HONG KONG APPLIED SCIENCE AND TECHNOLOGY RESEARCH INSTITUTE COMPANY LIMITED Patent applications |
Patent application number | Title | Published |
20150196235 | Single-Body Unit for Pulse Oximeter Calibration - An all-solid, single-body unit for calibrating a pulse oximeter that uses probe light beams is provided. A bulk of the unit is substantially composed of a mixture of materials comprising one or more polymer materials that form a flexible solid medium for the bulk of the unit, one or more scattering materials for scattering the probe light beams, and one or more dye materials for attenuating the probe light beams. The flexible solid medium enables a pulsatile rhythmic train of action force received by the unit to be transmitted in the unit during calibrating the pulse oximeter for substantially emulating change of absorbance characteristics of the probe light beams due to pulsing arterial blood. The scattering materials and the dye materials are localized in the flexible solid medium, enabling the unit to be used in calibrating the pulse oximeter without a need for an additional device for further emulation. | 07-16-2015 |
20150098607 | Deformable Surface Tracking in Augmented Reality Applications - A computer implemented method for tracking a marker on a deformable surface in augmented reality (AR) applications, comprising: detecting image-key-points in a currently processed video frame of a video-captured scene; performing key-point-correspondence searching and matching the image-key-points with model-key-points are identified from an original image of the marker, comprising: calculating an key-point matching score for each image-key-point; applying a key-point matching score filter on the key-point matching scores; restricting the searching of the image-key-points in the currently processed video frame to within same mesh block determined in a previously processed video frame of the captured video frames; | 04-09-2015 |
20150070473 | Color-Encoded Fringe Pattern for Three-Dimensional Shape Measurement - This invention discloses using one or more color-encoded fringe patterns for optically, three-dimensionally measuring an object's shape. In one embodiment, a color-encoded fringe pattern comprising a plurality of fringes that are modulated in intensity is configured as follows. An individual fringe selected from the fringes comprises a colored line at a location on the fringe width. The colored line has a line width that is substantially narrower than the fringe width in order that the colored line has a substantially similar intensity over the line width. The individual fringe excluding the colored line has a fringe color that is substantially uniform over the individual fringe. The fringe color is substantially different from the line color. Fringe colors of all the fringes are substantially similar, thereby enabling a major portion of the color-encoded fringe pattern to provide a substantially-uniform illumination color for projection onto the object. | 03-12-2015 |
20150046506 | Configurable Dynamic Load Shedding Method in Distributed Stream Computing system - A computer implemented method of load shedding used in stream computing system that considers the relative importance of each of the applications processing the incoming input data or events. The method of load shedding method also accounts for system physical constraints, such as memories and CPU utilization. The load shedding method first observes the workload of each application and arriving rate of the incoming input data or events. If the system is under an overloading condition, calculate a input data or event drop ratio for each application such that the projected sum of all applications' workload will be at or below the system capacity when the unprocessed input data or events are dropped according to the drop ratio for each application. | 02-12-2015 |
20150030072 | Spatial Scalable Video Coding using Non-Scalable Video CODEC - This invention discloses an encoding apparatus and a decoding apparatus for scalable video coding such that a non-scalable video decoder is usable for decoding a scalable video bit-stream comprising a base layer bit-stream and an enhancement layer bit-stream. In one embodiment, a source video frame is downscaled to give a downscaled video frame, which is then encoded into the base layer bit-stream. The difference between the source video frame and an up-scaled video frame reconstructed from the downscaled video frame in the base layer bit-stream yields a residual frame. The residual frame is partitioned into a number of residual sub-frames each having a resolution that is the downscaled video frame's resolution. The residual sub-frames are encoded into the enhancement layer bit-stream. Thereby, a non-scalable encoder is usable to encode both the downscaled video frame and the residual sub-frames, allowing both bit-streams to be decodable by employing only one non-scalable decoder. | 01-29-2015 |
20140347863 | Lighting Device with Omnidirectional Light Emission and Efficient Heat Dissipation - This invention discloses a lighting device for omnidirectional light emission with efficient heat dissipation. In one embodiment, a lighting device comprises lighting modules circumferentially arranged such that generation of the omnidirectional light is allowable, and a supporting unit attached to each lighting module's heat-dissipating side for providing mechanical support. A space formed by minimally enclosing all the lighting modules includes a first polar opening, a second polar opening opposite thereto, and a ventilation channel between the two polar openings for enabling air flowing through the ventilation channel to carry away at least part of heat obtained from the heat-dissipating sides of the lighting modules to outside said space. A line-of-sight path between the two polar openings is identifiable, allowing a direct flow of air that advances through the ventilation channel between the two polar openings to be realizable, thereby promoting the carrying away of heat to outside said space. | 11-27-2014 |
20140343901 | Method for Optimizing Electrodeposition Process of a Plurality of Vias in Wafer - The presently claimed invention provides a method for optimizing an electrodeposition process of a plurality of vias in a wafer. Instead of simulating a large number of via on the wafer for via filling, a representative via is selected with the maximum value of critical factor, which is a function of process parameters. The filling of the representative via is simulated with different sampling points to find out the filling goodness in order to find out the optimized process windows of process parameters. An optimizer is also disclosed, which either provides sampling points or reduces sampling points under artificial neural network method. Calculation of filling goodness is used for evaluating via filling quality and further comparing among via fillings simulated at different sampling points. Consequently, the method of present invention is able to shorten the simulation time for via filling as well as provide a process window with high accuracy. | 11-20-2014 |
20140339709 | HIGH POWER DIELECTRIC CARRIER WITH ACCURATE DIE ATTACH LAYER - A system for bonding a die to a high power dielectric carrier such as a ceramic dielectric core with double-sided conductive layers is described. In the system, the upper conductive layer has a first area whose surface has a first wettability. A second area that at least partially surrounds the first area has a surface with a second wettability that is greater than the first wettability. During bonding, an adhesive material bonding a chip to the substrate spreads among the first area by a downward force placed on the chip. Due to the difference in wettability, the adhesive material then spreads among the second area by a wetting force generated by the greater second wettability of the second area surface causing the chip to be drawn down until reaching a predetermined position. The predetermined position can be determined by substrate protrusions or substrate cavities. | 11-20-2014 |
