Zhiyu
Zhiyu Chen, Chicago, IL US
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20130190475 | DRUG-LIGAND CONJUGATES, SYNTHESIS THEREOF, AND INTERMEDIATES THERETO - The present invention relates to methods for synthesizing compounds of formula I or pharmaceutically acceptable salts thereof: I wherein each of X, Alk | 07-25-2013 |
Zhiyu Hu, Knoxville, TN US
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20090107535 | SOLID STATE TRANSPORT-BASED THERMOELECTRIC CONVERTER - A solid state thermoelectric converter includes a thermally insulating separator layer, a semiconducting collector and an electron emitter. The electron emitter comprises a metal nanoparticle layer or plurality of metal nanocatalyst particles disposed on one side of said separator layer. A first electrically conductive lead is electrically coupled to the electron emitter. The collector layer is disposed on the other side of the separator layer, wherein the thickness of the separator layer is less than 1 μm. A second conductive lead is electrically coupled to the collector layer. | 04-30-2009 |
20100155414 | Method for automatic microfluidic fragrance dispensing - A method and apparatus for dispensing fragrance into the air in the vicinity of the user comprises a liquid reservoir and a solid-state microfluidic controller actuated by a solid-state switching device. The microfluidic device is designed to pump the fragrant material onto the surface of the device, from which the material evaporates, thereby releasing a scent under the manipulation of an electrical circuit, which is preferably battery powered. The entire device consisting of fluid reservoir, pump or valve, power supply, and electronic controls, is preferably small enough to be conveniently attached to clothing or worn by the user. The device may further be contained in a substantially decorative housing and worn like jewelry. The device may be pre-programmed to dispense automatically according to a preset cycle, or it may be adjustable or programmable to some degree by the user. | 06-24-2010 |
Zhiyu Li, Zhuhai CN
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20140289601 | METHOD FOR CONTROLLING ELECTRONIC SPREADSHEET ON HANDHELD TOUCH DEVICE - The present invention relates to a method for controlling an electronic spreadsheet on a handheld touch device, comprising an operation procedure, a display procedure and a recovery procedure. The operation procedure comprises: receiving a selection touch control signal for selecting cells, determining selected cells in an electronic spreadsheet according to the selection touch control signal, calculating according to a preset processing method, and storing the calculation result. The display procedure comprises: receiving a first touch control signal for controlling movement of an electronic spreadsheet from an initial position of the electronic spreadsheet to an interim position, moving the electronic spreadsheet from the initial position of the electronic spreadsheet to the interim position according to the first touch control signal to expose a blank area, querying whether the calculation result exists or not, and if yes, displaying the calculation result in the blank area. The recovery procedure comprises: receiving a second touch control signal for controlling movement of the electronic spreadsheet from the interim position to the initial position of the electronic spreadsheet, and moving the electronic spreadsheet to the initial position of the electronic spreadsheet according to the second touch control signal to cover the blank area. The calculation result can be displayed clearly by using the method, thereby facilitating use by users. | 09-25-2014 |
Zhiyu Liu, Shenyang City CN
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20140296496 | METHOD FOR EXTRACTING BROWN ALGAE POLYSACCHARIDE VIA MICROWAVE CHEMICAL PROCESS - This invention relates to an extraction process of brown algae polysaccharides in a field of pharmaceutical chemistry. This invention particularly discloses a process of extracting brown algae polysaccharides based on a microwave chemistry method and brown algae polysaccharides obtained by said process. The process of the invention comprises: 1) putting pulverized brown algae powder into a microwave reaction chamber, adding acid solution to conduct reaction; optionally concentrating the mixer, and then washing with organic solvent to remove excess acid; conducting grading alcohol precipitation after water extract to obtain mannuronic acid rich fragment (M rich) algin, fucoidan and/or laminaran respectively; and adding an alkali solution to the brown algae residue to conduct alkaline digestion, filtering the residue off, adjusting pH of the filtrate to neutral, conducting alcohol precipitation to obtain guluronic acid rich fragment (G rich) algin precipitates. The present invention has significant advantages like fast processing rate, high yield of polysaccharides, strong controllable polysaccharide degradation, using less organic acid and efficient recovery, small water consumption, low power consumption, etc., the active polysaccharides has high yield and content, better water-soluble, and good biological activities. | 10-02-2014 |
