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Luo, CA

Caidian Luo, Alta Loma, CA US

Patent application numberDescriptionPublished
20080257218Light Weight Additive, Method of Making and Uses Thereof - Low density additives and methods of making said additives for composite materials are provided. The low density additives have at least a partial or complete water repellant property that reduces moisture migration, absorption, and retention within a composite material in which it is incorporated into. Active sites are engineered onto the surface of the low density additives to enhance bonding of the additives within a composite matrix. Reduced water movement and enhanced bonding lead to an increased strength and durability performance for a composite material comprising such additives. Composite materials incorporating one or more engineered low density additives as also provided, such composite materials having enhanced strength and durability. Such composite materials may be made from a Hatschek process. The composite materials may be further used as interior and exterior building products.10-23-2008
20090004468PRIMER FOR COMPOSITE BUILDING MATERIALS - An improved primer formulation for composite building materials, such as materials that are generally cementitious, gypsum, or of another inorganic building material, such as those containing cellulose, glass, steel or polymeric fibers. The improved formulation effectively blocks moisture from penetrating the composite building material and is better than alternate or conventional primers. The formulation also improves adhesion and prevents peel failure of a topcoat when applied to the composite building material. The improved formulation acts as a weather-guard and a hydrophobic treatment to all surfaces of the composite building material upon application.01-01-2009
20090005484PAINT - A paint composition and formulation for building materials, such as materials that are generally cementitious, gypsum, or of another inorganic building material, including those containing cellulose, glass, steel or polymeric fibers. The paint formulation provides improved weatherability, durability, light stability, freeze-thaw resistance and water resistivity.01-01-2009
20090005494MULTIFUNCTIONAL PRIMERS - Multifunctional primer formulations are disclosed for composite building materials, such as materials that are generally cementitious, gypsum, or of another inorganic building material, including those containing cellulose, glass, steel or polymeric fibers. The multifunctional primer formulations provide multifunctional action to the primer including an ability to function as a primer and sealer in only a single coating. Such formulations when applied to a suitable substrate provide excellent adhesion to the substrate and improve paint adhesion and performance when applied thereto. Superior properties over commercial products is particularly notable when the formulations herein are applied to substrates, such as fiber cement, that have been manipulated or sized by cutting (e.g., by saw or water jet), sanding, punching, and/or shearing.01-01-2009
20100251632Cementitious Articles, Formulations, Methods Of Making And Uses - Described herein is a monolithic cementitious article with one or more pre-formed shaped regions. The shaped regions are generally channels that extend through a portion of the article or span the full article. The article includes one or more openings at least one of its ends. The article has a low apparent density with a high strength as well as high performance characteristics. The article when manufactured is suitable for use as a building product, such as siding, panel, trim, fascia, roofing, crown moulding, decking, and fencing.10-07-2010
20100326327ENVIRONMENTALLY-FRIENDLY CEMENTITIOUS ARTICLES, FORMULATIONS, METHODS OF MAKING AND USES - Described herein is a cementitious article and a method of making using a water-based manufacturing system that incorporates a closed-loop or partially closed loop water recycling system and an alkali removal process. The system, as such is environmentally friendly, saves resources, such as water and other raw materials, and reduces waste disposal. The system further provides for a cementitious article having a low alkali content. Articles prepared by one or more processes described herein have characteristics that include a low apparent density, high strength and high freeze-thaw performance as compared with an article of the same general formulation but made from a comparative manufacturing system that does not include an alkali removal process. Articles described herein are suitable for use as building products, such as siding, the underlayment panel, board, trim, fascia, roofing, decking, and fence.12-30-2010
20110248421Fiber cement composite materials using bleached cellulose fibers - A fiber cement composite material that incorporates a blend of bleached and unbleached cellulose fibers as a partial or complete substitute for premium grade cellulose pulp is provided. Bleached standard grade cellulose fibers are used in conjunction with unbleached, standard grade cellulose fibers to provide a fiber cement composite product having substantially equal or even superior flexibility and strength as an equivalent fiber cement composite material reinforced by premium grade, unbleached cellulose fibers. A synergistic combination of bleached and unbleached standard grade cellulose fibers to produce a composite material with the desired properties previously achievable only through the use of premium grade cellulose pulp.10-13-2011
20120205060METHOD AND APPARATUS FOR REDUCING IMPURITIES IN CELLULOSE FIBERS FOR MANUFACTURE OF FIBER REINFORCED CEMENT COMPOSITE MATERIALS - A method of manufacturing high purity fiber cement grades of cellulose fibers is described. Additional washing steps, coupled with an elevated temperature, are used in the process to extensively wash the pulps and remove substantially all COD components remaining in the pulps. The pulps are counter-currently washed by diffusion and dewatering at elevated temperatures following the brown stock washer systems. During the additional washing steps, the pulps are soaked in counter-current heated water for a pre-determined time and some chemicals may be introduced to chemically break down the COD components in the pulps and to make them more soluble in the aqueous solution. The additional washing steps can be performed using existing equipment at conventional pulp mills.08-16-2012
20130183505ENGINEERED COMPOSITE BUILDING MATERIALS AND METHODS OF MAKING SAME - An engineered composite building material, such as fiber cement, having one or more engineered sub-surface regions designed to provide the building material with improved moisture ingress resistance, paint adhesion, and other mechanical properties is provided. The sub-surface region has a cement-polymer matrix formed by introducing an impregnating agent into the pores of the substrate. The composite building material may be formed by applying impregnating agents to the subsurface regions of the substrate to form chemical and/or mechanical bonds with the matrix of the building material, the reinforcement fibers, and/or the surface coatings applied to the material. The thickness of the sub-surface regions may be controlled by varying the viscosity and porosity of the building material substrate. The cement-polymer building material has enhanced durability, weather resistance, strength, and stiffness.07-18-2013
20140349106MULTI-FUNCTIONAL COATING SYSTEM FOR CEMENTITIOUS COMPOSITE MATERIALS - Improved coating formulations for cementitious composite building materials are disclosed herein. The coating formulations provide both sealer and primer functions, particularly for substrates in a high alkaline environment, such as fiber cement composite materials. The coating formulations can be applied in a cost-effective single step; exhibit improved adhesion, blocking resistance, water resistance characteristics11-27-2014

Patent applications by Caidian Luo, Alta Loma, CA US

Caidian Luo, Fontana, CA US

Patent application numberDescriptionPublished
20110303123Method for Modifying Pore Size Distribution Zones in Fiber Cement Composites and Articles of Manufacture of the Same - A cementitious product and method of modifying the properties of a low or medium density FRC product by providing a predetermined pore size distribution. The pore size distribution is obtained such that in critical zones of the distribution, the pore volume is substantially equivalent to or less than the pore volume in a respective critical zone of a conventional high density FRC product. The resultant material provides improved properties over conventional medium density FRC products, in particular improved freeze/thaw durability and/or improved workability.12-15-2011
201401914363-MODE BLENDED FIBERS IN AN ENGINEERED CEMENTITIOUS COMPOSITE - Disclosed herein are fiber reinforced cement composite materials incorporating a 3-mode fiber blend that includes cellulose pulp and synthetic fibers in a ratio selected to provide the composite material with improved water absorption characteristics and the same or improved mechanical properties as compared to equivalent composite materials reinforced with predominantly or all cellulose fibers. Also disclosed herein are fiber blends comprised of a combination of cellulose fibers and polypropylene fibers adapted to reinforce cementitious composite articles manufactured by the Hatschek process and autoclave cured.07-10-2014

Chenjie Luo, Santa Clara, CA US

Patent application numberDescriptionPublished
20150052372COMPUTING SYSTEM WITH RESOURCE MANAGEMENT MECHANISM AND METHOD OF OPERATION THEREOF - A computing system includes: a storage interface configured to access an application code including a target code; a control unit, coupled to the storage interface, configured to: identify a consumption model corresponding to the target code, calculate a consumption estimate for the target code based on the consumption model, and generate a code-power analysis output based on the consumption estimate.02-19-2015

Congnan Luo, San Diego, CA US

Patent application numberDescriptionPublished
20110161280SYSTEM, METHOD, AND COMPUTER-READABLE MEDIUM THAT FACILITATE IN-DATABASE ANALYTICS WITH SUPERVISED DATA DISCRETIZATION - A system, method, and computer-readable medium that facilitate in-database supervised discretization mechanisms which improve data classification are provided. The disclosed mechanisms provide an efficient, automatic, and repeatable way to perform data discretization without human intervention. Efficient processing of large and complex unknown data is provided that advantageously does not require the data being analyzed to be processed outside the database. The disclosed mechanisms may use an External Stored Procedure to avoid multiple joins of large tables and minimize the number of full table scans and, consequently, provide better performance than contemporary mechanisms. The disclosed system produces intermediate results in tables which may be conveyed to a visualization subsystem thereby providing users a better understanding of the data distribution in each category. Further, the disclosed system and method introduce a novel similarity-based solution to merge intervals when chi-square testing is not reliable and thereby improves the quality of the interval merge process.06-30-2011
20110320417DATABASE COMPRESSION - Apparatus, systems, and methods may operate to receive a set of ordered user-selected compression rules as a compression rule set comprising at least one compression threshold condition, to create or transform a database object with rows to be selectively compressed according to the compression rules in the compression rule set (providing a transformed object), and to publish at least a portion of the transformed object to one of a storage medium or a display screen. Other apparatus, systems, and methods are disclosed.12-29-2011
20110320418DATABASE COMPRESSION ANALYZER - Apparatus, systems, and methods may operate to receive requests to execute a plurality of compression and/or decompression mechanisms on one or more database objects; to execute each of the compression and/or decompression mechanisms, on a sampled basis, on the database objects; to determine comparative performance characteristics associated with each of the compression and/or decompression mechanisms; and to record at least some of the performance characteristics and/or derivative characteristics derived from the performance characteristics in a performance summary table. The table may be published to a storage medium or a display screen. Other apparatus, systems, and methods are disclosed.12-29-2011
20120130963USER DEFINED FUNCTION DATABASE PROCESSING - Apparatus, systems, and methods may operate to retrieve multiple rows of a database in response to receiving a request to execute an aggregate user defined function (UDF) over the multiple rows, to sort each of the multiple rows into common groups, grouping together individual ones of the multiple rows that share one of the common groups, and to send UDF execution requests to apply the aggregate UDF to aggregate buffers of the common groups to produce an aggregate result, so that one of the UDF execution requests and one context switch are used to process each of the aggregate buffers used within one of the groups to provide at least one intermediate result that can be processed to form the aggregate result. Other apparatus, systems, and methods are disclosed.05-24-2012
20120158722DATABASE PARTITION MANAGEMENT - Apparatus, systems, and methods may operate to receive a request to move at least a portion of a database table stored on a tangible medium from a current partition to a history partition, wherein the database table is partitioned into physical partitions according to a selected mapping update frequency. In response to receiving the request, activities may include modifying a logical partitioning of the database table by updating a mapping of the physical partitions to logical partitions. Other apparatus, systems, and methods are disclosed.06-21-2012
20130144815MAKING PREDICTIONS REGARDING EVALUATION OF FUNCTIONS FOR A DATABASE ENVIRONMENT - A prediction regarding one or more functions can be made for a database environment. In particular, a predication can be made with respect to values stored in at least one column of at least one table in a database, based on the evaluation of one or more functions for a subset of possible column values (i.e., resultant values derived from the evaluation of a subset of possible column values) without the need to calculate the function(s) for all of the actual entries in the column of the table(s). In effect, a functional predicate can be transformed (or translated) to a predicate that is dependent on the column values instead of the evaluation of one or more functions for the column values.06-06-2013
20140032614DATABASE PARTITION MANAGEMENT - Apparatus, systems, and methods may operate to receive a request to move at least a portion of a database table stored on a tangible medium from a current partition to a history partition, wherein the database table is partitioned into physical partitions according to a selected mapping update frequency. In response to receiving the request, activities may include modifying a logical partitioning of the database table by updating a mapping of the physical partitions to logical partitions. Other apparatus, systems, and methods are disclosed.01-30-2014
20150149508SUMMARIZING STATISTICAL DATA FOR DATABASE SYSTEMS AND/OR ENVIRONMENTS - Database values and their associated indicators can be arranged in multiple “buckets.” Adjacent buckets can be combined into a single bucket successively based one or more criteria associated with the indicators to effectively reduce the number of buckets until a desired number is reached.05-28-2015

Patent applications by Congnan Luo, San Diego, CA US

Dongping Luo, Fremont, CA US

Patent application numberDescriptionPublished
20110314179SESSION-BASED SEQUENCE CHECKING - A device may include logic configured to receive a data unit intended for a destination device and to obtain information from the data unit. The logic may be configured to identify a window using the obtained information, where the window has a range determined by a lower boundary and an upper boundary. The logic may be configured to forward the data unit to the destination device when a portion of the data unit information is within the window.12-22-2011

Erming Luo, Cupertino, CA US

Patent application numberDescriptionPublished
20090305168Techniques for Marking Product Housings - Techniques or processes for providing markings on products are disclosed. The markings provided on products can be textual and/or graphic. The techniques or processes can provide high resolution markings on surfaces that are flat or curved. In one embodiment, the products have housings and the markings are to be provided on the housings. For example, the housing for a particular product can include an outer housing surface and the markings can be provided on the outer housing surface.12-10-2009
20130129986TECHNIQUES FOR MARKING PRODUCT HOUSINGS - Techniques or processes for providing markings on products are disclosed. The markings provided on products can be textual and/or graphic. The techniques or processes can provide high resolution markings on surfaces that are flat or curved. In one embodiment, the products have housings and the markings are to be provided on the housings. For example, the housing for a particular product can include an outer housing surface and the markings can be provided on the outer housing surface.05-23-2013

Guanpingsheng Luo, Torrance, CA US

Patent application numberDescriptionPublished
20120237534HYR1 AS A TARGET FOR ACTIVE AND PASSIVE IMMUNIZATION AGAINST CANDIDA - The invention features HYR1 as a vaccine target and as a prophylactic strategy for combating disseminated candidiasis.09-20-2012
20120301474COMPOSITIONS AND METHODS FOR IMMUNIZATION AGAINST DRUG RESISTANT ACINETOBACTER BAUMANNII - The present invention provides vaccine compositions comprising OmpA, or antigenic fragments thereof, and related methods of active immunization against 11-29-2012
20140335092COMPOSITIONS AND METHODS FOR IMMUNIZATION AGAINST DRUG RESISTANT ACINETOBACTER BAUMANNII - The present invention provides vaccine compositions comprising OmpA, or antigenic fragments thereof, and related methods of active immunization against 11-13-2014
20140335114HYR1 AS A TARGET FOR ACTIVE AND PASSIVE IMMUNIZATION AGAINST CANDIDA - The invention features HYR1 as a vaccine target and as a prophylactic strategy for combating disseminated candidiasis.11-13-2014