20140323886 | Methods and Device for Sensing a Person's Pulse in Traditional Chinese Medicine - This invention discloses a pulse-sensing device and methods for pulse sensing. In one embodiment, the device includes a robotic finger comprising a humanoid-finger structure, and an actuating-force transferring member for transferring an actuating force to the structure at an actuation point thereon and along an actuation direction. One end of the structure is pivotally mounted to a fulcrum and another end has a sensing area. The robotic finger is configured such that, when the sensing area contacts a person's wrist, a first perpendicular distance from the fulcrum to a first line is substantially longer than a second perpendicular distance from the fulcrum to a second line, where the first line is a straight line passing through a sensing point of the sensing area and being substantially perpendicular to the sensing area, and the second line is a straight line passing through the actuation point and orienting along the actuation direction. | 10-30-2014 |
20140289591 | Memory Efficient Implementation of LDPC Decoder - A computer processor implementable method of decoding low-density parity-check (LDPC) code, comprising: receiving a log-likelihood-ratio (LLR) input bitstream; performing a combined bit-deinterleaving and reordering process on the LLR input bitstream and storing in a physical memory space, comprising: determining a logical memory address for each LLR bit in the LLR input bitstream, determining a physical memory address for each LLR bit in the LLR input bitstream from logical memory address of the LLR bit; decoding the LLR input bitstream stored in the physical memory space; and performing a combined de-reordering and de-mapping process on the decoded LLR input bitstream. | 09-25-2014 |
20140247034 | LOW SUPPLY VOLTAGE BANDGAP REFERENCE CIRCUIT AND METHOD - A circuit and method for a bandgap voltage reference operating at 1 volt or below is disclosed, wherein the operational amplifier (A | 09-04-2014 |
20140176238 | DC OFFSET CANCELLATION FOR A MULTI-STAGE AMPLIFIER - This invention provides a multi-stage amplifier incorporating DC offset cancellation. The amplifier has a plurality of series-connected gain stages each of which comprises a differential amplifier unit generating a pair of differential outputs from a pair of differential inputs. In particular, a trailing stage in the plurality of gain stages comprises a digital DC offset cancellation module configured to compensate for a DC offset of the trailing stage's differential amplifier unit. The digital DC offset cancellation module comprises a comparator coupled to the pair of differential outputs of the trailing stage's differential amplifier unit for receiving such differential outputs as inputs for the comparator. Preferably, the comparator has an inherent DC offset that is substantially small. It is preferable that a non-trailing stage of the amplifier comprises an analog DC offset cancellation module for compensating for a DC offset of the non-trailing stage. | 06-26-2014 |
20140176233 | Bandwidth Calibration for Filters - A low power, high accuracy calibration circuit for filter calibration is provided. The calibration circuit includes a chargeable voltage storage element. A first measurement and adjustment circuit determines a charge time required for the voltage of the chargeable voltage storage element to substantially match a reference voltage. The circuit adjusts the voltage storage element to make the charge time approximately equal to a predetermined filter time constant value, the adjustment circuit updating the reference voltage to make the charge time substantially equal to the predetermined filter time constant value and iteratively updating the reference voltage to refine the charge time. A second circuit is configured to have substantially the predetermined filter time constant value based on the adjustment configuration determined by the adjustment of the voltage storage element and the reference voltage of the first circuit. | 06-26-2014 |
20140169677 | PERCEPTUAL BIAS LEVEL ESTIMATION FOR HAND-DRAWN SKETCHES IN SKETCH-PHOTO MATCHING - This invention, which relates to retrieving an object from a video or a photo where the object matches a hand-drawn sketch, discloses a method for automatically estimating a perceptual bias level with respect to a feature of the sketch. The method allows estimation based on the sketch alone without involving an extra database. In one embodiment, the method comprises using an expectation-maximization tensor voting (EMTV) method to analyze a statistical distribution of the feature. The statistical distribution is analyzed by forming an objective function having the statistical distribution's information parameterized by the perceptual bias level, and then maximizing the objective function according to a set of iterative update rules. In another embodiment, the method for automatically estimating a perceptual bias level is incorporated into a method for retrieving one or more objects from an image or video database where the one or more objects match a hand-drawn sketch. | 06-19-2014 |
20140150078 | Anonymous Personal Content Access with Content Bridge - An online content publishing and consumption environment can be modeled such that communities of content consumers (users), such as educational institutes and libraries, are categorized as Content Brokers; content providers, such as book, music, and multimedia publishers, and news sources, are categorized as Content Providers; and a Content Bridge, a standalone component providing the functionalities of the presently claimed invention in the online content publishing and consumption environment. The Content Bridge allows a simpler and loosely-coupled integration with lowered integration cost and effort, as the Content Broker is required to integrate once only with the Content Bridge instead of having to integrate individually with every Content Provider. | 05-29-2014 |
20140149637 | METHOD AND SYSTEM FOR PERFORMING DATA TRANSFER WITH A FLASH STORAGE MEDIUM - This invention discloses a method for data transfer between a host memory and a flash memory module through direct memory access (DMA), and a related data-transfer subsystem. In one embodiment, the subsystem comprises a DMA controller, a flash-memory controller, a data buffer for buffering data transferred between the DMA controller and the flash-memory controller, and a status-register group for storing a current status of the data buffer. The DMA controller and the flash-memory controller are configured such that both of them are allowed to update the current status and to detect a change of the current status during the data transfer, so that a substantial part of the data transfer's process is executed through direct interaction between the DMA controller and the flash-memory controller without involving a central processing unit. The subsystem may further comprise a command storing unit for storing command packages for execution by the flash-memory controller. | 05-29-2014 |
20140131882 | THROUGH-SILICON VIA STRUCTURE WITH PATTERNED SURFACE, PATTERNED SIDEWALL AND LOCAL ISOLATION - This invention discloses a through-silicon via (TSV) structure for providing an electrical path between a first-side surface and a second-side surface of a silicon chip, and a method for fabricating the structure. In one embodiment, the TSV structure comprises a via penetrated through the chip from the first-side surface to the second-side surface, providing a first end on the first-side surface and a second end on the second-side surface. A local isolation layer is deposited on the via's sidewall and on a portion of the first-side surface surrounding the first end. The TSV structure further comprises a plurality of substantially closely-packed microstructures arranged to form a substantially non-random pattern and fabricated on at least the portion of the first-side surface covered by the local isolation layer for promoting adhesion of the local isolation layer to the chip. A majority of the microstructures has a depth of at least 1 μm. | 05-15-2014 |
20140122774 | Method for Managing Data of Solid State Storage with Data Attributes - Different FTL implementations, including the use of different mapping schemes, log block utilization, merging, and garbage collection strategies, perform more optimally than others for different data operations with certain characteristics. The presently claimed invention provides a method to distinguish and categorize the different data operations according to their different characteristics, or data attributes; then deploy the most optimal mapping schemes, log block utilization, merging, and garbage collection strategies depending on the data attributes; wherein the data attributes include, but are not limited to, access frequency, access sequence, access size, request mode, and request write ratio. | 05-01-2014 |