20140309414 | METHOD FOR EXTRACTING POLYSACCHARIDES FROM HIGHER PLANTS AND FUNGI THROUGH MICROWAVE CHEMICAL TREATMENT - This invention relates to a field of pharmaceutical chemistry, relates to a process of extracting high water soluble polysaccharides from higher plants or fungi. The present invention discloses a process of extracting higher plants and fungi polysaccharides based on a microwave chemistry method, comprising: putting the residue or pulverized higher plants and fungi after being degreased by an organic solvent into a microwave reaction chamber to react with an acid solution; and then distilling to remove excess acid or washing with organic solvent to remove the acid; adding water solution for extraction, subjecting the extracting solution after concentration to alcohol precipitation, separating precipitates aka polysaccharides therefrom. | 10-16-2014 |
Zhiyu Liu, Shenzhen CN
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20090303750 | METHOD AND SYSTEM OF SYNTONIC CIRCUIT MODULATION CONTROLLING - A modulation control method and system for a resonance circuit that generally relate to electrical communication technique. In the system, a controlling chip of the resonance circuit is connected to associated controlling means providing voltage matching and resistance control. The controlling means provides controlling parameters to the chip in accordance with input voltage. The controlling chip modulates the resonance circuit accordingly. A phase-shifting pulse width modulation controlling chip or a pulse width modulation controlling chip is connected to a voltage matching module and a resistance controlling module, wherein the voltage matching module matches the voltage ranges and the resistance controlling module adjusts the equivalent resistance of RT terminal to the external as the voltage of loop circuit changes accordingly. In the method, a controlling chip is used to realize a controlling mode of frequency modulation, pulse width modulation, and combination thereof with respect to the resonance circuit through the voltage matching module and the resistance controlling module. The present invention is advantageous in low cost and high efficiency. | 12-10-2009 |
Zhiyu Liu, Beijing CN
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20080231505 | Method of Source Number Estimation and Its Application in Method of Direction of Arrival Estimation - The present invention provides a method of source number estimation based on eigenspace in DOA estimation, including: (1) obtaining signals received by uniform linear array; (2) calculating a covariance matrix according to the received signals; (3) calculating a complex-valued covariance matrix or a covariance matrix after real-valued computations; (4) conducting eigendecomposition to the covariance matrix to obtain its eigenvector matrix; (5) calculating a source number decision based on the eigenvector; (6) calculating a ratio; and (7) source number estimation. The present invention can accurately estimate source number and save huge amounts of computation during signal processing in DOA estimation, and lower the cost of hardware. | 09-25-2008 |
20110258305 | Servlet API and Method for XMPP Protocol - A communication system and method include a server hosting an interactive voice response or self-help application in a Java virtual machine. In order to leverage the advantages and facilities of the Java servlet model, a Java XMPP (Extensible Messaging and Presence Protocol) servlet container is provided for the server so that the communication application can be programmed with objects defined by an XMPP servlet API, as well as objects defined by the standards-based Java EE platform such as HTTP and SIP servlets, in order to service an XMPP client. In addition to the generic class objects of the Java servlet model, the API also provides a set of XMPP-specific class objects. The Java XMPP servlet container includes a network point at a transport level for handling network connections, an XMPP service layer for managing XMPP sessions and streams, and an application layer for managing XMPP stanzas. | 10-20-2011 |
20110258597 | Unified Framework and Method for Call Control and Media Control - A communication system and method include a server hosting an interactive voice response or self-help application in a Java virtual machine. The communication application is programmed with a unified communication API, which is provided by a unified application framework. The API provides a set of unified class objects for call control and media control. The unified class objects are constructed from class object primitives of individual standards-based Java call control API and media control API. The constructs are a structured and restricted set conforming to the object model of the application and its states. The API has a unified event handler for both call and media controls and dispatches events to the application based on the type of event and the application state of the object model. | 10-20-2011 |