Guiluan Luo, Dublin, CA US

Patent application numberDescriptionPublished
20120079409WORKFLOW MANAGEMENT AT A DOCUMENT PROCESSING DEVICE - Approaches are provided for workflow creation and management at a scanning device. In one approach, a user initiates a plurality of operations to be performed on, or relative to, scanned document data. A workflow that represents the sequence of operations is created. The workflow may be created with or without user input. The workflow is later provided as an option to a user. Upon selection of the option, the sequence of operations is performed without requiring the user to select each operation separately. In a related approach, a user is also allowed to create a workflow by selecting graphical representations of operations and causing the graphical representations to be arranged in a particular order to create a workflow that may be later selected.03-29-2012
20120218589DOCUMENT PROCESSING JOB CONTROL VIA A MOBILE DEVICE - Techniques are provided for allowing a user to create a document processing job (e.g., a print job, a scan job, a copy job, fax job) at a mobile device instead of at a document processing device, such as a printer, scanner, or copier. A cloud service interacts with the mobile device to retrieve job settings data from the mobile device. The cloud service generates a job identifier, associates the job identifier with job settings associated with the job settings data, and sends the job identifier to the mobile device, which displays the job identifier to the user. The user later enters the job identifier at the document processing device, which, in turn, uses the job identifier to request the job settings from the cloud service. The cloud service identifies the job settings based on the job identifier and sends the job settings to the document processing device.08-30-2012
20130159137APPROACH FOR ARBITRATING SUBSCRIPTION CONFLICTS IN PACKAGE-BASED SUBSCRIPTIONS - An approach is provided for creating and managing pricing models and subscriptions for packages. As used herein, the term “package” refers to a logical entity that has one or more member applications, where each of the member applications provides one or more services. One or more pricing models may be assigned to a package and made available to subscribers and the pricing models assigned to a package may be changed. Users may subscribe to one or more packages and incur charges based upon the pricing models assigned to the packages to which the users subscribe. Embodiments include providing a graphical user interface for service providers to create and manage packages, define pricing models and to manage pricing model assignments for packages. Embodiments also include providing a graphical user interface for subscribers to view available applications and packages in a “marketplace” and to subscribe to packages and manage their subscriptions.06-20-2013
20130159147APPROACH FOR MANAGING PACKAGE-BASED SUBSCRIPTIONS FOR SUBSCRIBERS - An approach is provided for creating and managing pricing models and subscriptions for packages. As used herein, the term “package” refers to a logical entity that has one or more member applications, where each of the member applications provides one or more services. One or more pricing models may be assigned to a package and made available to subscribers and the pricing models assigned to a package may be changed. Users may subscribe to one or more packages and incur charges based upon the pricing models assigned to the packages to which the users subscribe. Embodiments include providing a graphical user interface for service providers to create and manage packages, define pricing models and to manage pricing model assignments for packages. Embodiments also include providing a graphical user interface for subscribers to view available applications and packages in a “marketplace” and to subscribe to packages and manage their subscriptions.06-20-2013
20130159867APPROACH FOR MANAGING PACKAGE-BASED SUBSCRIPTIONS FOR SERVICE PROVIDERS - An approach is provided for creating and managing pricing models and subscriptions for packages. As used herein, the term “package” refers to a logical entity that has one or more member applications, where each of the member applications provides one or more services. One or more pricing models may be assigned to a package and made available to subscribers and the pricing models assigned to a package may be changed. Users may subscribe to one or more packages and incur charges based upon the pricing models assigned to the packages to which the users subscribe. Embodiments include providing a graphical user interface for service providers to create and manage packages, define pricing models and to manage pricing model assignments for packages. Embodiments also include providing a graphical user interface for subscribers to view available applications and packages in a “marketplace” and to subscribe to packages and manage their subscriptions.06-20-2013
20130159992APPROACH FOR IMPLEMENTING PACKAGE-BASED SUBSCRIPTIONS - An approach is provided for creating and managing pricing models and subscriptions for packages. As used herein, the term “package” refers to a logical entity that has one or more member applications, where each of the member applications provides one or more services. One or more pricing models may be assigned to a package and made available to subscribers and the pricing models assigned to a package may be changed. Users may subscribe to one or more packages and incur charges based upon the pricing models assigned to the packages to which the users subscribe. Embodiments include providing a graphical user interface for service providers to create and manage packages, define pricing models and to manage pricing model assignments for packages. Embodiments also include providing a graphical user interface for subscribers to view available applications and packages in a “marketplace” and to subscribe to packages and manage their subscriptions.06-20-2013
20140244720Electronic Information Collaboration System - An approach for electronic information collaboration allows the use of a mobile device to cause electronic information to be displayed on one or more projector display devices via a virtual projector. The use of a virtual projector allows electronic information to be displayed on multiple projector display devices and/or client devices. The approach may also include the use of collaboration clients and a collaboration server to provide additional functionality with respect to the electronic information including, for example, the ability for changes made to electronic information at one location to be propagated to another location. The approach also allows a mobile device to be used to establish a videoconferencing session between two or more videoconferencing sites. As used herein, the term “videoconferencing site” refers to a location that has computer hardware, computer software and other equipment that makes videoconferencing available to one or more users at a the location.08-28-2014
20140245173Electronic Information Collaboration System - An approach for electronic information collaboration allows the use of a mobile device to cause electronic information to be displayed on one or more projector display devices via a virtual projector. The use of a virtual projector allows electronic information to be displayed on multiple projector display devices and/or client devices. The approach may also include the use of collaboration clients and a collaboration server to provide additional functionality with respect to the electronic information including, for example, the ability for changes made to electronic information at one location to be propagated to another location. The approach also allows a mobile device to be used to establish a videoconferencing session between two or more videoconferencing sites. As used herein, the term “videoconferencing site” refers to a location that has computer hardware, computer software and other equipment that makes videoconferencing available to one or more users at a the location.08-28-2014
20140245185Electronic Information Collaboration System - An approach for electronic information collaboration allows the use of a mobile device to cause electronic information to be displayed on one or more projector display devices via a virtual projector. The use of a virtual projector allows electronic information to be displayed on multiple projector display devices and/or client devices. The approach may also include the use of collaboration clients and a collaboration server to provide additional functionality with respect to the electronic information including, for example, the ability for changes made to electronic information at one location to be propagated to another location. The approach also allows a mobile device to be used to establish a videoconferencing session between two or more videoconferencing sites. As used herein, the term “videoconferencing site” refers to a location that has computer hardware, computer software and other equipment that makes videoconferencing available to one or more users at a the location.08-28-2014

Patent applications by Guiluan Luo, Dublin, CA US

Guiluan Luo, Pleasanton, CA US

Patent application numberDescriptionPublished
20110093366METHODS AND APPARATUS FOR MANAGEMENT OF SOFTWARE APPLICATIONS - Methods and apparatus for flexible management of applications provided by one or more application service providers and accessible to one or more client devices such as multi-function devices (e.g., MFPs). A management system registers new applications by recording in a database application information provided by the application service provider. Client devices may then request a menu of all available applications and may subscribe to one or more provided applications by interaction with the management system by transmitting subscription information to the management system. The management system then receives usage information from the service provider for usage of a subscribed application by the client device. The management system records the usage information and may produce reports upon request from the recorded usage information. The application information may include pricing model information such that the management system may provide accounting reports for accumulated usage and related charges therefore.04-21-2011
20110235088INTELLIGENT PRINT OPTIONS FOR SEARCH ENGINE RESULTS - Systems and methods presented herein provide for intelligent print options to a user selecting web content of search results provided by a search engine. For example, the user may choose to perform a search through a search engine by entering search criteria within a webpage of the search engine. The search engine may return the search results to the user's web browser via the search engine's webpage. Along with these results, print options may be provided to the user on the webpage. By selecting to automatically print one or more of the search results, the content of the selected result(s) may be converted to a printable format such that page numbers may be counted and returned to the user. Based on the number of pages, the user may make a more informed decision as to whether the user should print the content.09-29-2011
20110313896METHODS AND APPARATUS FOR MONITORING SOFTWARE AS A SERVICE APPLICATIONS - Methods and apparatus are provided for monitoring usage of a Software As A Service (SAAS) application for post-processing of scanned data generated by a client device (e.g., MFPs). A management system receives a pricing model for an SAAS application, where the pricing model includes a post-post processing feature of the SAAS application available to a user of the client device. The pricing model also includes information identifying a price for use of the post-processing feature. Information is received by the management system regarding use of the post-processing feature by the user, and a revenue report is generated regarding the post-processing feature.12-22-2011
20110313950METHODS AND APPARATUS FOR MANAGEMENT OF SOFTWARE APPLICATIONS UTILIZING VOLUME PRICING - Methods and apparatus for flexible management of applications and volume pricing models provided by one or more application service providers and accessible to one or more client devices such as multi-function devices (e.g., MFPs). A management system registers new applications by recording in a database application information and a volume pricing model provided by the application service provider. Client devices may then request a menu of all available applications and may subscribe to one or more provided applications by interaction with the management system. The management system receives usage information from the service provider for usage of a subscribed application by the client device. The management system records the usage information and may produce reports upon request from the recorded usage information. Reports for accumulated usage and related charges may then be generated based on the usage information and the volume pricing model.12-22-2011
20110314042METHODS AND APPARATUS FOR PRESENTATION OF SOFTWARE AS A SERVICE APPLICATIONS - Methods and apparatus are disclosed for flexible presentation of Software As A Service (SAAS) applications to one or more client devices such as multi-function devices (e.g., MFPs). A management system receives presentation layout information for subscribed SAAS applications from users and administrators, generates a menu of subscribed SAAS applications for presentation to a user on a display of the client device, and transmits the menu to a client device for presentation to the user on a display of the client device. The management system may also provide for user/administrator customization of the menu of applications available to users, and for revocation of applications by an administrator of the management system.12-22-2011
20140040757METHODS AND APPARATUS FOR PRESENTATION OF SOFTWARE AS A SERVICE APPLICATIONS - Methods and apparatus are disclosed for flexible presentation of Software As A Service (SAAS) applications to one or more client devices such as multi-function devices (e.g., MFPs). A management system receives presentation layout information for subscribed SAAS applications from users and administrators, generates a menu of subscribed SAAS applications for presentation to a user on a display of the client device, and transmits the menu to a client device for presentation to the user on a display of the client device. The management system may also provide for user/administrator customization of the menu of applications available to users, and for revocation of applications by an administrator of the management system.02-06-2014

Guiluan Luo, Dubln, CA US

Patent application numberDescriptionPublished
20130031145FORM PROCESSING CLOUD SERVICE WITH TEMPLATE REPOSITORY - Techniques for allowing multiple organizations to register form templates at a central repository are provided. The form templates are then available for other organizations that require filled-out forms to be processed. Each organization registers a different form template with a cloud service. Later, other organizations upload, to the cloud service, scanned versions of filled-out forms. For each uploaded scan data, the cloud service determines which form template best matches the format of the uploaded scan data. The cloud service extracts certain values from the scan data based on the matching form template. The cloud service stores the extracted values in association with the organization that sent the scan data. The cloud service allows other devices to retrieve the extracted values.01-31-2013

Haiyun Luo, Milpitas, CA US

Patent application numberDescriptionPublished
20110158153SYSTEM AND METHOD FOR TERMINAL RELAY AND RELAY TERMINAL - The present invention discloses a system and a method for terminal relay and a relay terminal to improve the security and authenticity of the terminal relay. The system for the terminal relay includes a first terminal, a second terminal and a base station, where the first terminal is adapted to process information according to a packet data convergence protocol and transmit the information to the second terminal; the second terminal is adapted to receive the information from the first terminal and forward the information to the base station; and the base station is adapted to receive the information from the second terminal and parse the information according to the packet data convergence protocol.06-30-2011

Hao Luo, Milpitas, CA US

Patent application numberDescriptionPublished
20120074433ELECTRONIC APPARATUS - An electronic apparatus is provided that includes a number of first components on a first substrate and a number of second components on a second substrate. A lamination material that includes a conducting material is placed between the first components and the second components. Any one first component can couple to a varied subset of second components.03-29-2012
20120297873MEMS DEVICES SENSING BOTH ROTATION AND ACCELERATION - A MEMS device comprises a proof mass suspended above a substrate, one or more driving combs, and one or more sensing combs. During operation, a DC actuating potential in series with an AC modulation potential is applied to the proof mass, and an AC actuating potential is applied to the one or more driving combs such that the proof mass moves in an oscillatory manner. An inertial sensing system further comprises a sensing element configured to detect a rotation information coupled with an AC signal and an acceleration information coupled with a DC signal.11-29-2012

Huitao Luo, Fremont, CA US

Patent application numberDescriptionPublished
20120179543Targeted advertisement - The present invention provides a method and a system for providing targeted advertisements to a user. The method includes determining a set of signals corresponding to at least one online activity associated with the user and then analyzing the set of signals to identify one or more user interests. The set of signals includes at least one of a share signal, a view signal, a search signal, and a click signal. Further, the method includes tagging the user with at least one ad exchange cookie based on the identified user interests and an available advertisement pool. Lastly, the method includes displaying, by an advertisement network, an advertisement to the user based on the ad exchange cookie.07-12-2012

Huitao Luo, Sunnyvale, CA US

Patent application numberDescriptionPublished
20110019912Detecting And Correcting Peteye - Peteye is the appearance of an unnatural coloration (not necessarily red) of the pupils in an animal appearing in an image captured by a camera with flash illumination. Systems and methods of detecting and correcting peteye are described. In one aspect a classification map segmenting pixels in the input image into peteye pixels and non-peteye pixels is generated based on a respective segmentation condition on values of the pixels. Candidate peteye pixel areas are identified in the classification map. The generating and the identifying processes are repeated with the respective condition replaced by a different respective segmentation condition on the pixel values.01-27-2011

Patent applications by Huitao Luo, Sunnyvale, CA US

Huping Luo, El Cerrito, CA US

Patent application numberDescriptionPublished
20120074042PROCESS FOR REDUCING THE TOTAL ACID NUMBER OF A HYDROCARBON FEED - Disclosed are embodiments relating to a process for reducing the total acid number of a hydrocarbon feed by contacting the feed with a metal titanate catalyst having an MTiO03-29-2012
20120287749INDUSTRIAL PROCESS MONITORING AND IMAGING - Exemplary embodiments include an apparatus for imaging a volume of material contained inside a vessel. The apparatus includes a plurality of synchronized acoustic sensors positioned at a periphery of an inner volume of the vessel. A processor combines the outputs of the acoustic sensors to identify at least one ambient noise source of the industrial process generating a noise field that illuminates an internal volume of the vessel and to provide an image of the material by temporal and spatial coherent processing of the transmission and reflection of the noise field generated by the noise source.11-15-2012