20140098224 | TOUCH AND MOTION DETECTION USING SURFACE MAP, OBJECT SHADOW AND A SINGLE CAMERA - The present invention provides an optical method and a system for obtaining positional and/or motional information of an object with respect to a reference surface, including detecting if the object touches the reference surface, by using a projector and one camera. A surface map is used for mapping a location on the reference surface and a corresponding location in a camera-captured image having a view of the reference surface. In particular, a camera-observed shadow length, i.e. a length of the object's shadow observable by the camera, estimated by using the surface map, is used to compute the object's height above the reference surface (a Z coordinate). Whether or not the object touches the reference surface is also obtainable. After an XY coordinate is estimated, a 3D coordinate of the object is obtained. By computing a time sequence of 3D coordinates, the motional information, such as velocity and acceleration, is obtainable. | 04-10-2014 |
20140049535 | Method and System for Rapid Three-Dimensional Shape Measurement - The present invention discloses a non-contact measurement system for measuring the three-dimensional (3D) shape of an object rapidly by using a unique light pattern and the implementation method thereof. The system comprises a pattern generation unit, a projection unit, a sensing unit and a processing unit. The pattern generation unit generates an enhanced color sequence according to predetermined rules. The sensing unit of the system comprises a hybrid sensor which can be operated in fast mode or precise mode. A dedicated decoding method for the present invention is also disclosed. | 02-20-2014 |
20140036462 | Multiple Surface Integrated Devices on Low Resistivity Substrates - The present invention relates to a device with portions of the device on plural substrate surfaces. The device includes a low resistivity substrate having first and second surfaces with a first electrically-conductive device component disposed over a first surface. An intermediate electrically-insulating layer may be disposed between the electrically-conductive component and the low resistivity substrate. A second electrically-conductive component is disposed over the second surface of the low resistivity substrate. A cavity formed in the low resistivity substrate is at least partially filled with a high resistivity material. One or more electrically-conducting pathways are formed in the high resistivity material electrically connecting the first electrically conductive component and the second electrically-conductive component to form a device. Exemplary devices include inductors, capacitors, antennas and active or passive devices incorporating such devices. Vertically integrated device systems can be formed using the device. | 02-06-2014 |
20140021596 | WAFER-LEVEL DEVICE PACKAGING - The present invention relates to a semiconductor device packaged at the wafer level such that an entire packaged device is formed prior to separation of individual devices. The semiconductor device package includes a semiconductor chip having one or more bonding pads associated with the chip and a protective layer bonded over the semiconductor chip. An insulation layer is positioned on at least side edges and a lower surface of the semiconductor chip. Interconnection/bump metallization is positioned adjacent one or more side edges of the semiconductor chip and is electrically connected to at least one bonding pad. A compact image sensor package can be formed that is vertically integrated with a digital signal processor and memory chip along with lenses and a protective cover. | 01-23-2014 |
20140003741 | SCALE CHANGING DETECTION AND SCALING RATIO DETERMINATION BY USING MOTION INFORMATION | 01-02-2014 |
20140002594 | HYBRID SKIP MODE FOR DEPTH MAP CODING AND DECODING | 01-02-2014 |
20140002441 | TEMPORALLY CONSISTENT DEPTH ESTIMATION FROM BINOCULAR VIDEOS | 01-02-2014 |
20130343289 | METHOD AND APPARATUS FOR MIMO SCHEDULING - This invention discloses a method and apparatus for scheduling radio resources among service flows for services supported in a MIMO-OFDM wireless communication system. Preferably a portion of radio resources for allocation is expressed as bandwidth or slots in different units. The method comprises a first stage and a second stage of scheduling. The first stage guarantees supporting minimum data rates for different services. The second stage aims to satisfy a requirement of not exceeding maximum data rates for different services as well as to optimize the spectrum efficiency. Each stage comprises: selecting a primary flow according to prioritization of service flows; allocating a portion of resources for the primary flow; selecting one or more secondary flows if there is resource remaining available, so as to optimize spectrum efficiency when transmitting with the primary flow in the same SDMA region; and allocating a portion of resources to each secondary flow. | 12-26-2013 |
20130335334 | MULTI-DIMENSIONAL IMAGE DETECTION APPARATUS - According to the present invention, a multi-dimensional image detection apparatus includes a touch surface, at least one two-vision image sensing module located proximally to the touch surface, and a control module coupled to the image sensing module. The multiple-dimensional image detection apparatus can detect a foreign object's image with at least two different dimensional modes. A method of multiple-dimensional image detection is also disclosed by reading the image data acquired by the image sensing module and comparing with a pre-stored background data to determine detecting the foreign object under a predetermined dimensional mode. | 12-19-2013 |
20130322269 | METHOD AND APPARATUS FOR AUTOMATIC GAIN CONTROL IN A TD-LTE SYSTEM - This invention describes method and apparatus for automatic gain control (AGC) for a TD-LTE system, taking into consideration the TD-LTE frame structure. In one embodiment, an AGC method comprises: adjusting RF gain for subframe j (where 0<=j<=9) in a radio frame according to an average peak signal power of subframe j in previous radio frames when a terminal is lack of information in downlink timing and in uplink/downlink configuration; computing a first average signal power in one or more downlink subframes as received from at least one base station when the terminal has information in downlink timing but is lack of information in uplink/downlink configuration; and computing a second average signal power in one or more downlink subframes as received from at least one base station when the terminal has information in downlink timing and in uplink/downlink configuration. | 12-05-2013 |
20130313580 | LIGHTING DEVICE - This invention discloses a lighting device for providing an illumination with enhanced color uniformity. The lighting device includes a light generating element adjacent a substrate and configured to produce light having wavelengths substantially within a first wavelength range; a transparent frame attached to the substrate, surrounding the transparent frame; a wavelength converting layer for converting a portion of the light produced by the light generating element into light having wavelengths within a second wavelength range, substantially covering the light emitting surface and at least part of the transparent frame; and a scattering frame configured to substantially scatter light that travels therein, covering a portion of the light emitting surface around periphery thereof to thereby receive a portion of the light leaving the wavelength converting layer around the periphery of the light emitting area. Light components in said portion of the light are substantially mixed in the scattering frame. | 11-28-2013 |
20130303921 | System and Method for Measurement of Physiological Data with Light Modulation - The present invention discloses a device for measuring physiological data of a subject. It comprises a light modulation unit, an optical detection unit and a signal processing unit. The present invention can operate in an active mode or a passive mode to measure a subject's heart rate, respiratory information, haemoglobin level, cardiac output or oxygen saturation of the blood, etc. Fourier Transform based lock-in technique is used to detect the physiological signals reliably even when the signal is weak. In addition, ambient light can be used as the light source to complete the measurement. | 11-14-2013 |