20120016932 | System And Method For Telephony And Communication Services With Message-Based API - A communication application server is provided with a unified framework for call control and media control. The framework supports a unified API having class objects and functions conforming to a telephony object model. The class objects are invoked and manipulated by a finite set of commands and an application program essentially issues a series of such commands to operate the communication application server. More particularly, an API server on the communication application server defining a messaging API protocol enables an application script to pass commands remotely to the communication application server to operate it. This allows application scripts to be processed remotely by appropriate scripting engines. In this way, application scripting is decoupled from the operation of the communication application server, which only needs to focus on providing basic communication services. | 01-19-2012 |
Zhiyu Liu, Fushun CN
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20140128654 | Reactor and Alkylation Process Using the Reactor - The present disclosure provides a reactor for at least two liquid materials, comprising an enclosed reactor housing; a feeding tube having liquid material inlets for receiving corresponding liquid materials respectively; a distribution tube communicating with the feeding tube and extending into the reactor housing, the distribution tube being provided with a plurality of distribution holes in the region thereof extending into the reactor housing; a rotating bed in form of a hollow cylinder, which is disposed in the reactor housing via a fixing mechanism, thus dividing inner cavity of the reactor housing into a central area and an outer area, the rotating bed being capable of rotating driven by a driving mechanism; and a material outlet provided in a lower portion of the reactor housing for outputting product after reaction. The distribution tube extends into the central area spaced from inner surface of the rotating bed, so that materials can enter into the outer area from the central area through the rotating bed and can be output via the material outlet. | 05-08-2014 |
Zhiyu Pan, Saratoga, CA US
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20140102194 | TRI-AXIS ACCELEROMETER HAVING A SINGLE PROOF MASS AND FULLY DIFFERENTIAL OUTPUT SIGNALS - A tri-axis accelerometer includes a proof mass, at least four anchor points arranged in at least two opposite pairs, a first pair of anchor points being arranged opposite one another along a first axis, a second pair of anchor points being arranged opposite one another along a second axis, the first axis and the second axis being perpendicular to one another, and at least four spring units to connect the proof mass to the at least four anchor points, the spring units each including a pair of identical springs, each spring including a sensing unit. | 04-17-2014 |
Zhiyu Pan, Mountain View, CA US
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20080218295 | MEMS resonator array structure and method of operating and using same - A plurality of mechanically coupled MEMS resonators that are arranged in an N x M MEMS array structure. Each MEMS resonators includes a plurality of straight (or substantially straight) elongated beam sections that are connected by curved/rounded sections. Each elongated beam section is connected to another elongated beam section at a distal end via the curved/rounded sections thereby forming a geometric shape (e.g., a rounded square). Further, each resonator is mechanically coupled to at least one other adjacent resonator of the array via a resonator coupling section. The resonator coupling sections may be disposed between elongated beam sections of adjacent resonators. The resonators, when induced, oscillate at the same or substantially the same frequency. The resonators oscillate in a combined elongating (or breathing) mode and bending mode; that is, the beam sections exhibit an elongating-like (or breathing-like) motion and a bending-like motion. The one or more of the resonators of the array structure may include one or more nodal points or areas (i.e., portions of the resonator that are stationary, experience little movement, and/or are substantially stationary during oscillation of the resonator/array) in one or more portions or areas of the curved sections of the structure. The nodal points are suitable and/or preferable locations to anchor the resonator/array to the substrate. | 09-11-2008 |
Zhiyu Shen, Blacksburg, VA US
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20130099800 | ALGORITHM AND IMPLEMENTATION SYSTEM FOR MEASURING IMPEDANCE IN THE D-Q DOMAIN - A controller and infrastructure for an impedance analyzer measures responses to perturbations to respective phases of a multi-phase system at an interface between stages thereof (which may be considered as a source and load in regard to each other), such as a multi-phase electrical power system, to determine a transfer function for each phase of the multi-phase system from which the impedance of each of the source and load can be calculated, particularly for assessing the stability of the multi-phase system. | 04-25-2013 |