Huping Luo, San Ramon, CA US

Patent application numberDescriptionPublished
20110297618Filtering Process and System to Remove AlCl3 Particulates from Ionic Liquid - A process for the filtration of an ionic liquid involves feeding an ionic liquid containing precipitated metal halides to a first filtering zone, which includes at least one first filter, to provide a partially filtered product. The process further includes subsequently feeding the partially filtered product to a second filtering zone, which includes at least one second filter having a smaller pore size than the at least one first filter, to provide a filtered product. A filter system capable of filtering precipitated metal halides from ionic liquid is also disclosed.12-08-2011
20130274533PROCESS TO REMOVE DISSOLVED AlCl3 FROM IONIC LIQUID - Disclosed herein are processes in which precipitation permits removal of metal halides (e.g. AlCl10-17-2013
20140024874PROCESS TO REMOVE DISSOLVED AlCl3 FROM IONIC LIQUID - Disclosed herein are processes in which precipitation permits removal of metal halides (e.g. AlCl01-23-2014

Patent applications by Huping Luo, San Ramon, CA US

Jia Luo, Fremont, CA US

Patent application numberDescriptionPublished
20120081094REFERENCE VOLTAGE BASED EQUIVALENT SERIES RESISTANCE (ESR) EMULATION FOR CONSTANT ON-TIME (COT) CONTROL OF BUCK REGULATORS - The present invention uses a reference voltage that varies within a Pulse Width Modulation (PWM) cycle to generate the PWM signal. This allows for stability in the feedback of Constant On-Time (COT) control for buck controllers when low Equivalent Series Resistance (ESR) capacitors are used as the output capacitor. The reference voltage is adjusted using features of a PWM cycle in a voltage mode without using external inductor current information.04-05-2012

Jiafu Luo, Irvine, CA US

Patent application numberDescriptionPublished
20090135245CAMERA SYSTEM WITH MULTIPLE PIXEL ARRAYS ON A CHIP - A camera system uses one or more image sensor IC chips each having multiple pixel arrays on the same semiconductor substrate (i.e., “multiple pixel arrays on a chip”). In one embodiment, such a camera system includes: (a) optical components that create multiple images in close physical proximity of each other (e.g., within a few millimeters or centimeters); and (b) a single sensor substrate (“chip”) containing multiple 2-dimensional pixel arrays that are aligned to capture these multiple images, so as to convert the multiple images into electrical signal. The pixel arrays can be manufactured using a CCD or a CMOS compatible process. For manufacturing reasons, such a chip is typically two centimeters or less on a side. However, large chips can also be made. Optional electronic components for further signal processing of the captured images may be formed either on the sensor chip (i.e., in a “system-on-a-chip” implementation), or in a separate back-end application specific integrated circuit (ASIC). In addition, digital storage components, display elements, and wired or wireless communication links may also be included in any suitable combination to allow review and further processing of the captured images.05-28-2009
20110122241SYSTEM AND METHOD FOR IMAGE ENHANCEMENT OF DARK AREAS OF CAPSULE IMAGES - Systems and methods are provided for identifying dark areas in images captured by encapsulated cameras or endoscopes and enhancing the visibility of the dark area using intensity stretch. For capsule or endoscope images, there are often some dark areas caused by inadequate lighting. The poor visibility of detailed features in the dark area may reduce the detection rate of anomaly. The present invention calls for a method to detect the dark area based on contour. The intensities inside and outside the dark area are evaluated and are used to generate intensity transformation to stretch intensity in the dark area while minimizing the impact on the image quality outside the dark area.05-26-2011
20110319749System and Method for Determining Medical Capsule Location inside a Human Body - Systems and methods are provided for capsule location determination. There is a need to estimate the capsule location in a living body for drug dispensing, correlating capsule images with actual tract location and other purposes. A capsule location determining system is disclosed which comprises a plurality of sensing devices and a base station. Each sensing device comprises a radiating element to radiate an inducing signal, a generating circuit to provide a patterned signal to drive the radiating element, a sensing element to sense the induced field and a receiving circuit to provide a recovered signal. The base station estimates the capsule location based on a time profile of collected information related to the recovered signals from all sensing devices. Methods associated with the capsule location determining systems are also disclosed.12-29-2011
20130020470CAMERA SYSTEM WITH MULTIPLE PIXEL ARRAYS ON A CHIP - An integrated circuit for capturing panoramic image is disclosed. The integrated circuit comprises a plurality of pixel arrays fabricated on a common substrate, wherein each pixel array being positioned to capture an image to be projected thereon, and wherein the orientation of each pixel array is rotated to match with the orientation of the image projected thereon. The integrated circuit also includes readout circuits coupled to the pixel arrays for reading electrical signals corresponding to the images captured from the pixel arrays. In one embodiment, the plurality of pixel arrays corresponds to four pixel arrays and the orientation of said each pixel array is substantially 90° apart from a neighboring pixel array. The integrated circuit further comprises a timing and control circuit, wherein the timing and control circuit is for controlling said one or more readout circuits and the plurality of pixel arrays.01-24-2013
20140323804Inductive Powering Apparatus for Capsule Device - A capsule device with an inductive powering apparatus is disclosed. The capsule device comprises a secondary coil to generate an induced secondary voltage when a first alternating magnetic field is coupled to the secondary coil externally. Embodiments of the present invention utilize a power conversion device to convert the induced secondary voltage into a DC output voltage for the capsule device. In particular, the power conversion device comprises a voltage booster to generate the DC voltage from a lower induced secondary voltage. Accordingly, the system can be operated using a lower secondary voltage, which will reduce the influence of magnetic flux on the circuit boards inside the capsule.10-30-2014
20140364688Capsule Orientation Detection for Capsule Docking System with Inductive Power Drive Circuit - A capsule endoscopic system is disclosed for receiving data from a capsule device and providing inductive power to the capsule device wirelessly, where the capsule endoscopic system incorporates a feature to automatically protect the capsule device and the docking device from damage if the capsule device is docked in a backward orientation. In one embodiment, the docking device comprises a current sense circuit to detect the current flowing through the primary coil or primary drive circuit. The occurrence of wrong orientation can be detected from the current. A detection/control circuit can be used to provide the needed control in order to prevent damage to the system. In another embodiment, a resonant circuit comprising a capacitor and the primary coil is used to provide the needed protection when the capsule device is docked with a wrong orientation.12-11-2014
20150054992SYSTEM AND METHOD FOR CAPTURING IMAGES WITH MULTIPLE IMAGE SENSING ELEMENTS - Methods, devices, and computer program products for CMOS visible image sensors incorporating multiple image sensing elements with different integration times to extend dynamic range are disclosed herein. In one aspect, a method of taking an image using a CMOS visible image sensor that includes at least one first light sensing element with a first well capacity and at least one second light sensing element with a second well capacity, where the second well capacity is greater than the first well capacity is disclosed. The method includes determining a first integration time for each of the at least one first light sensing elements. The method further includes determining a second integration time for each of the at least one second light sensing elements, where the second integration time is different than the first integration time.02-26-2015
20150141752Optical Wireless Docking System for Capsule Camera - A capsule endoscopic system with wireless docking device is disclosed, where the system comprises a capsule device and a docking device for receiving the data from the capsule device. The docking device supplies power to the capsule device and retrieves data from the capsule device wirelessly. The capsule device comprises an archival memory to store data captured inside a body lumen by the capsule device, a wireless transmitter to transmit the stored data, a secondary coil. The docking device comprises a primary coil to generate an alternating magnetic field, wherein the magnetic field is coupled to the secondary coil to supply power to the capsule device wirelessly when the capsule device is docked in the docking device and a wireless receiver to receive the data from the capsule device. The wireless link can be a radio frequency (RF) link or an optical link.05-21-2015
20150156434Image Sensor with Integrated Power Conservation Control - An integrated image sensor circuit with multiple power modes is disclosed. The integrated circuit comprises a pixel array, an analog block to process analog signal associated with the pixel array, where the analog block comprises an analog to digital convertor (ADC), and a first control circuit to enable/disable the analog block or to configure the analog block to a high/low-power mode depending on whether the pixel array is in a readout frame or in a reset frame with no active readout. The integrated image sensor circuit may further comprise a post-processing block and a second control circuit to enable/disable the post-processing block or to configure the post-processing block to the high-power mode or the low-power mode depending on whether the pixel array is in the readout frame or in the reset frame with no active readout.06-04-2015

Patent applications by Jiafu Luo, Irvine, CA US

Jianding Luo, San Jose, CA US

Patent application numberDescriptionPublished
20130290642Managing nodes in a storage system - Each node in a clustered array is the owner of a set of zero logical disks (LDs). Thinly-provisioned VVs (TPVVs) are partitioned so each is mapped to a group of zero LDs from different sets of zero LDs. When there is a change in ownership, the affected zero LDs are switched one at a time so only a group of the TPVVs is affected each time.10-31-2013

Jianfeng Luo, Foster City, CA US

Patent application numberDescriptionPublished
20120216157ROUTING ANALYSIS WITH DOUBLE PATTERN LITHOGRAPHY - Graph analysis for double pattern lithography is described. Layout shapes are decomposed into rectangles and a vertex is provided for each rectangle. Double pattern spacing conflicts are determined and shown as edges for the graph analysis. Odd cycles are used to identify double pattern lithography violations. Cycles can be completed with the addition of edges between vertices where stitches have been included in the layout. Edges between touching shapes do not count toward the odd count in the cycles. Fixes are included by increasing space or by rerouting. A portion of the layout can be incrementally changed and a local update of the graph analysis performed. Correct by construction layout is implemented by avoiding certain odd cycle prone layout routings.08-23-2012

Leeshawn Luo, Santa Clara, CA US

Patent application numberDescriptionPublished
20080211070Flip chip contact (FCC) power package - This invention discloses a power device package for containing, protecting and providing electrical contacts for a power transistor. The power device package includes a top and bottom lead frames for directly no-bump attaching to the power transistor. The power transistor is attached to the bottom lead frame as a flip-chip with a source contact and a gate contact directly no-bumping attaching to the bottom lead frame. The power transistor has a bottom drain contact attaching to the top lead frame. The top lead frame further includes an extension for providing a bottom drain electrode substantially on a same side with the bottom lead frame. In a preferred embodiment, the power device package further includes a joint layer between device metal of source, gate or drain and top or bottom lead frame, through applying ultrasonic energy. In another embodiment, a layer of conductive epoxy or adhesive, a solder paste, a carbon paste, or other types of attachment agents for direct no-bumping attaching the power transistor to one of the top and bottom lead frames.09-04-2008
20080233679Semiconductor package with plated connection - A semiconductor package and method for making a semiconductor package are disclosed. The semiconductor package has a top surface and a mounting surface and includes a die, a conducting connecting material, a plating material and an insulating material. The die has a processed surface facing towards the mounting surface of the semiconductor package. Exposed metal connections are at the processed surface of the die. The conducting connecting material is disposed on the exposed metal connections. The plating material is in contact with the conducting connecting material. The insulating material is formed around the conducting connecting material, and the plating material extends to the exterior of the insulating material.09-25-2008
20090233403DUAL FLAT NON-LEADED SEMICONDUCTOR PACKAGE - A DFN semiconductor package includes a leadframe having a die bonding pad formed integrally with a drain lead, a gate lead and a source lead, a die coupled to the die bonding pad, a die source bonding area coupled to the source lead and a die gate bonding area coupled to the gate lead, and an encapsulant at least partially covering the die, drain lead, gate lead and source lead.09-17-2009
20150102425FLIP CHIP CONTACT (FCC) POWER PACKAGE - A power device package for containing, protecting and providing electrical contacts for a power transistor includes a top and bottom lead frames for directly no-bump attaching to the power transistor. The power transistor is attached to the bottom lead frame as a flip-chip with a source contact and a gate contact directly no-bumping attaching to the bottom lead frame. The power transistor has a bottom drain contact attaching to the top lead frame. The top lead frame further includes an extension for providing a bottom drain electrode substantially on a same side with the bottom lead frame. In a preferred embodiment, the power device package further includes a joint layer between device metal of source, gate or drain and top or bottom lead frame, through applying ultrasonic energy.04-16-2015

Patent applications by Leeshawn Luo, Santa Clara, CA US

Lei Luo, San Jose, CA US

Patent application numberDescriptionPublished
20110223760 CONFORMALITY OF OXIDE LAYERS ALONG SIDEWALLS OF DEEP VIAS - A method for improving conformality of oxide layers along sidewalls of vias in semiconductor substrates includes forming a nitride layer over an upper surface of a semiconductor substrate and forming a via extending through the nitride layer and into the semiconductor substrate. The via may have a depth of at least about 50 μm from a top surface of the nitride layer and an opening of less than about 10 μm at the top surface of the nitride layer. The method also includes forming an oxide layer over the nitride layer and along sidewalls and bottom of the via. The oxide layer may be formed using a thermal chemical vapor deposition (CVD) process at a temperature of less than about 450° C., where a thickness of the oxide layer at the bottom of the via is at least about 50% of a thickness of the oxide layer at the top surface of the nitride layer.09-15-2011
20120015113METHODS FOR FORMING LOW STRESS DIELECTRIC FILMS - A method for forming a multi-layer silicon oxide film on a substrate includes performing a deposition cycle that comprises depositing a silicon oxide layer using a thermal chemical vapor deposition (CVD) process and depositing a silicon oxide layer using a plasma enhanced chemical vapor deposition (PECVD) process. The deposition cycle is repeated a specified number of times to form the multi-layer silicon oxide film comprising a plurality of silicon oxide layers formed using the thermal CVD process and a plurality of silicon oxide layers formed using the PECVD process. Each silicon oxide layer formed using the thermal CVD process is adjacent to at least one silicon oxide layer formed using the PECVD process.01-19-2012
20120058281METHODS FOR FORMING LOW MOISTURE DIELECTRIC FILMS - A method for forming a pre-metal dielectric (PMD) layer or an inter-metal dielectric (IMD) layer over a substrate includes placing the substrate in a chemical vapor deposition (CVD) process chamber and forming a first oxide layer over the substrate in the CVD process chamber. The first oxide layer is formed using a thermal CVD process at a temperature of about 450° C. or less and a sub-atmospheric pressure. The method also includes forming a second oxide layer over the first oxide layer in the CVD process chamber. The second oxide layer is formed using a plasma enhanced chemical vapor deposition (PECVD) process at a temperature of about 450° C. or less and a sub-atmospheric pressure. The substrate remains in the CVD process chamber during formation of the first oxide layer and the second oxide layer.03-08-2012
20130102149LINER PROPERTY IMPROVEMENT - Methods of forming a dielectric liner layer on a semiconductor substrate are described. The method may include flowing a phosphorus-containing precursor with a silicon-containing precursor and an oxygen-containing precursor over the substrate to deposit a dielectric material. The dielectric material may be deposited along a field region and within at least one via on the substrate having a depth of at least 1 μm. The method may also include forming a liner layer within the via with the dielectric material. The liner may include a silicon oxide doped with phosphorus, and the thickness of the liner layer at an upper portion of the via sidewall may be less than about 5 times the thickness of the liner layer at a lower portion of the via sidewall.04-25-2013