20130292787 | LOW COST BACKSIDE ILLUMINATED CMOS IMAGE SENSOR PACKAGE WITH HIGH INTEGRATION - This invention discloses a backside illuminated image sensor without the need to involve a mechanical grinding process or a chemical-mechanical planarization process in fabrication, and a fabricating method thereof. In one embodiment, an image sensor comprises a semiconductor substrate, a plurality of light sensing elements in the semiconductor substrate, and a cavity formed in the semiconductor substrate. The light sensing elements are arranged in a substantially planar manner. The cavity has a base surface overlying the light sensing elements. The presence of the cavity allows the image to reach the light sensing elements through the cavity base surface. The cavity can be fabricated by etching the semiconductor substrate. Agitation may also be used when carrying out the etching. | 11-07-2013 |
20130222186 | HIGH ISOLATION SINGLE LAMBDA ANTENNA FOR DUAL COMMUNICATION SYSTEMS - An antenna system includes an antenna element having two antenna feeds and a shared connection to a ground plane. A first antenna portion has a first resonant frequency length of at least one first wavelength formed from a first feed together with the shared ground connection. A second antenna portion has a second resonant frequency length formed from a second feed together with the shared ground connection. First and second slots are respectively positioned between the shared ground connection and the respective first and second feeds such that the slots create inductances. At least a portion of the ground plane is located directly beneath at least a portion of the first and second slots. The first and second slot inductances together with the ground plane capacitances form one or more filter components to isolate the first and second resonant frequencies in the antenna element. | 08-29-2013 |
20130187267 | INCREASED SURFACE AREA ELECTRICAL CONTACTS FOR MICROELECTRONIC PACKAGES - A multilayer microelectronic device package includes one or more vertical electrical contacts. At least one semiconductor material layer is provided having one or more electrical devices fabricated therein. An electrical contact pad can be formed on or in the semiconductor material layer. Another material layer is positioned adjacent to the semiconductor material layer and includes a conductive material stud embedded in or bonded to the layer. A via is formed through at least a portion of the semiconductor material layer and the electrical contact pad and into the adjacent layer conducting material stud. The via is constructed such that the via tip terminates within the conducting material stud, exposing the conducting material. A metallization layer is disposed in the via such that the metallization layer contacts both the electrical contact pad and the conducting material stud exposed by the via tip. | 07-25-2013 |
20130170413 | METHODS AND SYSTEMS FOR POWER SAVING CONTROLS IN MOBILE BROADCAST RECEIVER - In a broadcast receiver for receiving a digital broadcast signal that carries time division multiplexed content programs or channels configured for power saving modes, the tuner, the ADC, the sub-modules within demodulator core, and the decoder are partitioned into multiple power domains forming a signal data processing pipeline with stages that are corresponding to the power domains and according to the boundaries of the data processing steps. During burst timeslot, only the power domain that is processing the signal data is turned on. Once the processing is completed the power domain is turned off. The power domains are turned off during non-burst timeslot. The ADCs and the first power domain are turned on one timeslot prior the beginning of the next burst timeslot. Therefore, the receiver can simply disregard any residual data in the processing pipeline from the last burst cycle and data flushing is not necessary. | 07-04-2013 |
20130163961 | VIDEO SUMMARY WITH DEPTH INFORMATION - A computer-implementable method for creating a summary video with depth information, comprising: recognizing moving objects from the input original video; generating an animated moving object cutout for each of the recognized moving objects by duplicating and stacking successive frames in the input original video containing images of the respective moving object; constructing a scene background by using texture of scenes in the input original video and estimating any missing portion; rendering a Dynamic 3D Scene by using depth information of foreground objects in the input original video and the scene background to create a three-dimensional scene and overlaying the animated moving object cutouts on to the three-dimensional scene according to their respective longitude, latitude, and depth locations in the three-dimensional scene; and synthesizing the summary video, by using the Dynamic 3D Scene. | 06-27-2013 |
20130151575 | ADAPTIVE BLOCK-SIZE TRANSFORM USING LLMICT - The LLMICT transform matrices are orthogonal, hence their inverses are their transpose. The LLMICT transform matrices are integer matrices, which can be implemented with high precision eliminating the drift error in video coding. The fast algorithms for the LLMICT transform are found, thus allowing a lower requirement on computation hardware. The LLMICT is also found to have high transform coding gain due to its similarity to the DCT. | 06-13-2013 |
20130106597 | MOUNT-FREE TIRE PRESSURE MONITORING SYSTEM | 05-02-2013 |
20130083924 | SYSTEMS AND METHODS FOR BROADCAST ENCRYPTION OPTIMIZATION AND SCALABILITY - A content distribution method with broadcast encryption, comprising: executing a setup process, comprising: generating public domain parameters, generating a server secret, and generating one or more client private keys, one for each content receiving client; executing an encryption process, comprising: generating a cipher text using the server secret, a subscriber set, and a randomness, the cipher text being constant and independent of total number of content receiving clients in a distribution network, generating a plain text using the server secret and the randomness, encrypting an original content into an encrypted content using the plain text; distributing the client private keys to the content receiving clients; distributing the cipher text to the content receiving clients; broadcasting the encrypted content through the distribution network; and executing a decryption process on the encrypted content by each of the content receiving clients in the distribution network. | 04-04-2013 |
20130045423 | POROUS CONDUCTIVE ACTIVE COMPOSITE ELECTRODE FOR LITIHIUM ION BATTERIES - A composite lithium ion battery electrode is formed from an active composite material dispersed in a conductive porous matrix formed over a current collector. The active composite material includes nano-clusters of an active material dispersed on a conductive skeleton structure. The active material is a metal-based material including one or more of Sn, Al, Si, Ti or a carbon-based material including one or more of graphite, carbon fibers, carbon nanotubes (CNT) or combinations thereof, having a particle size ranging from approximately 1 nanometers to approximately 10 microns. The conductive skeleton includes a conductive polymer or a conductive filament. The active material is dispersed on the conductive skeleton through an in situ polymerization process or a chemical grafting process. The conductive porous matrix includes a conductive polymeric binder and lithium ion diffusion channels created by a pore-forming agent. Conductive particles are further included in the conductive porous matrix. | 02-21-2013 |