20140032147 | System and Method for Impedance Measurement Using Chirp Signal Injection - A method for impedance measurement using chirp signal injection is provided. The method includes injecting at least one chirp signal into the three-phase AC system, and collecting at least one response to the at least one chirp signal. The method further includes transferring the at least one response from abc coordinates to dq coordinates. At least one impedance is calculated based on the at least one response to the at least one chirp signal. | 01-30-2014 |
20140032148 | System and Method for Impedance Measurement Using Series and Shunt Injection - A method for impedance measurement in a three-phase AC system is provided. The method includes injecting a shunt perturbation signal into the three-phase AC system and collecting a response to the shunt perturbation signal, and injecting a series perturbation signal into the three-phase AC system and collecting a response to the series perturbation signal. The response to the shunt perturbation signal and the response to the series perturbation signal are then transferred from abc coordinate to dq coordinates. At least one impedance of the three-phase AC system is calculated based on the response to the shunt perturbation signal and the response to the series perturbation signal. | 01-30-2014 |
Zhiyu Wang, Beijing CN
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20140147039 | TECHNIQUES FOR FEATURE EXTRACTION - A computer-implemented technique for feature extraction includes obtaining an electronic image of an object and performing an edge detection algorithm on the electronic image. The technique further includes performing an edge pooling algorithm and sampling the electronic image edge patches, color patches and texture patches. A set of patches is selected from the edge patches, color patches and texture patches by selecting an (i | 05-29-2014 |
Zhiyu Wang, Jinan CN
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20140085155 | GYROTROPIC METAMATERIAL STRUCTURE - A gyrotropic metamaterial structure that include a plurality of chiral metamaterials forming one or more pairs of dipole structures. A plurality of lumped circuits are positioned between the one or more pairs of dipole structures. The lumped circuits have a plurality of subwavelengths antennas that are combined to change the polarization states of an incident polarized wave by producing Faraday-like rotation allowing for nomeciprocal propagation of the incident polarized wave. | 03-27-2014 |
Zhiyu Wang, Hangzhou CN
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20150116059 | COMPACT MICROSTRIP BANDPASS FILTER WITH MULTIPATH SOURCE-LOAD COUPLING - A method and device for a compact microstrip bandpass filter that includes an input terminal, an output terminal, a plurality of quarter-wavelength resonators, a resonant disk, a plurality of layers, and a microstrip line which connects the resonant disk to a joint point of the quarter-wavelength resonators. A method of forming two signal paths in a compact microstrip bandpass filter includes forming a first signal path between an input terminal and an output terminal of the filter with a plurality of quarter-wavelength resonators with a resonant disk and a microstrip line which connects the resonant disk to a joint point of the quarter-wavelength resonators. The method includes forming a second signal path of the quarter-wavelength resonators, the filter includes a plurality of layers. | 04-30-2015 |
Zhiyu Wu, Fuzhou CN
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20110290877 | BARCODE DECODING CHIP - An exemplary barcode decoding chip includes a scan module, a boundary identification module, a direction identification module, a bar space boundary processing module, a symbol parameter identification module, a symbol character acquisition module, and a decoding module. | 12-01-2011 |
20110290884 | BAR CODE DECODING DEVICE - An exemplary bar code decoding unit includes an interface unit. The bar code image is input into the bar code decoding unit via the interface unit, and the bar code decoding unit decodes the bar code image and outputs decoded information via its interface unit. | 12-01-2011 |
Zhiyu Xu, Cypress, TX US
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20150337646 | Magnetostrictive Apparatus and Method for Determining Position of a Tool in a Wellbore - A system, method and apparatus for controlling a downhole operation is disclosed. A tool is operated to perform the downhole operation at a selected downhole location using a first value of an operation parameter of the tool. A magnetostrictive position sensor is used to determine a relative position along a section of a wellbore related to the operation being performed using the first value of the operation parameter. The determined relative position is compared to a selected threshold. The operation parameter is altered to a second value based on the comparison of the relative position to the selected threshold. | 11-26-2015 |