Patent applications by Lei Luo, San Jose, CA US

Liqun Luo, Palo Alto, CA US

Patent application numberDescriptionPublished
20110277050SYSTEM AND METHODS TO CONTROL TRANSGENE EXPRESSION - Embodiments of the present invention describe a novel and versatile inducible binary expression system (the ‘Q system’) and methods for controlling transgene expression in vitro and in vivo, for lineage tracing, for genetic mosaic analysis and for determining gene function.11-10-2011
20120124686Site-Directed Integration of Transgenes in Mammals - The present disclosure provides a method of making a mammal (e.g., a rodent, such as a mouse) by integrating an intact polynucleotide sequence into a specific genomic locus of the mammal to result in a transgenic mammal. A transgenic mammal made by the methods of the present disclosure would contain a known copy number (e.g., one) of the inserted polynucleotide sequence at a predetermined location. The method involves introducing a site-specific recombinase and a targeting construct, containing a first recombination site and the polynucleotide sequence of interest, into the mammalian cell. The genome of the cell contains a second recombination site and recombination between the first and second recombination sites is facilitated by the site-specific, uni-directional recombinase. The result of the recombination is site-specific integration of the polynucleotide sequence of interest in the genome of the mammal. This inserted sequence is then also transmitted to the progeny of the mammal.05-17-2012

Longbao Luo, Roseville, CA US

Patent application numberDescriptionPublished
20080270345System and method for using indexes to parse static XML documents - A method, executed on a computing device, and a corresponding system, allow software applications to easily access data contained in a static XML document by parsing the static XML document. For each node in the XML document, a Node Offset value is determined. The Node Offset value is then stored and serves as an index offset value, where the index offset value is used by the software applications to retrieve the data contained in the static XML document.10-30-2008

Lu Luo, Sunnyvale, CA US

Patent application numberDescriptionPublished
20130309972APPARATUS AND METHOD FOR DETECTING PROXIMATE DEVICES - An apparatus, method, and computer program product are described that provide for a user to share content with other users who are proximate to his or her device in a simple and intuitive manner. In some embodiments, a “wave” gesture is used to identify users of devices that nearby to the source user's device with whom the source user may communicate, such as to share content. Upon receiving a first orientation input, a scanning mode may be initiated during which one or more devices proximate the apparatus are determined. A second orientation input that is different from the first orientation input, and the scanning mode may be terminated in response. As a result, a communication with at least one selected device of the one or more devices determined to be proximate the apparatus may be facilitated.11-21-2013
20140337340METHODS AND SYSTEMS FOR ON-DEVICE SOCIAL GROUPING - Methods, systems, and computer readable media for social grouping are provided to perform social grouping of a user's contacts based on the user's interactions with the contacts. A set of attributes associated with interactions between a user and a set of contacts may be determined by a first device. The set of attributes associated with the interactions may be related to the first device. The set of contacts may be organized into a set of groups based on the set of attributes.11-13-2014

Mary Ziping Luo, Diamond Bar, CA US

Patent application numberDescriptionPublished
20150157649LONG TERM SUSTAINED RELEASE PHARMACEUTICAL COMPOSITION CONTAINING AQUEOUS SUSPENSION OF BISPHOSPHONATE - Pharmaceutical compositions for long-term sustained release of bisphosphonate drugs are provided. In one embodiment, the composition includes an aqueous suspension of a solid which includes a salt of a bisphosphonate drug and a salt of pentavalent phosphorus oxoacid. The compositions can be used to treat a variety of bone diseases, including osteoporosis.06-11-2015
20150157650LONG TERM SUSTAINED RELEASE PHARMACEUTICAL COMPOSITION CONTAINING AQUEOUS SUSPENSION OF BISPHOSPHONATE - Pharmaceutical compositions for long-term sustained release of bisphosphonate drugs are provided. In one embodiment, the composition includes an aqueous suspension of a solid which includes a salt of a bisphosphonate drug and a salt of pentavalent phosphorus oxoacid. The compositions can be used to treat a variety of bone diseases, including osteoporosis.06-11-2015

Michael Luo, San Jose, CA US

Patent application numberDescriptionPublished
20110194425REMOTE NETWORK DEVICE COMPONENT TESTING - A network device receives, from a remote user device, a requested test that includes test Internet protocol (IP) packets, and converts the test IP packets into hardware test commands. The network device also performs, based on the hardware test commands, the requested test on a component of a network device card to produce hardware test results. The network device further converts the hardware test results into test results in an IP packet format, and provides the tests results in the IP packet format to the remote user device.08-11-2011
20130238766LEARNING VALUES OF TRANSMISSION CONTROL PROTOCOL (TCP) OPTIONS - A system includes a storage device and a processor. The storage device is configured to store a first set of values of TCP options for a first group of servers. The processor is configured to: transmit first requests to the first group of servers; receive first replies, in response to the first requests, from the first group of servers; determine the first set of values of the TCP options for the first group based on values in the first replies; store the first set of values in the storage device; receive a first message from a client to establish a connection between the client and a server in the first group of servers, and transmit, in response to the first message, a second message to the client.09-12-2013

Min Luo, San Jose, CA US

Patent application numberDescriptionPublished
20150146521DYNAMIC RESOURCE POOLING AND TRADING MECHANISM IN NETWORK VIRTUALIZATION - A method for managing a pool of bandwidth resources available over a communication network as executed by a processor. The method includes receiving a plurality of wholesale bandwidth values requesting bandwidth from the pool of bandwidth resources from a plurality of computing resources associated with the plurality of customers, wherein the wholesale bandwidth values are guaranteed over a predetermined period, and wherein the pool has a maximum capacity. The method includes tracking bandwidth resource usage throughout the predetermined period. The method includes allocating a first portion of available bandwidth from the pool to a first customer based on a reselling rate ratio applicable to the plurality of customers at a particular point in time during the predetermined period. Available bandwidth is generated by purchasing unused bandwidth from the plurality of customers over the predetermined period.05-28-2015

Mingjiang Luo, Newport Beach, CA US

Patent application numberDescriptionPublished
20090123497CHROMATOGRAPHIC METHOD AND SYSTEM FOR PURIFYING A BOTULINUM TOXIN - Chromatographic processes and systems for purifying a botulinum toxin from an APF fermentation medium.05-14-2009
20090124790CHROMATOGRAPHIC METHOD AND SYSTEM FOR PURIFYING A BOTULINUM TOXIN - Chromatographic processes and systems for purifying a botulinum toxin from an APF fermentation medium.05-14-2009
20120149089ANIMAL PRODUCT FREE SYSTEM AND PROCESS FOR PURIFYING A BOTULINUM TOXIN - Chromatographic processes and systems for purifying a 06-14-2012

Patent applications by Mingjiang Luo, Newport Beach, CA US

Ning Luo, Cupertino, CA US

Patent application numberDescriptionPublished
20120173140INERTIAL SENSOR AIDED HEADING AND POSITIONING FOR GNSS VEHICLE NAVIGATION - An apparatus and method for providing an improved heading estimate of a mobile device in a vehicle is presented. First, the mobile device determines if it is mounted in a cradle attached to the vehicle; if so, inertia sensor data may be valid. While in a mounted stated, the mobile device determines whether it has been rotated in the cradle; if so, inertia sensor data may no longer be reliable and a recalibration to determine a new relative orientation between the vehicle and the mobile device is needed. If the mobile device is mounted and not recently rotated, heading data from multiple sensors (e.g., GPS, gyroscope, accelerometer) may be computed and combined to form the improved heading estimate. This improved heading estimate may be used to form an improved velocity estimate. The improved heading estimate may also be used to compute a bias to correct a gyroscope.07-05-2012
20120173195INERTIAL SENSOR AIDED HEADING AND POSITIONING FOR GNSS VEHICLE NAVIGATION - An apparatus and method for providing an improved heading estimate of a mobile device in a vehicle is presented. First, the mobile device determines if it is mounted in a cradle attached to the vehicle; if so, inertia sensor data may be valid. While in a mounted stated, the mobile device determines whether it has been rotated in the cradle; if so, inertia sensor data may no longer be reliable and a recalibration to determine a new relative orientation between the vehicle and the mobile device is needed. If the mobile device is mounted and not recently rotated, heading data from multiple sensors (e.g., GPS, gyroscope, accelerometer) may be computed and combined to form the improved heading estimate. This improved heading estimate may be used to form an improved velocity estimate. The improved heading estimate may also be used to compute a bias to correct a gyroscope.07-05-2012
20120178470METHOD AND APPARATUS FOR ESTIMATING SATELLITE POSITIONING RELIABILITY - A position fix of a mobile device is computed based, at least in part, on a plurality of data items. A metric that is indicative of a reliability of the position fix may be generated based, at least in part, on a number of independent ones of the data items and/or an indication of reliability of at least one of the data items. In at least one implementation, the plurality of data items may include SPS satellite signals and/or pseudoranges and an externally obtained position.07-12-2012

Peizhi Luo, Sunnyvale, CA US

Patent application numberDescriptionPublished
20110257044Structure-based construction of human antibody library - Methods and systems are provided for constructing recombinant antibody libraries based on three-dimensional structures of antibodies from various species including human. In one aspect, a library of antibodies with diverse sequences is efficiently constructed in silico to represent the structural repertoire of the vertebrate antibodies. Such a functionally representative library provides a structurally diverse and yet functionally more relevant source of antibody candidates which can then be screened for high affinity binding to a wide variety of target molecules, including but not limited to biomacromolecules such as protein, peptide, and nucleic acids, and small molecules.10-20-2011

Pengcheng Luo, Davis, CA US

Patent application numberDescriptionPublished
20120191460SYNCHRONIZED GESTURE AND SPEECH PRODUCTION FOR HUMANOID ROBOTS - A system or method for generating gestures in a robot during generation of a speech output by the robot by analyzing a speech text and selecting appropriate gestures from a plurality of candidate gestures. The speech text is analyzed and tagged with information relevant to generating of the gestures. Based on the speech text, the tagged information and other relevant information, a gesture identifier is selected. A gesture template corresponding to the gesture identifier is retrieved and then processed by adding relevant parameter to generate a gesture descriptor representing a gesture to be taken by the robot. A gesture motion is planned based on the gesture descriptor and analysis of timing associated with the speech. Actuator signals for controlling the actuators such as arms and hands are generated based on the planned gesture motion.07-26-2012

Qi Luo, Cupertino, CA US

Patent application numberDescriptionPublished
20120057216MULTICOMPONENT SACRIFICIAL STRUCTURE - A MEMS comprising a sacrificial structure, which comprises a faster etching portion and a slower etching portion, exhibits reduced damage to structural features when in forming a cavity in the MEMS by etching away the sacrificial structure. The differential etching rates mechanically decouple structural layers, thereby reducing stresses in the device during the etching process. Methods and systems are also provided.03-08-2012

Qian Luo, Union City, CA US

Patent application numberDescriptionPublished
20120024229CONTROL OF PLASMA PROFILE USING MAGNETIC NULL ARRANGEMENT BY AUXILIARY MAGNETS - Magnetrons for use in physical vapor deposition (PVD) chambers and methods of use thereof are provided herein. In some embodiments, an apparatus may include a support member having an axis of rotation; a plurality of first magnets coupled to the support member on a first side of the axis of rotation and having a first polarity oriented in a first direction perpendicular to the support member; and a second magnet coupled to the support member on a second side of the axis of rotation opposite the first side and having a second polarity oriented in a second direction opposite the first direction. In some embodiments, the apparatus is capable of forming a magnetic field including one or more magnetic nulls that modulate local plasma uniformity in a physical vapor deposition (PVD) chamber.02-02-2012
20120181166PVD PROCESS WITH SYNCHRONIZED PROCESS PARAMETERS AND MAGNET POSITION - Embodiments of the present invention generally relate to methods for physical vapor deposition processes. The methods generally include synchronizing process chamber conditions with the position of a magnetron. As the magnetron is scanned over a first area of a target, the conditions within the chamber are adjusted to a first set of predetermined process conditions. As the magnetron is subsequently scanned over a second area of the target, the conditions within the chamber are adjusted to a second set of predetermined process conditions different the first set. The target may be divided into more than two areas. By correlating the position of the magnetron with different sets of process conditions, film uniformity can be improved by reducing center-to-edge non-uniformities, such as re-sputter rates which may be higher when the magnetron is near the edge of the target.07-19-2012

Qiuliang Luo, Moorpark, CA US

Patent application numberDescriptionPublished
20110186966GAAS INTEGRATED CIRCUIT DEVICE AND METHOD OF ATTACHING SAME - A gallium arsenide (GaAs) integrated circuit device is provided. The GaAs circuit device has a GaAs substrate with a copper contact layer for making electrical ground contact with a pad of a target device. Although copper is known to detrimentally affect GaAs devices, the copper contact layer is isolated from the GaAs substrate using a barrier layer. The barrier layer may be, for example, a layer of nickel vanadium (NiV). This nickel vanadium (NiV) barrier protects the gallium arsenide substrate from the diffusion effects of the copper contact layer. An organic solder preservative may coat the exposed copper to reduce oxidation effects. In some cases, a gold or copper seed layer may be deposited on the GaAs substrate prior to depositing the copper contact layer.08-04-2011

Roger Luo, Sunnyvale, CA US

Patent application numberDescriptionPublished
20080260158Methods and apparatus for initialization vector pressing - Methods and apparatus are provided for using explicit initialization vectors in both encryption and decryption processing. In one example, a sender generates an initialization vector, identifies cryptographic keys, encrypts data using the initialization vectors and the cryptographic keys, and transmits the encrypted data in a packet along with the initialization vector. A receiver identifies cryptographic keys, extracts the initialization vector from the received packet, and decrypts the encrypted data using the cryptographic keys and the initialization vector extracted from the received packet.10-23-2008

Simon Luo, City Of Industry, CA US

Patent application numberDescriptionPublished
20110091827Lighting fixture lighter - A lighting fixture lighter includes a frame body including a light transmitting window, a flame generator, and an illumination fixture built-in with the lighter for generating illumination light for illumination purpose. The illumination fixture includes a power source, a light source unit supported within a light compartment and aligning with the light transmitting window, and a light button to activate the light source unit for generating an illumination light, so that the illumination light is emitted out of the light transmitting window for illumination purpose. In order to enhance the light intensity of the light source unit, a light reflector is further provided within the light compartment for reflecting the illumination light from the light source unit, such that the lighter not only provides the traditional ignition function, but also provides an added on illumination function in the single compact lighter housing.04-21-2011