20130044842 | RADIO-FREQUENCY FRONT ENDS WITH AUTOMATIC GAIN CONTROL - A system for processing a wideband RF signal including at least an in-band signal and an out-of-band interference, comprising: an antenna; a low-noise amplifier (LNA), wherein gain of the LNA is variable and is controlled by a first gain-setting signal; a local oscillator for generating an oscillation signal at a first frequency that is spaced apart from the in-band signal carrier frequency by an intermediate frequency; a mixer for moving the in-band signal carrier frequency by the intermediate frequency and providing a variable conversion gain, which is controlled by a second gain-setting signal, to the in-band signal; a channel selection filter (CSF) for producing a desired-user signal; and an automatic gain control (AGC) unit for generating the first and second gain-setting signals derived from a desired LNA gain value, a desired mixer conversion gain value, strength of the in-band signal, and power of the out-of-band interference. | 02-21-2013 |
20130044610 | METHOD AND APPARATUS FOR ESTIMATION OF CHANNEL TEMPORAL CORRELATION AND MIMO MODE SELECTION IN LTE SYSTEM - The present invention relates to a method and apparatus for channel temporal correlation estimation and MIMO mode selection. An embodiment of the invention under LTE system utilizes SRS symbols for temporal correlation estimation and performs MIMO mode selection based on the said temporal correlation estimation. | 02-21-2013 |
20130005280 | METHOD FOR CONSTRUCTING A WIRELESS COMMUNICATION DEVICE TO ACHIEVE MOTION SENSING FUNCTION - A system for sensing motion and performing wireless communication, includes one or more antennas for transmitting and receiving wireless data communication signals and motion detection electromagnetic waves. One or more electrical switches switch among electrical paths activating frequency channel scanning, motion sensing, interference detection, and data communication. A motion sensor receiver receives motion detection electromagnetic waves. A transceiver generates both modulated RF signals for the wireless data communication and un-modulated RF signals for the motion detection. One or more processors process motion detection electromagnetic wave data and detected interference signal data as well as processing wireless communication data to and from the transceiver, controlling the one or more electrical switches, and providing commands to the transceiver. | 01-03-2013 |
20120300453 | OMNI REFLECTIVE OPTICS FOR WIDE ANGLE EMISSION LED LIGHT BULB - A structure is provided to create an efficient light pattern conversion from a narrow angular light beam pattern of a light emitting source to a wide angle light intensity distribution for an omnidirectional lighting assembly. A heat conductive substrate includes an LED array with at least one central and at least one surrounding LED. A hollow light diverting component is positioned over the LED array; a central LED is within the hollow component while surrounding LEDs are positioned outside. Light emitted by the central LED is reflected off inner surfaces of the hollow component to be discharged from an upper opening. The outer component surface is configured to reflect light from the surrounding LEDs in azimuthal and circumferential directions towards a region below the upper opening. In this manner, plural LEDs are used to form a wide angle emission pattern suitable for use in conventional light bulb replacement devices. | 11-29-2012 |
20120288972 | LED PHOSPHOR INK COMPOSITION FOR INK-JET PRINTING - The present invention provides an ink jet printable phosphor ink composition for LED packaging that enables precision control of the amount and position of phosphor layers on the LED device or the LED device packaging. The ink includes both a UV-curable resin component and a thermally curable resin component. A phase-separation component prevents phase separation of the UV-curable resin component and the thermally curable resin component. Phosphor particles on the order of less than approximately 2 microns are uniformly dispersed throughout the ink composition. The phosphor ink composition is deposited through either thermal or piezoelectric ink jet printing; a thin layer is deposited in a desired pattern. UV curing (and, optionally, thermal curing) is used to fix each layer followed by subsequent deposition and curing. In this manner, undesirable phosphor settling does not occur and layers are selectively built up to form precise phosphor distributions. | 11-15-2012 |
20120286208 | PHOSPHOR INK COMPOSITION - The present invention provides phosphor inks configured to achieve high efficiency in converting LED light from one wavelength to another. The phosphor ink composition for deposition on an LED device comprises a phosphor component having nano-phosphor particles on the order of 100 to 1000 nanometers, and a curable resin component. In particular, the nano-phosphor particles are uniformly dispersed throughout the ink composition. The nano-phosphor particles may be formed by a size reduction process carried out on larger phosphor particles on the order of 1 to 50 micrometers. Preferably, the size reduction process is based on solvent wet milling. Methods for preparing the phosphor inks based on forming the nano-phosphor particles from larger particles by solvent wet milling are also provided. | 11-15-2012 |
20120257169 | POLARIZATION BEAM SPLITTERS FOR IMAGE PROJECTION APPARATUS - A polarization beam splitter includes at least six prisms assembled together to form a single solid components. At least one diagonal interface is formed by a combination of two or more prism surfaces. The solid polarization beam splitter component has at least four light entrance/exit surfaces with at least one of the light entrance/exit surfaces including a step. At least one of the prisms has a non-triangular cross-sectional shape. At least one surface of a prism that forms a portion of the diagonal interface has a polarization beam splitting material disposed thereon resulting in a diagonal interface that includes a polarization beam splitting material. The polarization beam splitter can be incorporated into various image projection apparatus including 2D, multiple image, and 3D projection apparatuses. | 10-11-2012 |
20120256879 | MUTIPLE IMAGE PROJECTION APPARATUS - Multiple image projection apparatus are described. A cubic multi-prism beam splitter is provided having diagonal interfaces with one or more PBS elements and/or reflective elements positioned thereon. At least first and second spatial light modulators, such as LCoS SLMs, are positioned adjacent the beam splitter cube. The first and second LCoS spatial light modulators and first and second projection optics systems are configured to output a first modulated image from the first LCoS SLM to the first projection optics system and a second modulated image from the second LCoS spatial light modulator to the second projection optics system. In other embodiments, additional LCoS spatial light modulators and light sources produce 3-D images. Addition of sensors permits user interaction with a projected image which is fed back to a controller to optionally change current or future images displayed by the system. | 10-11-2012 |
20120211778 | LED PACKAGE FOR UNIFORM COLOR EMISSION - A light emitting diode package for one or more light emitting diodes mounted on a substrate. A frame is disposed on at least a portion of the substrate and substantially surrounds, but does not contact, the light emitting diode. The frame is substantially transparent to light emitted from the light emitting diode and includes one or more first wavelength converting materials. The wavelength converting materials, which may be one or more phosphors, convert at least a portion of light emitted at the emission wavelength to different wavelength. A cover covers the light emitting diode within the frame. The cover layer includes one or more second wavelength converting materials differing from the first one or more wavelength converting materials in wavelength converting material concentration or in converted light wavelength or in combinations of wavelength converting materials. | 08-23-2012 |
20120207224 | MEMORY EFFICIENT IMPLEMENTATION OF LDPC DECODER - A computer processor implementable method of decoding low-density parity-check (LDPC) code, comprising: receiving a log-likelihood-ratio (LLR) input bitstream; performing a combined bit-deinterleaving and reordering process on the LLR input bitstream and storing in a physical memory space, comprising: determining a logical memory address for each LLR bit in the LLR input bitstream, determining a physical memory address for each LLR bit in the LLR input bitstream from logical memory address of the LLR bit; decoding the LLR input bitstream stored in the physical memory space; and performing a combined de-reordering and de-mapping process on the decoded LLR input bitstream. | 08-16-2012 |