Zhiyu Xu, Shenzhen CN
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20150208199 | Method and apparatus for obtaining floating information of user floating between administrative regions - Disclosed are a method and an apparatus for obtaining the floating information of users floating between administrative regions. The method comprises: within a floating information statistical time range for mobile phone users, making statistics for mobile phone users entering an administrative region by using final effective location information corresponding to a location update request sent by a mobile phone entering the administrative region, corresponding international mobile subscriber identity IMSI_LUP information, and a Location Area Code LAC_CONF set of the administrative region; and within the floating information statistical time range for mobile phone users, making statistics for mobile phone users leaving the administrative region by using international mobile subscriber identity IMSI_LC information of a cancel location message sent by all Home Location Registers (HLR) in the administrative region. The present invention can accurately acquire the floating condition of the inter-city, inter-province, and inter-country international mobile subscribers. | 07-23-2015 |
Zhiyu Yan, Shenzhen CN
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20130070708 | METHOD AND DEVICE FOR CONFIGURING CENTRAL SUBCARRIER - A method and a device for configuring a central subcarrier are disclosed. The method comprises: mapping a first downlink control channel onto a part (f | 03-21-2013 |
20130089051 | METHOD AND APPARATUS FOR DATA TRANSMISSION IN RADIO NETWORK - The disclosure provides a method and apparatus for data transmission in a radio network. The method includes: a first access point sends transmission information of a data channel allocated to a user terminal to a second access point, enabling the second access point sending data to the user terminal through the data channel according to the transmission information of the data channel, where the first access point sends no data through the data channel, or sends data through the data channel to other user terminals than the user terminal through the data channel at a transmit power less than or equal to a first power. The technical solution of the present disclosure can avoid channel interference between the second access point and the first access point in a heterogeneous network scenario, and improve transmission performance. | 04-11-2013 |
20150131599 | METHOD FOR TRANSMITTING AND RECEIVING DOWNLINK CONTROL INFORMATION, SERVING NODE AND USER EQUIPMENT - The invention discloses a method for transmitting and receiving downlink control information, a serving node and a user equipment. The method comprises: determining, by a serving node of a interfered UE, a protected resource, wherein the protected resource is located in at least one of the followings: a physical resource corresponding to a USS in a PDCCH, a physical resource corresponding to an expanded CSS in the PDCCH, a physical resource corresponding to a USS in an E-PDCCH or a physical resource corresponding to a CSS of the E-PDCCH; transmitting, by the serving node, first downlink control information of an interfered cell on the protected resource, wherein the first downlink control information comprises scheduling information for scheduling a paging message and/or a SIB1 message of the interfered cell. The invention can reduce the interference to a system broadcast message, a paging message and the like in a heterogeneous network. | 05-14-2015 |
20150334739 | UPLINK TRANSMISSION METHOD, BASE STATION AND USER EQUIPMENT - Embodiments of the present invention provide an uplink transmission method, a base station and a user equipment. The method includes: receiving uplink split information sent by a first base station, wherein the uplink split information is used for instructing a second base station to receive data in buffers corresponding to N1 logic channel groups of a user equipment, the N1 logic channel groups are determined by the first base station from a BSR sent by the UE, and N1 is a positive integer larger than 0; determining N2 logic channel groups from the N1 logic channel groups, wherein N2 is a non-negative integer smaller than or equal to N1; and sending feedback information to the first base station, wherein the feedback information is used for indicating the determined result. In an embodiment of the present invention, a flexibility of the uplink transmission is improved. | 11-19-2015 |
Zhiyu Yang, Nanjing, Jiangsu CN
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20150341951 | Resource Scheduling in a Wireless Communication Network - A method and a communication node of resource scheduling in a wireless communication network are disclosed. In the method, the network comprises N neighbouring cells indexed by i which share the same frequency band, where i=0, . . . , N−1, N>=3. In the method, available frequency resources of the frequency band are divided into N subsets indexed by j, where j=0, . . . , N−1. The frequency resources in each of the subsets are not consecutive. The N subsets are allocated to the N cells in downlink subframes of a frame. The subsets allocated to each of the cells may vary among downlink subframes indexed by k, where k=0, . . . , K−1, K being the number of downlink subframes in the frame. | 11-26-2015 |