Weicai Luo, Palo Alto, CA US

Patent application numberDescriptionPublished
20100184428LOCAL ROAMING NUMBER SERVER - Another embodiment is directed to a wireless network. The wireless network comprises a visitor location register to store information about wireless devices that are located in a coverage area associated with the wireless network and a switching center to establish calls with wireless devices located in the coverage area associated with the wireless network. The wireless network further comprises a home location register to store information about subscribers for whom the wireless network is their home network and an operations and support subsystem that is configured to receive information indicative of location update events. The wireless network further comprises a local roaming server coupled to the operations and support subsystem to receive at least a portion of the information indicative of the location update events. The local roaming server is configured to do the following after a visitor enters the coverage area associated with the wireless network and successfully performs a location update: store an address associated with the visitor location register that is servicing the visitor and act as a home location register in connection with providing local roaming number service to the visitor using a local roaming number assigned to the visitor.07-22-2010

Wen Luo, San Diego, CA US

Patent application numberDescriptionPublished
20120014937Human Beta-Adrenergic receptor kinase polypeptide and methods - Various embodiments of the invention provide human kinases and phosphatases (KPP) polypeptides and polynucleotides which identify and encode KPP. Embodiments of the invention also provide expression vectors, host cells, antibodies, agonists, and antagonists. Other embodiments provide methods for diagnosing, treating, or preventing disorders associated with aberrant expression of KPP.01-19-2012
20130058942HUMAN BETA-ADRENERGIC RECEPTOR KINASE POLYPEPTIDE AND METHODS - Various embodiments of the invention provide human kinases and phosphatases (KPP) polypeptides and polynucleotides which identify and encode KPP. Embodiments of the invention also provide expression vectors, host cells, antibodies, agonists, and antagonists. Other embodiments provide methods for diagnosing, treating, or preventing disorders associated with aberrant expression of KPP.03-07-2013
20140031242METHOD FOR DISCOVERING PHARMACOGENOMIC BIOMARKERS - The present invention relates to a method of discovering pharmacogenomic biomarkers that are correlated with varied individual responses (efficacy, adverse effect, and other end points) to therapeutic agents. The present invention provides a mean to utilize archived clinical samples to perform genome-wide association study in order to identify novel pharmacogenomic biomarkers. The newly discovered biomarkers can then be developed into companion diagnostic tests which can help to predict drug responses and apply drugs only to those who will be benefited, or exclude those who might have adverse effects, by the treatment.01-30-2014
20140356342HUMAN BETA-ADRENERGIC RECEPTOR KINASE POLYPEPTIDE AND METHODS - Various embodiments of the invention provide human kinases and phosphatases (KPP) polypeptides and polynucleotides which identify and encode KPP. Embodiments of the invention also provide expression vectors, host cells, antibodies, agonists, and antagonists. Other embodiments provide methods for diagnosing, treating, or preventing disorders associated with aberrant expression of KPP.12-04-2014

Patent applications by Wen Luo, San Diego, CA US

Wilbur Luo, San Jose, CA US

Patent application numberDescriptionPublished
20130086541SYSTEM AND METHOD FOR AUTOMATED REAL-TIME DESIGN CHECKING - Systems and methods for real-time design checking of an integrated circuit design, include the operations of receiving at a design tool, design elements of an integrated circuit design entered by an integrated circuit designer; the design tool performing real-time design checks on the design elements as they are entered by the integrated circuit designer to determine whether a design element violates a design rule; when the design tool detects a violation of a design rule based on the design checks alerting the integrated circuit designer; and the design tool presenting a correction to correct the violation of the design rule. The real-time design checks can include, comparing each design element to one or more known non-compliant design elements stored in a database to determine whether a non-compliant design element was entered or is being entered by the integrated circuit designer.04-04-2013

Xiaodong Luo, Saratoga, CA US

Patent application numberDescriptionPublished
20130088624HIGH DYNAMIC RANGE SUB-SAMPLING ARCHITECTURE - A method of implementing high dynamic range bin algorithm in an image sensor including a pixel array with a first super row having a first integration time and a second super row having a second integration time is described. The method starts by reading out image data from the first super row into a counter. Image data from the first super row is multiplied by a factor to obtain multiplied data. The factor is a ratio between the first and the second integration times. The multiplied data is then compared with a predetermined data. The image data from the second super row is readout into the counter. If the multiplied data is larger than the predetermined data, the multiplied data from the first super row is stored in the counter. If not, the image data from the second super row is stored. Other embodiments are also described.04-11-2013
20130089175ARITHMETIC COUNTER CIRCUIT, CONFIGURATION AND APPLICATION FOR HIGH PERFORMANCE CMOS IMAGE SENSORS - An arithmetic counter circuit for high performance CMOS image sensors includes a plurality of flip-flops of a plurality of counter stages and a plurality of multiplexers of the plurality of counter stages being coupled to the plurality of flip-flops. Each of the plurality of multiplexers coupled to receive control signals including at least one of a toggle signal, a keep signal, a shift enable signal, or a mode signal. The control signals select the output of each of the plurality of multiplexers. Each of the plurality of flip-flops is coupled to be in one of a toggle state, a keep state, a reset state or a set state based on inputs received from the plurality of multiplexers. Other embodiments are described.04-11-2013

Xiaofen Luo, Novato, CA US

Patent application numberDescriptionPublished
20100017259METHOD AND SYSTEM OF AUTOMATICALLY SETTING AND CHANGING PRICE FOR ONLINE CONTENT SELLING - A system, method, and product that enable users to conveniently receive financial benefits from publishing content online are described. A price for a piece of content is dynamically set in the following manner. The piece of content is initially published for free, and categorized for a related category. Related user activities are tracked and used by a business rule to determine a marketability value for the piece of content. If the marketability value exceeds a threshold, a price is determined by applying a pricing algorithm to the marketability value. Subsequent accesses to the piece of content are subject to the price. User activities related to the piece of content are continuously tracked and used to adjust the price.01-21-2010

Xiliang Luo, Northridge, CA US

Patent application numberDescriptionPublished
20100202559MULTIPLEXING AND CODING SCHEMES FOR MULTIPLE TRANSMIT ANTENNAS IN A WIRELESS COMMUNICATION SYSTEM - Techniques for transmitting data from multiple transmit antennas using space orthogonal resource transmit diversity (SORTD) are described. For the SORTD scheme, a different orthogonal resource may be assigned to each transmit antenna. Data may be sent from the multiple transmit antennas using multiple orthogonal resources. In one design, a UE may process at least one information bit (e.g., with joint or independent coding) to obtain first and second sets of at least one modulation symbol. The UE may process the first set of modulation symbol(s) for transmission from the first transmit antenna using a first orthogonal resource. The UE may process the second set of modulation symbol(s) for transmission from the second transmit antenna using a second orthogonal resource. Each orthogonal resource may include a different reference signal sequence or a different set of reference signal sequence and orthogonal sequence.08-12-2010
20100215007CHANNEL INTERLEAVER FOR TRANSMISSION OF MULTIPLE CODE BLOCKS IN A WIRELESS COMMUNICATION SYSTEM - Techniques for performing channel interleaving to achieve similar SINRs for multiple code blocks are described. In one design, a transmitter station (e.g., a base station or a UE) determines a plurality of resource groups assigned for data transmission. Each resource group includes a plurality of resource elements formed by a cluster of subcarriers in a time interval. The transmitter station partitions a transport block into a plurality of code blocks, processes each code block to obtain data symbols for that code block, and maps the data symbols for each code block to at least one resource element in each of the plurality of resource groups. The transmitter station transmits the mapped data symbols for the plurality of code blocks to a receiver station. In one design, the transmitter station receives an ACK or a NACK for the transport block and retransmits all code blocks if a NACK is received.08-26-2010
20100234061OVER-THE-AIR OVERLOAD INDICATOR - Methods, systems, apparatus and computer program products are provided to facilitate power control in wireless communication systems. A cell that is experiencing excessive interference conditions may generate an over-the-air overload indicator indicative of interference conditions at the cell. The over-the-air overload indicator is received by one or more user equipment in a neighboring cell. In response, the user equipment determines adjustments to its transmit power that reduce and/or eliminate the interference. This determination may be carried out by the user equipment, by the serving base station, or through cooperation between the user equipment and the serving base station. This Abstract is provided for the sole purpose of complying with the Abstract requirement rules that allow a reader to quickly ascertain the disclosed subject matter. Therefore, it is to be understood that it should not be used to interpret or limit the scope or the meaning of the claims.09-16-2010
20110141982TRANSMISSION OF REFERENCE SIGNAL ON NON-CONTIGUOUS CLUSTERS OF RESOURCES - Techniques for transmitting a reference signal on multiple non-contiguous clusters of resources are described. A user equipment (UE) may be scheduled for data transmission on the multiple non-contiguous clusters, and each cluster may cover a set of contiguous subcarriers. The UE may generate the reference signal based on at least one reference signal (RS) sequence using code division multiplexing (CDM) or frequency division multiplexing (FDM). In an design, the UE generates the reference signal with CDM based on a single RS sequence having a length matching the total length of the multiple non-contiguous clusters. In another design, the UE generates the reference signal with CDM based on one RS sequence for each cluster. In yet another design, the UE generates the reference signal with FDM and transmits the reference signal on a subset of all subcarriers for the multiple non-contiguous clusters.06-16-2011
20110143696PUSCH TRANSMIT DELIVERY SCHEME SELECTION - Certain aspects of the present disclosure relate to a method for uplink wireless communications. In one aspect, a diversity scheme may be selectively and adaptively applied to an uplink transmission based on a determination of whether the uplink transmission comprises one or more orphan symbols. According to an aspect, the determination is made based on whether a sounding reference signal is received in the uplink subframe and whether the uplink subframe is configured with a normal or extended cyclic prefix.06-16-2011
20110159914Interaction Between Accumulative Power Control And Minimum/Maximum Transmit Power In LTE Systems - Methods and apparatus in a wireless communication system are described for receiving and processing transmit power control commands, where, for example, the response to the transmit power control commands is conditionally decoupled from at least one of a transmit bandwidth parameter, a transport format parameter and a power stepsize limit. This Abstract is provided for the sole purpose of complying with the Abstract requirement rules that allow a reader to quickly ascertain the disclosed subject matter. Therefore, it is to be understood that it should not be used to interpret or limit the scope or the meaning of the claims.06-30-2011
20110199944APERIODIC SOUNDING REFERENCE SIGNAL TRANSMISSION METHOD AND APPARATUS - A method and apparatus for facilitating an aperiodic transmission of a sounding reference signal (SRS) are disclosed. Transmission resources are allocated to the aperiodic SRS transmission. A portion of a first downlink control message is modified to produce a second downlink control message, where the first downlink control message does not trigger an aperiodic SRS transmission. The second downlink message is transmitted.08-18-2011
20110207415CONTROL FOR UPLINK IN MIMO COMMUNICATION SYSTEM - In a wireless communication network that performs Multiple Input Multiple Output (MIMO) communication, uplink power control signals are provided to a user equipment (UE) via a base station signaled power allocation scheme responsive to a determination of whether or not the uplink transmission is in a interference limited condition relative to a neighboring cell.08-25-2011
20110228731UPLINK CONTROL CHANNEL RESOURCE ALLOCATION FOR TRANSMIT DIVERSITY - Systems and methods for resource allocation for an uplink control channel for a user equipment (UE) using multiple transmit antennas in a wireless communication network are disclosed. A plurality of orthogonal resources for use by the UE on the uplink control channel is selected. Control information is transmitted from the UE on the uplink control channel on the plurality of orthogonal resources with transmit diversity.09-22-2011
20110243012FEEDBACK OF CONTROL INFORMATION FOR MULTIPLE CARRIERS - Techniques for sending control information relating to multiple downlink carriers and data on a single uplink carrier are described. A user equipment (UE) may be scheduled to transmit on a designated uplink carrier. The UE can multiplex control information for multiple downlink carriers with data for transmission on the uplink carrier in a same subframe. Multiplexing may be performed according to a type of the control information and/or an ordering, priority, or association of the downlink carriers. The UE can selectively encode the control information separately for each downlink carrier and/or jointly across downlink carriers. The control information may be mapped to a single layer or multiple layers of a data channel. The UE may send the multiplexed control information and data on the data channel in the subframe while maintaining a single-carrier waveform.10-06-2011
20110268080METHOD AND APPARATUS FOR CONTROL AND DATA MULTIPLEXING IN WIRELESS COMMUNICATION - A method of wireless communication includes determining a number of symbols for uplink control information (UCI) on each of a plurality of layers, multiplexing symbols for the UCI with data on multiple layers such that the symbols are time aligned across the layers, and sending the multiplexed symbols on the multiple layers on uplink. In some designs, the number of symbols for the UCI may be determined based on a spectral resource parameter.11-03-2011
20110280164DAI DESIGNS FOR FDD CARRIER AGGREGATION - Certain aspects of the present disclosure relate to techniques for indicating downlink assignments to a user equipment (UE). According to certain aspects, the techniques generally involve generating a downlink assignment index (DAI) indicating a number of assigned downlink transmissions for a user equipment (UE) configured to communicate using multiple component carriers and transmitting a physical downlink control channel (PDCCH) containing the DAI to the user equipment (UE) in a frequency division duplexing (FDD) subframe in which uplink and downlink transmissions may take place at the same time on different carrier frequencies.11-17-2011
20110294529SOUNDING REFERENCE SIGNAL ENHANCEMENTS FOR WIRELESS COMMUNICATION - A wireless communication method includes determining whether a wireless device desires dynamic sounding reference signal (SRS) resources and providing, based on the determination, a dynamic SRS resource allocation to the wireless device.12-01-2011
20110317646DEMODULATION REFERENCE SIGNALS FOR RETRANSMISSION IN WIRELESS COMMUNICATION - Provided is a method for wireless communication which includes transmitting codewords according to an initial transmission rank, receiving downlink transmissions indicating at least one of the codewords to be retransmitted, constructing a demodulation reference signal (DM-RS) to be sent with the at least one codeword to be retransmitted, and retransmitting the at least one codeword with the DM-RS according to a retransmission rank. The downlink transmissions may include one or more physical hybrid automatic retransmission request indicator channels and the DM-RS may be constructed based at least in part on information in the downlink transmissions.12-29-2011
20120014318MULTIPLEXING DEMODULATION REFERENCE SIGNALS IN WIRELESS COMMUNICATIONS - Methods and apparatuses are provided for determining cyclic shift (CS) values and/or orthogonal cover codes (OCC) for a plurality of demodulation reference signals (DM-RS) transmitted over multiple layers in multiple-input multiple-output (MIMO) communications. A CS index can be received from a base station in downlink control information (DCI) or similar signaling. Based at least in part on the CS index, CS values for the plurality of DM-RSs can be determined. In addition, OCC can be explicitly signaled or similarly determined from the CS index and/or a configured CS value received from a higher layer. In addition, controlling assignment of CS indices and/or OCC can facilitate providing orthogonality for communications from paired devices in multiuser MIMO.01-19-2012
20120039275PHYSICAL UPLINK CONTROL CHANNEL RESOURCE ALLOCATION FOR MULTIPLE COMPONENT CARRIERS - Techniques for sending control information in a wireless network are disclosed. A multi-carrier user equipment (UE) may receive a downlink grant on a physical downlink control channel (PDCCH) on a first component carrier (CC). The UE may also receive a data transmission associated with the PDCCH on a physical downlink shared channel (PDSCH) on a second CC. In some examples, the UE determines physical uplink control channel (PUCCH) resources for acknowledging the data transmission based on the first CC on which the PDCCH is received, the second CC on which the data transmission is received, and a transmission mode of the second CC. The UE may send acknowledgement/negative acknowledgement (ACK/NACK) information for the data transmission based on the PUCCH resources.02-16-2012
20120039279ACK/NACK TRANSMISSION FOR MULTI-CARRIER OPERATION - Techniques for acknowledging data transmissions in a multi-carrier wireless communication network are disclosed. In some aspects, a user equipment (UE) receives a data transmission on at least one component carrier (CC) in a plurality of configured CCs. The UE determines acknowledgement/negative acknowledgement (ACK/NACK) information for the data transmission and determines an uplink channel for sending the ACK/NACK information. When the ACK/NACK information is sent on a PUCCH, the UE may perform power control based on which CCs in the plurality of configured CCs data is received. When the ACK/NACK information is sent on a PUSCH, the UE may determine a number of resource elements based on its CC configuration.02-16-2012
20120039280ACK/NACK TRANSMISSION FOR MULTI-CARRIER OPERATION WITH DOWNLINK ASSIGNMENT INDEX - Techniques for acknowledging data transmissions in a multi-carrier wireless communication network are disclosed. In one aspect, a UE determines a number of acknowledgement/negative acknowledgement (ACK/NACK) bits for a data transmission on one more component carriers (CCs) based on information obtained from a grant. The grant may be a downlink grant or an uplink grant, and the information obtained may include a number of CCs scheduled for data transmission and/or identifiers of the scheduled CCs. The UE may determine the number of ACK/NACK bits for acknowledging the data transmission based on the number of scheduled CCs and the identifier of each scheduled CC.02-16-2012
20120076017APERIODIC CHANNEL STATE INFORMATION REQUEST IN WIRELESS COMMUNICATION - A method, computer program product, and apparatus are provided in which a request for a channel state information (CSI) report is received on a component carrier of a plurality of component carriers. The request indicates a set of component carriers of the plurality of component carriers for which to provide the CSI report. In addition, a CSI report including feedback for each of the indicated component carriers in the set of component carriers is transmitted. A method, computer program product, and apparatus are provided in which a request for a CSI report on a component carrier of a plurality of component carriers is transmitted. The request indicates a set of component carriers of the plurality of component carriers for which to receive the CSI report. In addition, a CSI report including feedback for each of the indicated component carriers in the set of component carriers is received.03-29-2012
20120093094ACKNOWLEDGEMENT BUNDLING IN A MIMO COMMUNICATION SYSTEM - A method of wireless communication comprises receiving a plurality of codewords and transmitting a downlink feedback message by spatially bundling acknowledgments for the received plurality of codewords. In some designs, an accompanying grant message is transmitted with the downlink feedback message.04-19-2012
20120114065CUBIC-METRIC BASED FREQUENCY SELECTIVE PRECODING FOR UPLINK IN MIMO COMMUNICATION SYSTEM - A method of wireless communication is disclosed which includes acquiring a first set of precoding matrices for a set of frequency bands and generating a second set of precoding matrices for the set of frequency bands based on the first set of precoding matrices. The second set of precoding matrices enables a transmission that satisfies a cubic metric criteria in multiple-in multiple-out communication mode in the uplink. In some designs, generating the second set of precoding matrices can be based on restricting the first set of precoding matrices for a set of frequency bands and transmission rank, rotating the first set of precoding matrices based for a predetermined transmission rank, or a combination thereof.05-10-2012
20120120882METHODS AND APPARATUSES FOR DOWNLINK CHANNEL RESOURCE ASSIGNMENT - Certain aspects of the present disclosure provide techniques for determining resources for transmission of acknowledgement messages to a user equipment (UE). The techniques involve receiving a plurality of codewords from the UE via an uplink component carrier, and determining at least first and second index pairs identifying resources of a downlink channel to be used for transmitting acknowledgement messages for the received codewords. The first index pair is determined based on a first set of parameters, and the second index pair is determined based on the first set of parameters and a second set of one or more parameters. At least one of the parameters in the second set is a fixed value.05-17-2012
20120287828ACKNOWLEDGEMENT / NEGATIVE ACKNOWLEDGEMENT FEEDBACK FOR TDD - Bits for acknowledgement (ACK) and/or negative acknowledgement (NAK) may be allocated based on whether a special subframe configuration in a TDD configuration permits downlink transmission. For carrier aggregation, ACK/NAK bits may be allocated only to special subframes in component carriers (CCs) which permit downlink transmission. Also, for example, ACK/NAK bits may be allocated to all CC special subframes if a single CC is configured to allow downlink transmission on one of its special subframes. ACK/NAK bits may also be allocated to all special subframes.11-15-2012
20120294204METHOD AND APPARATUS FOR IMPROVING ACKNOWLEDGEMENT/NEGATIVE ACKNOWLEDGEMENT FEEDBACK - A method, apparatus, and computer program product for wireless communication are provided to receive a downlink grant including a transmission power control (TPC) command and a downlink assignment index (DAI) for an uplink subframe, determine that a value for at least one of the TPC commands is an ACK/NACK resource indicator for an uplink control channel resource based on a value of the DAI, and transmit one or more ACK/NACK bits using the uplink control channel resource. In another example, an eNB may be equipped to transmit a downlink grant including TPC command and DAI for an uplink subframe, wherein the DAI is greater than 1 and the TPC command is replaced with an ACK/NACK resource indicator, and receive a signal including uplink control channel information, where ACK/NACK feedback for one or more downlink subframes associated with the uplink subframe are included in a resource indicated by the resource indicator.11-22-2012
20130343348DEMODULATION REFERENCE SIGNALS FOR RETRANSMISSION IN WIRELESS COMMUNICATION - Provided is a method for wireless communication which includes transmitting codewords according to an initial transmission rank, receiving downlink transmissions indicating at least one of the codewords to be retransmitted, constructing a demodulation reference signal (DM-RS) to be sent with the at least one codeword to be retransmitted, and retransmitting the at least one codeword with the DM-RS according to a retransmission rank. The downlink transmissions may include one or more physical hybrid automatic retransmission request indicator channels and the DM-RS may be constructed based at least in part on information in the downlink transmissions.12-26-2013