20120206784 | DEVICE FOR REDUCING SPECKLE EFFECT IN A DISPLAY SYSTEM - The present invention relates to a method and apparatus for speckle noise reduction in laser scanning projection display. In particular, a MEMS device with a vibrating membrane through which light rays are refracted with temporally varying angles is provided for reducing the effect of speckling. | 08-16-2012 |
20120206782 | DEVICE FOR REDUCING SPECKLE EFFECT IN A DISPLAY SYSTEM - The present invention relates to a method and apparatus for speckle noise reduction in laser scanning display. In particular, a MEMS device which can superpose vibrational motion onto a biaxial scanning mirror is provided for reducing the effect of speckling. | 08-16-2012 |
20120187462 | HIGH OPTICAL EFFICIENCY CMOS IMAGE SENSOR - High optical efficiency CMOS image sensors capable of sustaining pixel sizes less than 1.2 microns are provided. Due to high photodiode fill factors and efficient optical isolation, microlenses are unnecessary. Each sensor includes plural imaging pixels having a photodiode structure on a semiconductor substrate adjacent a light-incident upper surface of the image sensor. An optical isolation grid surrounds each photodiode structure and defines the pixel boundary. The optical isolation grid extends to a depth of at least the thickness of the photodiode structure and prevents incident light from penetrating through the incident pixel to an adjacent pixel. A positive diffusion plug vertically extends through a portion of the photodiode structure. A negative diffusion plug vertically extends into the semiconductor substrate for transferring charge generated in the photodiode to a charge collecting region within the semiconductor substrate. Pixel circuitry positioned beneath the photodiode controls charge transfer to image readout circuitry. | 07-26-2012 |
20120181698 | FORMING THROUGH-SILICON-VIAS FOR MULTI-WAFER INTEGRATED CIRCUITS - The present invention provides a method for forming a three-dimensional wafer stack having a single metallized stack via with a variable cross-sectional shape. The method uses at least first and silicon wafers. Each wafer has one or more integrated circuits formed thereon. One or more through-vias are formed in each silicon wafer followed by oxide formation on at least an upper and lower surface of the silicon wafer. The wafers are aligned such that each wafer through via is aligned with a corresponding through via in adjacent stacked wafers. Wafers are bonded to form a three-dimensional wafer stack having one or more stack vias formed from the alignment of individual wafer vias. Via metallization is performed by depositing a seed layer in each of the stack vias followed by copper electroplating to form a continuous and homogeneous metallization path through the three-dimensional wafer stack. | 07-19-2012 |
20120162332 | SUBLIMATION INKS FOR THERMAL INKJET PRINTERS USING THERMALLY STABLE DYE PARTICLES - Thermal inkjet printer sublimation inks are provided having high melting point suspended particles such that the ink does not clog thermal ink jet print heads. Low-cost thermal ink jet printers are used to create thermal transfer images from the inks which are used in conventional thermal transfer processes. An ink set having at least three ink colors includes an aqueous medium of 30-95 weight percent having particles of 50 nm to 1000 nm suspended therein in an amount of 1-10 weight percent. The suspended particles include a sublimation dye and have a melting point of at least a surface of the particle greater than or equal to 200° C. The particles may have a core-shell structure with a sublimation dye core. The ink includes one or more cosolvents from 4-40 weight percent, a surfactant of 0.01 to 5 weight percent, and a biocide of 0.01-5 weight percent. | 06-28-2012 |
20120147761 | CHANNEL ESTIMATION FOR LONG TERM EVOLUTION (LTE) TERMINALS - The present invention relates to a method of channel estimation comprising two major steps. The first step is the least-squared and minimum mean-square error (MMSE) estimations on the pilot resource elements to generate the channel response estimates at the predefined pilot locations. The second step of the channel estimation, which utilizes the results from the first step to compute the channel response estimates for the remaining resource elements, comprises the following three operations: (i) averaging of each pair of adjacent pilot resource elements in the frequency direction to obtain the channel response estimate of the resource element in the middle of those two pilot resource elements; (ii) MMSE interpolation in the time domain for all the sub-carriers containing pilot signals; and (iii) linear interpolation in the frequency direction for all the sub-carriers not containing any pilot signals. | 06-14-2012 |
20120121085 | System and Method for Content Distribution with Broadcast Encryption - A content distribution method with broadcast encryption, comprising an encryption process that includes the computation of a ciphertext using a differential ciphertext generation method. The ciphertext needs to be recomputed whenever the subscriber set changes. The differential ciphertext generation method computes the new ciphertext by reusing previously preserved computational results of a previous ciphertext, thereby improving the efficiency of the system. A content distribution method with broadcast encryption also comprises a decryption process that includes the reconstruction of the encryption secret that is used for decrypting the encrypted content. A wide window point addition method is used in the encryption secret reconstruction. The wide window point addition method reuses previously preserved computational results of group-divided point additions of public parameters, thereby improving the efficiency of the system. A clustering solution with multiple instances of key server and entitlement server allows the expansion of user population in the content distribution network. | 05-17-2012 |
20120114036 | Method and Apparatus for Multiview Video Coding - The present invention relates to method and apparatus for multiview video coding. In particular, the present invention describes a disparity compensated prediction to exploit the inter-view correlation in multiview video coding by providing stretching, compression, and shearing (SCSH) disparity compensation to approximate the actual disparity effects in addition to the translational disparity. A sub-sampled block-matching disparity estimation technique is provided to implement the SCSH disparity compensation which makes use of the interpolated reference frames for subpixel motion and disparity estimation in conventional hybrid video coding structure. | 05-10-2012 |
20120110241 | SYSTEM FOR NAND FLASH PARAMETER AUTO-DETECTION - A system comprising a NAND flash memory device having a multiplicity of parameters; a flash controller configured to perform a NAND flash memory parameter automatic detection process including reading a device identifier of the NAND flash memory device and proceeding if a valid device identifier value is returned, detecting an address cycle and a block type of the NAND flash memory device, detecting a page size of the NAND flash memory device, detecting a spare size of the NAND flash memory device, detecting a memory size of the NAND flash memory device, and detecting a block size of the NAND flash memory device. | 05-03-2012 |
20120086213 | ELECTRIC POWER GENERATOR WITH FERROFLUID BEARINGS - An electric generator using ferrofluid bearings is provided. The generator includes stators having plural magnets separated by a yoke of magnetizable materials. A rotor configured to rotate in a horizontal plane is positioned between the stators. The rotor includes plural coils in which current is induced during rotation from passing through the magnetic fields generated by the stators. A first set of ferrofluid bearings is positioned between the first stator and the rotor and a second set is positioned between the rotor and the second stator. A third set of ferrofluid bearings is positioned adjacent to the periphery of the rotor and configured to center the rotor. In one embodiment, the electric generator is wind-driven and supported in a wind collection housing. | 04-12-2012 |