Zhiyu Yang, Taizhou CN
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20130164251 | MUTANT G-CSF FUSION PROTEIN, AND PREPARATION AND USE THEREOF - The present invention relates to a mutant G-CSF fusion protein. The mutant G-CSF fusion protein is a fusion protein having the activity of stimulating the proliferation of neutrophilic granulocytes, and having a basic structure of G-CSF/carrier protein or carrier protein/G-CSF; wherein the G-CSF moiety comprises multipoint substitutions thus resulting in changes in biological activity and binding affinity. Compared with existing products, the mutant G-CSF fusion protein in the present invention has longer half-life and higher biological activity. Administration of the pharmaceutical preparation containing this mutant G-CSF fusion protein could be used in the treating neutropenia. | 06-27-2013 |
Zhiyu Yang, Kowloon CN
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20140116802 | ACOUSTIC METAMATERIAL WITH SIMULTANEOUSLY NEGATIVE EFFECTIVE MASS DENSITY AND BULK MODULUS - A device with simultaneous negative effective mass density and bulk modulus has at least one tubular section and front and back membranes sealing the tubular section. The front and back membranes sealing the tubular sections seal the tubular section sufficiently to establish a sealed or restricted enclosed fluid space defined by the tubular section and the membranes, and restrict escape or intake of fluid resulting from acoustic vibrations. A pair of platelets are mounted to the membranes, with the individual platelets substantially centered on respective ones of the front and back membranes. | 05-01-2014 |
Zhiyu Yang, Kwoloon CN
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20140060962 | ACOUSTIC AND VIBRATIONAL ENERGY ABSORPTION METAMATERIALS - An acoustic/vibrational energy absorption metamaterial includes at least one enclosed planar frame with an elastic membrane attached having one or more rigid plates are attached. The rigid plates have asymmetric shapes, with a substantially straight edge at the attachment to said elastic membrane, so that the rigid plate establishes a cell having a predetermined mass. Vibrational motions of the structure contain a number of resonant modes with tunable resonant frequencies. | 03-06-2014 |
Zhiyu Zeng, Yueyang CN
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20150247098 | REFORMATE HYDROTREATMENT METHOD - Provided is a reformate hydrotreatment method, the method comprising: under liquid phase hydrotreatment conditions, bringing the reformate and a catalyst having a catalytic hydrogenation effect into contact in a hydrogenation reactor, the hydrogen used in the hydrotreating process at least partially coming from the hydrogen dissolved in the reformate. According to the method of the present invention, the reformate separated from a reformate products separating tank can directly undergo liquid phase hydrotreatment; therefore not only can the hydrogen dissolved in the reformate be fully utilized, but the olefins in the reformate can also be removed, while eliminate the requirements for recycle hydrogen and a recycle device thereof. The reformate obtained by the method of the present invention reduces the bromine index to below 50 mgBr | 09-03-2015 |
Zhiyu Zhang, Issaquah, WA US
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20140258221 | INCREASING DISTRIBUTED DATABASE CAPACITY - Disclosed are various embodiments for increasing distributed database capacity by adding new nodes while minimizing downtime. A database is partitioned among multiple nodes in a cluster. Each node stores a respective portion of the database. The portions of the database are replicated to corresponding physical standbys. For each portion, a first portion is mapped to an existing node, while a remaining portion is mapped to a physical standby. The cluster is updated to include the physical standbys as additional nodes among which the database is partitioned. | 09-11-2014 |
Zhiyu Zhang, Beijing CN
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20110137438 | Video conference system and method based on video surveillance system - A video conference system based on a surveillance system is disclosed. According to one aspect of the system, there is a surveillance system including a monitoring server and a streaming media server. A gateway is provided to for protocol conversion between a meeting terminal and the monitoring server as well as between a meeting terminal and the streaming media server to facilitate seamless transmission of signal and media streams among all meeting participants (e.g., terminal devices). In addition an audio mixing point and a video forwarding point are created for a meeting to facilitate the data exchange among all meeting participants. | 06-09-2011 |