Patent applications by Xiliang Luo, Northridge, CA US

Xiliang Luo, Cardiff, CA US

Patent application numberDescriptionPublished
20120044928DETERMINATION OF NETWORK SYNCHRONIZATION - User equipment (UE) associated with synchronous networks operate in a synchronous mode while UEs associated with asynchronous networks operate in an asynchronous mode. When operating in a synchronous mode, a UE can significantly improve performance of synchronization signal detection, data decoding, and tracking loop management by using the interference cancellation (IC) techniques that are not available in an asynchronous mode of operation. Obtaining synchronization indicators and determining the synchronization status of the current network by UE is disclosed. The determination may be based on the synchronization indicator, whether detected through signal detection, signal measurements, signal analysis, or the like.02-23-2012
20120046056SAMPLE SELECTION FOR SECONDARY SYNCHRONIZATION SIGNAL (SSS) DETECTION - Methods and apparatus for selecting samples for secondary synchronization signal (SSS) detection are described. Several alternatives are provided for efficient cell identifier detection. In a first alternative, multiple bursts of a signal received from a cell are sampled with non-uniform spacing between sampling intervals to determine a sequence for cell identification. In a second alternative, samples of a first and a second signal received from a stronger cell are cancelled, and a sequence for detecting a weaker cell is determined by reducing effects of the samples of a third signal received from the weaker cell which do not overlap with the primary synchronization signal (PSS) or SSS of the stronger cell. In a third alternative, a sequence for detecting a weaker cell is determined by reducing effects of any sampled bursts that correspond to a high transmission power portion of a signal from a stronger cell.02-23-2012
20120082075METHOD AND APPARATUS FOR PUCCH AND PUSCH ENCODING - Wireless uplink communication is disclosed which includes dividing information bits into first and second sets of information bits. The first set of information bits is encoded into a first set of coded bits, while the second set of information bits is encoded into a second set of coded bits. The first and second sets of coded bits are rate matched into a defined number of bits generating first and second sets of rate-matched coded bits. The first and second sets of rate-matched coded bits are interleaved using various interleaving methods to generate an interleaved set of coded bits.04-05-2012
20120082079DISCONTINUOUS TRANSMISSION (DTX) SIGNALING IN UPLINK DATA CHANNEL - A method for discontinuous transmission (DTX) signaling in a physical uplink shared channel (PUSCH) of a wireless communication system includes puncturing at least a portion of a physical uplink shared channel (PUSCH) at a location that would collide with acknowledgement (ACK)/negative (ACK/NACK) feedback if ACK/NACK feedback is transmitted. The method also includes transmitting DTX symbols in the punctured portion of the PUSCH by a user equipment (UE). The method further includes detecting DTX symbols on the PUSCH by an evolved Node B (eNodeB), indicating the UE is operating according to a DTX signaling mode.04-05-2012
20120108175MULTIPLE SIGNAL TRANSFORMATION IN WIRELESS RECEIVERS - A frontend receiver of a user equipment (UE) is configured with multiple transform operations assigned to separate sets of cells. One set of cells includes the serving cell of the UE and at least one additional cell within a first offset range of the serving cell. Another set or sets of cells include additional interferer cells within another offset range of the serving cell. After tracking the common frequency/timing offsets of each set of cells the assigned transform operation for that set transforms the time domain samples into frequency domain symbols. The individual frequency/timing offsets for each cell within the set are then tracked.05-03-2012
20120113849CQI-ONLY TRANSMISSION ON THE PUSCH - A method for transmitting a channel quality indicator-only feedback payload is described. A channel quality indicator scheduling message is received from a base station. A channel quality indicator-only feedback payload is generated. The channel quality indicator-only feedback payload is transmitted on a physical uplink shared channel. The method may be performed by a wireless communication device.05-10-2012
20120113898USING PRECODING VECTOR SWITCHING IN UPLINK CONTROL CHANNEL - Methods and apparatuses are provided that include using orthogonal precoding vectors to precode signals for transmission in a given subframe. Transmissions in a first slot of the subframe can be precoded with a first precoding vector, and transmissions in a second slot of the subframe can be precoded with a second precoding vector, which can be orthogonal to the first precoding vector. The precoding vectors can be selected using precoding vector switching or a similar mechanism. Thus, diversity is provided for transmissions within a given subframe to improve reliability of receiving the transmissions. In addition, other precoding vectors can be used to precode signals for transmissions in a subsequent subframe.05-10-2012
20120114014USING PRECODING VECTOR SWITCHING IN UPLINK SHARED CHANNEL - Methods and apparatuses are provided that include providing transmit diversity for data channel transmissions. Different precoding vectors can be used over different slots of a given subframes to precode corresponding signals. The precoding vectors, in one example, can be orthogonal. In addition, using the different precoding vectors can be determined based on a user equipment receiving an indicator from a base station receiving the data channel transmissions of whether to use frequency hopping over the slots. Moreover, precoding vectors used to precode data channel transmissions can additionally or alternatively vary across subframes.05-10-2012
20120115534DYNAMIC UPLINK POWER CONTROL - Power adjustment in the user equipment (UE) includes adjusting the transmission power level for each of multiple transport blocks based on the spectral efficiency associated with the transport block. The UE receives a scheduled transport format parameter for each of multiple transport blocks to be transmitted. Based on those scheduled transport format parameters, the UE determines a transmit power level adjustment for each transport block. The UE will adjust the power according to the determined transmit power level adjustment and transmit each transport block using the adjusted power level.05-10-2012
20120134305HYBRID AUTOMATIC REPEAT REQUEST FEEDBACK TRANSMISSION IN A MULTI COMPONENT-CARRIER COMMUNICATION SYSTEM - Methods, systems, devices, and computer program products are described which facilitate the transmission and reception of acknowledgment/negative acknowledgment (ACK/NACK) feedback associated with downlink data transmissions in a multi-carrier wireless communication system. Scheduling request resources may be utilized to enable the transmission of ACK/NACK feedback for the multiple component carriers when a positive scheduling request is present and the techniques described may be utilized to improve the efficiency of control channel signaling in different system configurations.05-31-2012
20120163159INTERFERENCE RANDOMIZATION FOR UPLINK SIGNALING - A method for transmitting an acknowledgement/negative acknowledgement is described. Cell-specific symbol-level cyclic shift hopping is applied to data single-carrier frequency division multiplexing symbols of the acknowledgement/negative acknowledgement. A discrete Fourier transform is applied to the data single-carrier frequency division multiplexing symbols. Cell-specific symbol-level phase hopping is applied to the data single-carrier frequency division multiplexing symbols. The data single-carrier frequency division multiplexing symbols are transmitted in a slot.06-28-2012
20120208541MOBILITY PROCEDURES IN WIRELESS NETWORKS WITH DISTRIBUTED REMOTE RADIO HEADS - Wireless networks may include remote radio heads (RRHs) for extending the coverage of a macro cell. The macro cell may be connected to the RRHs, for example, by optical fiber, and there may be negligible latency between the macro cell and the RRHs. As a user equipment (UE) moves within the macro cell, or between other macro cells, mobility procedures followed by the UE may vary based on the release of the UE (e.g., Rel-8/9, Rel-10, or Rel-11 and beyond). The macro cell may handle all the scheduling within the cell, for itself and the RRHs.08-16-2012
20120213109DISCOVERY REFERENCE SIGNAL DESIGN FOR COORDINATED MULTIPOINT OPERATIONS IN HETEROGENEOUS NETWORKS - Certain aspects of the present disclosure relate to techniques that may be used to discover transmission points in heterogeneous networks (HetNet) that involves coordinated multi-point (CoMP) transmission and reception.08-23-2012
20120236741POWER CONTROL AND USER MULTIPLEXING FOR HETEROGENEOUS NETWORK COORDINATED MULTIPOINT OPERATIONS - Certain aspects of the present disclosure relate to techniques for power control and user multiplexing for coordinated multi-point (CoMP) transmission and reception in heterogeneous networks (HetNet).09-20-2012
20120236771UPLINK CONTROL CHANNEL RESOURCE MAPPING FOR CARRIER AGGREGATION - In a multi-carrier wireless communication system, component carrier configuration and reconfiguration uses uplink control channel resource mapping with fallback configurations to maintain alignment between a user equipment and a base station during reconfiguration.09-20-2012
20120263121CONTROL CHANNEL RESOURCES FOR MULTI-BIT ACK/NAK - A method of wireless communication includes receiving an upper layer configuration of multiple sets of ACK/NAK resources for uplink transmission. The receives resources correspond to at least one secondary downlink component carrier in a multicarrier configuration. The method also includes receiving a physical layer indicator of ACK/NAK resources in the sets.10-18-2012
20120263124RESOURCE ASSIGNMENTS FOR UPLINK CONTROL CHANNEL - A wireless communication method includes allocating physical uplink control channel (PUCCH) data in first slot to a first orthogonal cover code (OCC). The method also includes allocating PUCCH data in a second slot of the same subframe to a different orthogonal cover code (OCC). Another method includes mapping PUCCH resources to physical resource blocks based on a user equipment (UE) specific signaling parameter (e.g., a resource index) and a number of symbols in a slot of a subframe.10-18-2012
20130114441CHANNEL STATE INFORMATION COMPUTATION FOR ENHANCED INTER-CELL INTERFERENCE COORDINATION - A delayed channel estimation is a channel state information (CSI) reference subframe having an index (N05-09-2013
20140161043SAMPLE SELECTION FOR SECONDARY SYNCHRONIZATION SIGNAL (SSS) DETECTION - Methods and apparatus for selecting samples for secondary synchronization signal (SSS) detection are described. Several alternatives are provided for efficient cell identifier detection. In a first alternative, multiple bursts of a signal received from a cell are sampled with non-uniform spacing between sampling intervals to determine a sequence for cell identification. In a second alternative, samples of a first and a second signal received from a stronger cell are cancelled, and a sequence for detecting a weaker cell is determined by reducing effects of the samples of a third signal received from the weaker cell which do not overlap with the primary synchronization signal (PSS) or SSS of the stronger cell. In a third alternative, a sequence for detecting a weaker cell is determined by reducing effects of any sampled bursts that correspond to a high transmission power portion of a signal from a stronger cell.06-12-2014
20140161044SAMPLE SELECTION FOR SECONDARY SYNCHRONIZATION SIGNAL (SSS) DETECTION - Methods and apparatus for selecting samples for secondary synchronization signal (SSS) detection are described. Several alternatives are provided for efficient cell identifier detection. In a first alternative, multiple bursts of a signal received from a cell are sampled with non-uniform spacing between sampling intervals to determine a sequence for cell identification. In a second alternative, samples of a first and a second signal received from a stronger cell are cancelled, and a sequence for detecting a weaker cell is determined by reducing effects of the samples of a third signal received from the weaker cell which do not overlap with the primary synchronization signal (PSS) or SSS of the stronger cell. In a third alternative, a sequence for detecting a weaker cell is determined by reducing effects of any sampled bursts that correspond to a high transmission power portion of a signal from a stronger cell.06-12-2014