20120086212 | APPARATUS FOR WIND COLLECTION - The present invention provides an omnidirectional wind collection apparatus. The wind collector includes an outer housing with a peripheral wind inlet circumferentially formed therein. An inner housing disposed within the outer housing has an inner surface with a first opening at a lower end thereof to guide the collected wind to a smaller second opening at the top end. The inner surface is curved between the bottom and top openings to form a progressively narrower passage. The configuration of the inner surface creates a Venturi effect such that the wind is accelerated toward the second opening. A wind pass-through portion is formed above the second opening in the inner housing. Based on the Bernoulli effect, the passage of uncollected wind through this portion creates a low pressure region that expedites flow of collected wind through the first and second openings of the inner housing. | 04-12-2012 |
20120038423 | VARIABLE GAIN BICMOS AMPLIFIER - An amplifier circuit comprising: a MOSFET amplifier circuit; a BJT amplifier circuit; a MOSFET switch circuit arranged for switching between the MOSFET amplifier circuit and the BJT amplifier circuit to implement different gain modes of the amplifier circuit. | 02-16-2012 |
20120030367 | System And Method For Evaluating Network Transport Effects On Delivery Of Media Content - A system and a method for evaluating transport of data segments of media content bitstream over a peer-to-peer network by streaming data chunks of a media content through a peer-to-peer network, generating network transport distortion on the data chunks using live experiments, simulation, or artificial generation, determining a playback strategy of each of the data segment at the receiver end, and evaluating a playback performance of the media content bitstream under the playback strategy. | 02-02-2012 |
20120002726 | Method and apparatus for scalable video coding - The present invention relates to method and apparatus for scalable video coding. In particular, the present invention describes a scalable video coding method and a layered video representation that achieves better video quality with more efficient bitstream representation and scalability, and yet is compliant with various codec standard from base layer to enhancement layers so that it incurs minimum modification to existing hardware or system deployed in the field. | 01-05-2012 |
20120000974 | Self-powered Electronic Label - An electronic label system is provided which includes a data source having information to be displayed by an electronic label. An optical source such as an LED array broadcasts optical signals modulated with the data source data to plural electronic labels. Each electronic label has an optical receiver which receives the modulated optical signals and also receives unmodulated optical signals to supply power to an energy storage device. A mode switch switches the optical receiver between a signal reception mode and an energy storage device power-supplying mode. One or more bistable displays display the data received from the modulated optical signals. Through the use of bistable displays, the power consumption of the electronic label is greatly reduced while use of a single receiving element for receiving both the signal light and power storage light reduces the number of components needed to assemble the electronic label, thus reducing cost. | 01-05-2012 |
20110284906 | VERTICAL LIGHT EMITTING DIODE DEVICE STRUCTURE AND METHOD OF FABRICATING THE SAME - A method of fabricating a compound semiconductor vertical LED is provided. A first growth substrate capable of supporting compound semiconductor epitaxial growth thereon is provided. One or more epitaxial layers of compound semiconductor material such as GaN or InGaN is formed on the first growth substrate to create a portion of a vertical light emitting diode. Plural trenches are formed in the compound semiconductor material. Passivating material is deposited in one or more trenches. A hard material is at least partially deposited in the trenches and optionally on portions of the compound semiconductor material. The hard material has a hardness greater than the hardness of the compound semiconductor. A metal layer is deposited over the compound semiconductor material followed by metal planarization. A new host substrate is bonded to the metal layer and the first growth substrate is removed. Dicing is used to form individual LED devices. | 11-24-2011 |
20110261676 | CM/PAPR REDUCTION FOR LTE-A DOWNLINK WITH CARRIER AGGREGATION - The present invention relates to the reduction of the CM and PAPR of an LTE-A downlink signal after carrier aggregation. The CM and PAPR of the aggregated signal are reduced by introducing cyclic time shifts to the OFDM symbols in each of the component carriers (CC). Out of all the aggregated CCs, one of them is chosen to have zero cyclic time shift, meanwhile an optimal amount of cyclic time shifts is introduced into each of the other aggregated CCs. The optimal cyclic time shift for each CC is calculated by applying every possible shift value to all of the OFDM symbols in that CC and working out for each case the CM value when the OFDM signal of that CC is combined with those in other shifted CCs. For each CC, the optimal cyclic time shift is the amount of cyclic shifts applied to that CC which would give the lowest peak “combined CM value”. | 10-27-2011 |
20110243228 | METHOD AND APPARATUS FOR VIDEO CODING BY ABT-BASED JUST NOTICEABLE DIFFERENCE MODEL - The present invention relates to method and apparatus for video coding by ABT-based just noticeable difference (JND). For building the just noticeable difference model, spatial content information (SCI) is used to represent the spatial appearance similarity between one macroblock and its sub-blocks and the motion characteristic distance (MCD) is used to represent the motion characteristics similarity between one macroblock and its sub-blocks. For intra frames, the balance strategy based on the obtained SCI of the macroblock is used to generate the ABT-based JND model. For inter frames, the balanced strategy based on the obtained SCI and MCD of the macroblock is used to generate the ABT-based JND model. Using the ABT-based JND model, the residual coefficients for each block in a frame is filtered to obtain a reduced set of residual coefficients for transmission without degradation in visual quality. | 10-06-2011 |
20110242765 | SEMICONDUCTOR PACKAGE AND METHOD OF MANUFACTURING THE SAME - The subject invention relates to a semiconductor package and method of manufacturing the same. The semiconductor package of the subject invention comprises a substrate with a through hole penetrating therethrough; a semiconductor chip positioned on the substrate covering the through hole; and a thermal conductive device filling the through hole and contacting the semiconductor chip. According to the subject invention, the thermal resistance in the structure of the semiconductor package is substantially reduced and thus desirable performance of heat spreading or dissipation is achieved. In addition, the production cost and size of the semiconductor package are also reduced. | 10-06-2011 |
20110241986 | INTERACTIVE PROJECTION DEVICE - The subject invention relates to an interactive projection device. The interactive projection device includes a light source configured to emit an input light beam, wherein the light source comprises a visible light emitting device; a first beam splitter configured to split the input light beam into first and second split light beams; a second beam splitter configured to split a scattered light beam received from a surface into third and fourth split light beams; an image forming device configured to produce an image light beam based on the first split light beam and emit the image light beam onto the surface through the first and second splitters, thereby generating a projection image on the surface; and a detector configured to detect the invisible light of the third split light beam, thereby acquiring a scattering image from the surface. | 10-06-2011 |