Patent applications by Xiliang Luo, Cardiff, CA US

Xin Luo, Fremont, CA US

Patent application numberDescriptionPublished
20130326054Performance Estimator for Network Devices - Techniques for estimating the performance of a network device. In one set of embodiments, a network device can determine one or more performance metrics associated with a feature of the network device that is customizable by a user. An example of such a feature is a user-defined script that is executed via a scripting engine of the network device. The network device can then generate a performance estimate based on the one or more performance metrics. The performance estimate can indicate the likely performance of the network device with the feature enabled.12-05-2013

Xing Wen Luo, City Of Industry, CA US

Patent application numberDescriptionPublished
20110091826Lighting fixture lighter - A lighting fixture lighter includes a frame body including a light transmitting window, a flame generator, and an illumination fixture built-in with the lighter for generating illumination light for illumination purpose. The illumination fixture includes a power source, a light source unit supported within a light compartment and aligning with the light transmitting window, and a light button to activate the light source unit for generating an illumination light, so that the illumination light is emitted out of the light transmitting window for illumination purpose. In order to enhance the light intensity of the light source unit, a light reflector is further provided within the light compartment for reflecting the illumination light from the light source unit, such that the lighter not only provides the traditional ignition function, but also provides an added on illumination function in the single compact lighter housing.04-21-2011

Xingzhi Luo, Sunnyvale, CA US

Patent application numberDescriptionPublished
20120274783IMAGING WITH REAL-TIME TRACKING USING OPTICAL COHERENCE TOMOGRAPHY - An optical coherence tomography system is provided. The system includes an OCT imager; a two-dimensional transverse scanner coupled to the OCT imager, the two-dimensional transverse scanner receiving light from the light source and coupling reflected light from a sample into the OCT imager; optics that couple light between the two-dimensional transverse scanner and the sample; a video camera coupled to the optics and acquiring images of the sample; and a computer coupled to receive images of the sample from the video camera, the computer processing the images and providing a motion offset signal based on the images to the two-dimensional transverse scanner.11-01-2012

Xining Luo, Sunnyvale, CA US

Patent application numberDescriptionPublished
20090286944SELECT PHENOL-HETEROCYCLE LIGANDS, METAL COMPLEXES FORMED THEREFROM, AND THEIR USES AS CATALYSTS - Select phenol-heterocycle ligands, metal-ligand compositions or complexes formed therefrom, and their use as catalysts in polymerization reactions and other transformations are disclosed herein. The catalysts have high performance characteristics, including the ability to catalyze reactions at high temperatures. The catalysts are particularly well-suited for the polymerization of olefins, including the polymerization of styrene to form polystyrene.11-19-2009

Xin Simon Luo, Monrovia, CA US

Patent application numberDescriptionPublished
20130051413INTERNALLY COOLED, THERMALLY CLOSED MODULAR LASER PACKAGE SYSTEM - An internal laser module may be capable of providing a similar high performance as that provided by traditional internally cooled laser modules, but with improved cost efficiency and manufacturability. In the internally cooled laser module, a laser subassembly, such as a coaxial semiconductor laser, may be mounted on a thermoelectric cooler cooler-base with several other components enclosed in a properly designed case.02-28-2013

Xin Simon Luo, Monterey Park, CA US

Patent application numberDescriptionPublished
20090021816APPARATUS AND METHOD FOR LASER AND OPTICAL COUPLING - An apparatus and method steer a light through a lens into a receiving port via a steering device. The steering device is located between the lens and a light source. A feedback mechanism adjusts the steering device to correct for aberration.01-22-2009

Patent applications by Xin Simon Luo, Monterey Park, CA US

Ya Luo, Milpitas, CA US

Patent application numberDescriptionPublished
20130041750METHOD OF ATTENTION-TARGETING FOR ONLINE ADVERTISEMENT - The various embodiments described in the present disclosure, in at least one aspect, relate to computer-implemented methods of online advertisement. In one embodiment, a method includes determining an attention score for each of a plurality of ad creatives corresponding to a common ad content based on at least a correlation between each ad creative and a user's subconscious interest. The method further includes selecting an ad creative among the plurality of ad creatives based at least in part on the attention scores, and presenting the ad content with the selected ad creative as an ad impression to the user.02-14-2013
20130066716SENTIMENT-TARGETING FOR ONLINE ADVERTISEMENT - The various embodiments described in the present disclosure, in at least one aspect, relate to computer-implemented methods of online advertisement. In one embodiment, a method includes, in response to receiving a request for an ad to be provided to a user in an online session, identifying a plurality of ads as candidates for consideration, determining one or more sentiments of a content of the online session, and ranking the plurality of identified ads based at least in part on (i) a correlation between the content of the online session and a content of each identified ad, and (ii) a correlation between the one or more sentiments of the content of the online session and the content of each identified ad.03-14-2013
20140012671CONTENT-BASED TARGETED ONLINE ADVERTISEMENT - A method of providing targeted online advertisement includes receiving a request for an ad impression to be provided to a user in a network environment. The request includes a first content and a second content. The method also includes, using a processor, determining a context of the first content and a context of the second content, determining a correlation between the context of the first content and the context of the second content, and identifying a plurality of ads as candidates for consideration. The method further includes, using the processor, ranking the plurality of identified ads, selecting an ad among the plurality of identified ads based at least in part on a result of the ranking, and providing the selected ad as the ad impression to be displayed to the user in response to receiving the request.01-09-2014
20140012672CONTENT-BASED BIDDING IN ONLINE ADVERTISING - A method of providing targeted online advertisement includes receiving a request for an ad impression. The request includes a first content and a second content. The method also includes determining information related to (i) a context of the first content, (ii) a context of the second content, and (iii) a correlation between the context of the first content and the context of the second content, and providing the determined information to a bidding service, thereby enabling one or more advertisers to place one or more bids on the ad impression based on the provided information. Each of the one or more bids includes a bid price. The method further includes receiving the one or more bids for the ad impression, selecting one of the one or more received bids based at least in part on the bid prices, and providing an ad impression associated with the selected bid.01-09-2014

Yan Luo, Manhattan Beach, CA US

Patent application numberDescriptionPublished
20120229053Ultra-high vacuum photoelectron linear accelerator - A photoelectron linear accelerator for producing a low emittance polarized electron beam. The linear accelerator includes a tube having a cylindrical wall, said wall being perforated to allow gas to flow to a pressure chamber containing ultra high vacuum pumps located outside the accelerator. The RF accelerator cavity comprises of two concentric cylindrical regions having different outside diameters and different lengths.09-13-2012

Ying Luo, San Diego, CA US

Patent application numberDescriptionPublished
20130016744LASER SOURCE WITH TUNABLE-GRATING-WAVEGUIDE REFLECTIONSAANM Li; GuoliangAACI San DiegoAAST CAAACO USAAGP Li; Guoliang San Diego CA USAANM Zheng; XuezheAACI San DiegoAAST CAAACO USAAGP Zheng; Xuezhe San Diego CA USAANM Krishnamoorthy; Ashok V.AACI San DiegoAAST CAAACO USAAGP Krishnamoorthy; Ashok V. San Diego CA USAANM Luo; YingAACI San DiegoAAST CAAACO USAAGP Luo; Ying San Diego CA US - A laser source includes an optical cavity having a length exceeding a first predefined distance (such as 6 mm), where a wavelength spacing between optical modes associated with the optical cavity is less than a second predefined distance (such as 100 pm). Moreover, a gain medium in the laser source amplifies the optical signal. Furthermore, tunable-grating waveguides in the laser source, which are optically coupled to ends of the optical cavity, reflect a portion of the optical signal back into the optical cavity, and at least one of the tunable-grating waveguides transmits a remainder of the optical signal out of the optical cavity.01-17-2013
20130039661ECHELLE GRATING WITH CYCLIC FREE-SPECTRAL RANGE - An optical de-multiplexer (de-MUX) that includes an optical device that images and diffracts an optical signal using a reflective geometry is described, where a free spectral range (FSR) of the optical device associated with a given diffraction order abuts FSRs associated with adjacent diffraction orders. Moreover, the channel spacings within diffraction orders and between adjacent diffraction orders are equal to the predefined channel spacing associated with the optical signal. As a consequence, the optical device has a comb-filter output spectrum, which reduces a tuning energy of the optical device by eliminating spectral gaps between diffraction orders of the optical device.02-14-2013
20130195446DYNAMIC-GRID COMB OPTICAL SOURCE - An optical source uses feedback to maintain a substantially fixed spacing between adjacent wavelengths in a set of wavelengths in a wavelength comb output by the optical source. In particular, a set of light sources in the optical source provide optical signals having the set of wavelengths. Moreover, the optical signals are output at diffraction angles of an optical device in the optical source (such as an echelle grating), and optical detectors in the optical source determine optical metrics associated with the optical signals. Furthermore, control logic in the optical source provides control signals to the set of light sources based on the determined optical metrics.08-01-2013

Ying L. Luo, San Diego, CA US

Patent application numberDescriptionPublished
20130136389OPTICAL DEVICE WITH ECHELLE GRATING AND WAVEFRONT TAILORING - An optical de-MUX includes a sub-wavelength grating that magnifies an input optical signal. In particular, along a direction perpendicular to a propagation direction of the optical signal, the sub-wavelength grating has a spatially varying effective index of refraction that is larger at a center of the sub-wavelength grating than at an edge of the sub-wavelength grating. Moreover, the optical de-MUX includes an optical device that images and diffracts the optical signal using a reflective geometry, and which provides different diffraction orders to output ports. For example, the optical device may include an echelle grating.05-30-2013
20140029940INTEGRATED MULTI-CHANNEL WAVELENGTH MONITOR - An optical-source monitor images and diffracts received optical signals using an optical device that has a reflective geometry. For example, the optical device may include a diffraction grating on a curved surface, such as an echelle grating. By imaging and diffracting the optical signals, the optical device may couple to the optical signals on different diffraction orders of the optical device (which have different carrier wavelengths) from input optical waveguides to corresponding output optical waveguides. Then, output power monitors may measure the output power levels of the optical signals, and control logic may provide wavelength control signals to optical sources that provide the optical signals based on measured output power levels.01-30-2014
20140086585OPTICAL DEVICE WITH A CMOS-COMPATIBLE ECHELLE GRATING - An optical multiplexer/de-multiplexer (MUX/de-MUX) includes a two-dimensional pattern of features in a propagation region that conveys an optical signal having wavelengths. A given feature in this pattern has a characteristic length and the features have an average pitch, both of which are less than fundamental smallest of the wavelengths divided by an effective index of refraction of the propagation region. Moreover, an optical device in the optical MUX/de-MUX images and diffracts the optical signal using a reflective geometry, and provides the imaged and diffracted optical signal to output ports. For example, the optical device may include an echelle grating.03-27-2014
20140166864SELF-REGISTERED COMB LASER SOURCE - An integrated optical source is described. This optical source outputs one or more optical signals that provide a comb of wavelengths for use in wavelength-division-multiplexing (WDM) optical interconnects or links. In particular, a shared echelle grating is used as a wavelength-selective filter or control device for multiple lasing cavities to achieve self-registered and accurate lasing-channel spacing without inter-channel gain competition. Furthermore, the optical source can be used to provide all the wavelength channels in one optical waveguide or in separate optical waveguides. Therefore, the optical source may be used with cascaded ring-resonator modulators and/or electro-absorption-based broadband modulators.06-19-2014
20140169737TRANSCEIVER WITH SELF-REGISTERED WAVELENGTHS - An integrated optical component outputs and receives an optical signal that provides a comb of modulated wavelengths for use in wavelength-division-multiplexing (WDM) optical interconnects or links. In particular, a shared echelle grating is used as a wavelength-selective filter or control device for multiple lasing cavities to achieve self-registered and accurate lasing-channel spacing without inter-channel gain competition for multiplexing modulated wavelength channels into one transmit port, and for receiving and de-multiplexing WDM wavelength channels simultaneously. The wavelength alignment between a pair of such transceivers can be achieved by tuning the echelle grating on one side using thermal-optical or electro-optical effects. Furthermore, tunable ring-resonator modulators, broadband electro-absorption modulators (EAMs) or Mach-Zehnder Interferometer (MZI) optical modulators on the shared output waveguide outside of the lasing cavities can be used to modulate the wavelengths. The optical component can be used to provide all the wavelength channels in one optical waveguide.06-19-2014
20140246571REFLECTION-ENHANCED PHOTO-DETECTOR - An integrated optical device includes a photo-detector (such as germanium) optically coupled to an optical waveguide. This photo-detector is deposited on the optical waveguide, and an optical signal propagating in the optical waveguide may be evanescently coupled to the photo-detector. In order to increase the absorption length of the photo-detector, a mirror (such as a distributed Bragg reflection grating) is included in the optical waveguide near the end of the photo-detector. This mirror reflects the optical signal back toward the photo-detector, thereby increasing the absorption of the optical signal by the photo-detector. In addition, absorption may be reduced by using electrical contacts that are electrically coupled to the photo-detector at locations where the optical mode of the optical signal is largely in the underlying optical waveguide, and by using a fingered metal layer to couple to the electrical contacts.09-04-2014
20140268312HYBRID OPTICAL SOURCE WITH SEMICONDUCTOR REFLECTOR - A hybrid optical source that provides an optical signal having a wavelength is described. This hybrid optical source includes an edge-coupled optical amplifier (such as a III-V semiconductor optical amplifier) aligned to a semiconductor reflector (such as an etched silicon mirror). The semiconductor reflector efficiently couples (i.e., with low optical loss) light out of the optical amplifier in a direction approximately perpendicular to a plane of the optical amplifier. A corresponding optical coupler (such as a diffraction grating or a mirror) fabricated on a silicon-on-insulator chip efficiently couples the light into a sub-micron silicon-on-insulator optical waveguide. The silicon-on-insulator optical waveguide couples the light to additional photonic elements (including a reflector) to complete the hybrid optical source.09-18-2014
20150086149TUNABLE SILICON GRATING COUPLERS - A photonic integrated circuit (PIC) is described. This PIC includes a grating coupler for surface-normal coupling that has an alternating pattern of grating teeth and grating trenches, where the grating trenches are filled with an electro-optical material. By applying an electric potential to the grating teeth, the index of refraction of the electro-optical material can be modified.03-26-2015
20150086219ENHANCED OPTICAL MODULATION USING SLOW LIGHT - A photonic integrated circuit (PIC) is described. This PIC includes a semiconductor-barrier layer-semiconductor diode in an optical waveguide that conveys an optical signal, where the barrier layer is an oxide or a high-k material. Moreover, semiconductor layers in the semiconductor-barrier layer-semiconductor diode may include geometric features (such as a periodic pattern of holes or trenches) that create a lattice-shifted photonic crystal optical waveguide having a group velocity of light that is lower than the group velocity of light in the first semiconductor layer and the second semiconductor layer without the geometric features. The optical waveguide is included in an optical modulator, such as a Mach-Zehnder interferometer (MZI).03-26-2015
20150109661REFLECTOR BASED ON A DIRECTIONALLY COUPLED OPTICAL LOOP - An optical device includes an optical reflector based on a coupled-loopback optical waveguide. In particular, an input port, an output port and an optical loop in arms of the optical reflector are optically coupled to a directional coupler. The directional coupler evanescently couples an optical signal between the arms. For example, the directional coupler may include: a multimode interference coupler and/or a Mach-Zehnder Interferometer (MZI). Moreover, destructive interference during the evanescent coupling determines the reflection and transmission power coefficients of the optical reflector.04-23-2015

Patent applications by Ying L. Luo, San Diego, CA US

Ying Wen Luo, City Of Industry, CA US

Patent application numberDescriptionPublished
20110091826Lighting fixture lighter - A lighting fixture lighter includes a frame body including a light transmitting window, a flame generator, and an illumination fixture built-in with the lighter for generating illumination light for illumination purpose. The illumination fixture includes a power source, a light source unit supported within a light compartment and aligning with the light transmitting window, and a light button to activate the light source unit for generating an illumination light, so that the illumination light is emitted out of the light transmitting window for illumination purpose. In order to enhance the light intensity of the light source unit, a light reflector is further provided within the light compartment for reflecting the illumination light from the light source unit, such that the lighter not only provides the traditional ignition function, but also provides an added on illumination function in the single compact lighter housing.04-21-2011

Yiqi Luo, El Cerrito, CA US

Patent application numberDescriptionPublished
20100055664ENCLOSED MEMBRANE-CLAMPING DEVICES FOR RUNNING BIOLOGICAL ASSAYS ON MEMBRANE SURFACES - An enclosed membrane-clamping (EMC) device is disclosed for running biological assays on membrane surfaces, such as Western blotting. The EMC device comprises a cover plate and a support plate, which can be coupled through a sealing mechanism. The cover plate, the support plate and the sealing mechanism are shaped such that their inner surfaces form one or more enclosed chambers. When in use, a blotting membrane is placed between the cover plate and the support plate, and clamped in the chamber formed in the EMC device. The EMC device is coupled with an assisting device to realize automation of manipulations. Liquid-phase target solutions are introduced into the chamber through its inlet and outlet to realize surface-molecular interactions between the target on the blotting membrane and the targets introduced in liquid phase. The chamber with a small vertical dimension is capable of achieving the blotting assays at a higher speed.03-04-2010

Yiqi Luo, Mountain View, CA US

Patent application numberDescriptionPublished
20120154814Surface plasmon resonance (SRP) microscopy systems, method of fabrication thereof, and methods of use thereof - Surface plasmon resonance (SPR) microscopy systems, methods of making SPR microscopy systems, methods of measuring and detecting the presence of one or more compounds present in a sample using the SPR microscopy system, and the like, are disclosed. In an embodiment, a surface plasmon resonance (SPR) microscopy system can include an integrated microfluidic chip that includes a plurality of layers, an SPR imaging system, and a pressure manifold to actuate flow control components in the integrated microfluidic chip.06-21-2012

Yong Luo, Cupertino, CA US

Patent application numberDescriptionPublished
20110315856ANALOG SILICON PHOTOMULTIPLIER USING PHASE DETECTION - An analog silicon photomultiplier system includes at least one analog pixel comprising a plurality of analog photodiodes (APDs), and a capacitor, a signal generator, a phase detector, and a compensation network. The signal generator is configured to generate and propagate a sinusoidal signal concurrently along first and second transmission lines. A capacitor is loaded on the first transmission line when an APD corresponding to the capacitor detects a photon. The phase detector is coupled with the first and second transmission lines, determines a phase difference between the first transmission line and the second transmission line and calculates a number of APDs that have fired from the phase difference. The compensation network is coupled with the second transmission line and the phase detector, and comprises a plurality of compensation capacitors, wherein the compensation capacitors are loaded on the second transmission line in proportion to the number of APDs that have fired.12-29-2011
20150067206MULTI-PROTOCOL SERIAL COMMUNICATION INTERFACE - Systems and methods for multi-protocol serial communication interfaces are described. One example system includes an interface module including a buffer for storing a protocol selection. The system includes a protocol module coupled to the interface module and configured for providing one or more serial communication protocols. Based on the protocol selection, one of the serial communication protocols is selected. The system also includes a serial engine module coupled to the interface module and the protocol module. The serial engine module is configured for transmitting and receiving data or commands based on the selected serial communication protocol.03-05-2015

Yong Luo, Sunnyvale, CA US

Patent application numberDescriptionPublished
20140211797MANAGING MULTICAST DISTRIBUTION USING MULTICAST TREES - A method includes receiving multicast traffic intended for host devices; identifying a flow associated with the multicast traffic; retrieving information associated with a group of multicast trees, where the group of multicast trees includes information associated with a group of I/O units, associated with a network node; identifying a particular tree that corresponds to the identified flow, where the particular tree includes information associated with a set of I/O units; and transferring the multicast traffic to an I/O unit, of the set of I/O units, based on the identification of the particular tree, where the transferring enables the I/O unit to send a copy of the multicast traffic to other I/O units of the set of I/O units, and the set of I/O units to process the multicast traffic in a manner that utilizes bandwidth or processing resources in a controlled manner and to send a copy of the multicast traffic to each of the host devices.07-31-2014

Yunping Luo, San Diego, CA US

Patent application numberDescriptionPublished
20090275642DNA COMPOSITION FOR ELICITING AN IMMUNE RESPONSE AGAINST TUMOR-ASSOCIATED MACROPHAGES - The present invention provides a DNA composition comprising a DNA minigene construct that encodes for a polypeptide comprising a plurality of immunogenic fragments of a cysteine endopeptidase that is expressed in tumor-associated cells. The immunogenic fragments are joined together serially by a linker peptide between each successive fragment in the polypeptide. The polypeptide is capable of eliciting an immune response against the tumor-associated cells, is expressible in immune cells, and is incorporated in a pharmaceutically acceptable carrier.11-05-2009
20100136058DNA vaccines against tumor growth and methods of use thereof - A DNA vaccine suitable for eliciting an immune response against cancer cells comprises a polynucleotide construct operably encoding an a Fra-1 protein, such as a polyubiquitinated human Fra-1 protein, and IL-18, such as human IL-18, in a pharmaceutically acceptable carrier. In a preferred embodiment, the polynucleotide construct is operably incorporated in an attenuated bacterial vector, such as an attenuated 06-03-2010
20120058177NANOPARTICLE-BASED TUMOR-TARGETED DRUG DELIVERY - The present invention provides an aqueous tumor-targeting liposome nanoparticle composition comprising an aqueous dispersion of liposome nanoparticles. The nanoparticles preferably encapsulate an anti-cancer chemotherapeutic agent, which can be added to a pre-formed liposome composition or can be incorporated in the liposomes during the formation of the liposomes. The liposome nanoparticles comprise a legumain-targeting lipid admixed with one or more other micelle or vesicle-forming lipid materials in the form of nanoparticulate liposomes dispersed in an aqueous carrier. A preferred tumor-targeting liposome nanoparticle composition comprises (a) a legumain-targeting lipid component, (b) a zwitterionic lipid component; (c) an amino-substituted lipid component; (d) a neutral lipid component; and (e) polyethylene glycol-conjugated lipid component. The legumain-targeting lipid component comprising a hydrophobic lipid portion covalenetly attached to a legumain-binding moiety.03-08-2012
20130330399NANOPARTICLE-BASED TUMOR-TARGETED DRUG DELIVERY - The present invention provides an aqueous tumor-targeting liposome nanoparticle composition comprising an aqueous dispersion of liposome nanoparticles. The nanoparticles preferably encapsulate an anti-cancer chemotherapeutic agent, which can be added to a pre-formed liposome composition or can be incorporated in the liposomes during the formation of the liposomes. The liposome nanoparticles comprise a legumain-targeting lipid admixed with one or more other micelle or vesicle-forming lipid materials in the form of nanoparticulate liposomes dispersed in an aqueous carrier. A preferred tumor-targeting liposome nanoparticle composition comprises (a) a legumain-targeting lipid component, (b) a zwitterionic lipid component; (c) an amino-substituted lipid component; (d) a neutral lipid component; and (e) polyethylene glycol-conjugated lipid component. The legumain-targeting lipid component comprising a hydrophobic lipid portion covalenetly attached to a legumain-binding moiety.12-12-2013

Patent applications by Yunping Luo, San Diego, CA US

Zheng Luo, Santa Clara, CA US

Patent application numberDescriptionPublished
20110194214HIGH DIMMING RATIO CONTROL AND SHORT CIRCUIT PROTECTION FOR LED DRIVE WITH STEP UP CONVERTER - The present invention discloses a step up circuit with output floating for driving a load such as a LED or a series of LEDs in a string. The step up circuit comprises an input port, an output port, an inductor, an input capacitor, an output capacitor, a first switch, a second switch and a third switch. The third switch S08-11-2011
20130176009SMART LOW DROP-OUT VOLTAGE REGULATOR AND ASSOCIATED METHOD - The present disclosure discloses a low drop-out voltage regulator and an electronic device comprising the same. The present disclosure also discloses a method for converting a power supply voltage to a regulated output voltage. The low drop-out voltage regulator comprises a pass device controllable to convert a power supply voltage to a regulated output voltage; and a controller configured to receive an input signal and to provide a driving signal to the control terminal of the pass device based on the input signal, wherein when the input signal is within a predetermined range, the driving signal turns the pass device ON, and the power supply voltage charges the output voltage; and wherein when the input signal is without the predetermined range, the driving signal turns the pass device OFF, and the power supply voltage stops charging the output voltage.07-11-2013

Zheng Luo, San Jose, CA US

Patent application numberDescriptionPublished
20130264964LED DRIVER CIRCUITS WITH CURRENT ENVELOPE CONTROL - A light emitting diode (LED) driver circuit controls switching of an output transistor. The LED driver circuit monitors inductor current flowing through an output inductor that is coupled to one or more LEDs. In response to detecting that the inductor current has reached a peak value, the LED driver circuit switches OFF the output transistor. The LED driver circuit switches ON the output transistor in response to detecting zero crossing of the inductor current. The LED driver circuit may detect zero crossing of the inductor current from a gate voltage of the output transistor by detecting for a negative spike.10-10-2013

Zhiyun Luo, San Jose, CA US

Patent application numberDescriptionPublished
20110254084STRUCTURES AND METHODS OF FABRICATING DUAL GATE DEVICES - First polysilicon (poly-1) is deposited into deep trenches that have been formed in a substrate. A first polysilicon polishing process is performed to planarize the exposed surfaces of the poly-1 so that the surfaces are flush with adjacent surfaces. Then, shallow trenches are formed in the substrate between the deep trenches, and second polysilicon (poly-2) is deposited into the shallow trenches. A second polysilicon polishing process is performed to planarize the exposed surface of the poly-2 so that the surface is flush with adjacent surfaces. Metal contacts to the poly-1 and the poly-2 are then formed.10-20-2011
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