20110204752 | SELF-POWERED IMPULSE DETECTION SYSTEM - A self-powered impulse detecting system comprising a signal transmitter; an energy storage component; and an energy harvester comprising a top plate configured to receive a stress impulse by an external object on its top surface; a bottom plate positioned opposite to the top plate and leaving room in between the bottom plate and the top plate; an elastic element positioned in between the top plate and the bottom plate; a bendable substrate attached at a first end to the bottom surface of the top plate, the bendable substrate is configured to bend freely, colliding with the top plate and a stopper; a piezoelectric element positioned on the bendable substrate; a deadweight attached to a second end of the bendable substrate; wherein collisions between the bendable substrate, the top plate and the stopper cause the bendable substrate to bend along with the piezoelectric element to generate power. | 08-25-2011 |
20110192221 | VALVE WITH RADIATING STRUCTURE FOR A TIRE PRESSURE MONITORING SYSTEM - A valve for a tire pressure monitoring system in which the valve acts a coaxial conductor to transmit a signal to a receiver presented. A valve stem electrically isolated from a valve pin form the coaxial conductor. In a tire pressure monitoring system, a tire pressure measurement module is positioned inside a tire. In one embodiment, a conductive radiating structure is electrically connected or coupled to the valve pin to receive the tire pressure information signal and transmit it to a receiver. The above configuration further permits a rechargeable battery in the tire pressure measurement module to be recharged via the tire valve. The valve pin and valve stem, being electrically isolated from one another, are used as recharging paths for the battery. | 08-11-2011 |
20110165854 | CURRENT-MATCHING INTERMODULATION SUPPRESSION - A circuit is provided for suppression of second-order intermodulation in a double-balanced mixer circuit. The circuit includes a duplicate transconductor element for duplicating AC current in a transconductor pair of the double-balanced mixer circuit. A fundamental cancellation element cancels a fundamental component of an AC current of the duplicate transconductor element, while preserving a second-order intermodulation component. A phase inversion element feeds an output current of the fundamental cancellation element to the transconductor pair of the double-balanced mixer circuit, to substantially remove the second-order intermodulation component from a differential output of the double-balanced mixer circuit. | 07-07-2011 |
20110158308 | EMBEDDED TRANSMISSION OF MULTIPLE SERVICES IN A DIGITAL TERRESTRIAL TELEVISION MULTIMEDIA BROADCASTING (DTMB) SYSTEM - A system and method is described for transmitting and receiving terrestrial and mobile services in one spectrum in a Digital Terrestrial Television Multimedia Broadcasting (DTMB) terrestrial network compatible with conventional terrestrial receivers. Terrestrial service data and mobile service data to be broadcast are provided. The packet headers for the mobile service data are scrambled and the terrestrial service data is scrambled. The terrestrial service data and mobile service data is multiplexed together to form multiplexed terrestrial service data and mobile service data. The multiplexed terrestrial service data and mobile service data is received at a terrestrial DTMB receiver which distinguishes the terrestrial service data from the mobile service data on the basis of packet headers. At a mobile DTMB receiver, the multiplexed terrestrial service data and mobile service data is received and control frames are used to distinguish the terrestrial service data from the mobile service data. | 06-30-2011 |
20110157281 | PRINTHEAD FOR THERMAL INKJET PRINTING AND THE PRINTING METHOD THEREOF - The present invention relates to a printhead for thermal inkjet printing and the printing method thereof. The printhead comprises: a substrate having a plurality of orifices with a firing element in each of said plurality of orifices, wherein said plurality of orifices are arranged in a single column, and said printhead is disposed at an angle to a horizontal direction along which said printhead scans; and a firing circuits for energizing said plurality of firing elements to eject ink on a printing medium by respectively transmitting a plurality of firing signals to said plurality of firing elements. According to the present invention, the print speed and resolution can be improved. | 06-30-2011 |
20110157026 | COORDINATE LOCATING METHOD, COORDINATE LOCATING DEVICE, AND DISPLAY APPARATUS COMPRISING THE COORDINATE LOCATING DEVICE - A coordinate locating device for a display apparatus is provided, which can have lower manufacturing costs and can locate the coordinates of a single or multiple objects. The coordinate locating device includes a light source configured to emit light, wherein said light source comprises a light emitting device, at least one reflector configured to reflect the light from the light source, and a detector configured to detect the light reflected by the at least one reflector, wherein the light source and the detector are disposed at different positions on the same edge of the coordinate locating device. | 06-30-2011 |
20110122099 | MULTIPLE-INPUT TOUCH PANEL AND METHOD FOR GESTURE RECOGNITION - A touch panel capable of recognizing at least one gesture and the method thereof are provided. The touch panel comprises: a first optical unit, comprising a first light emitting element and a first light receiving element, arranged at a first position of the touch panel; a first optical element arranged along a first edge of the touch panel for reflecting light; a second and a third optical element arranged along a second and a third edge of the touch panel, respectively, for retro-reflecting the light, the second edge being adjacent to both the third edge and the first edge; and a processing unit for recognizing the at least one gesture according to changes to distance and slope of possible touch points. | 05-26-2011 |
20110116105 | COORDINATE LOCATING METHOD AND APPARATUS - A coordinate locating apparatus for locating at least one touch point on a plane and the method thereof are provided. The coordinate locating apparatus comprises: a first detecting unit, comprising a first light emitting element and a first light receiving element, arranged at a first location of the plane; a second detecting unit, comprising a second light emitting element and a second light receiving element, arranged at a second location of the plane; a first optical element arranged along an edge of the plane for reflecting and retro-reflecting light from the first and the second light emitting elements; and a second and third optical elements arranged along two edges of the plane for performing at least one of reflecting and retro-reflecting light from the first and the second light emitting elements or light reflected from the first optical element, both of the two edges being adjacent to the edge along which the first optical element is arranged, wherein the at least one touch point is located on the basis of the detected intensities of light received by the first and the second light receiving elements, and the detected intensities of light are compared with a first threshold and a second threshold. | 05-19-2011 |
20110090965 | Generation of Synchronized Bidirectional Frames and Uses Thereof - A digital video processing method implementable on an apparatus, comprising performing on a reconstructed digital video frame, by a processor, a transform | 04-21-2011 |
20110090963 | METHOD AND APPARATUS FOR ZOOM MOTION ESTIMATION - In accordance with an example embodiment of the present invention, the present invention provides method and apparatus for motion compensated prediction. Apart from translational motion, zoom motion is taken into account by sampling an interpolated frame with one or more selected sampling rates to generate one or more zoom reference frames; matching a frame with the zoom reference frames; and determining one or more motion data. | 04-21-2011 |
20110090961 | METHOD AND APPARATUS FOR ADAPTIVE QUANTIZATION IN DIGITAL VIDEO CODING - The invention relates to adjusting the quantization parameter in digital video coding. A shift value (QP Shift) is used to adjust the quantization parameter. The shift value is determined in a determining step | 04-21-2011 |
20110041106 | Integrated Circuit Modeling Method and Framework Tool - An integrated circuit modeling method | 02-17-2011 |
20110037051 | OPTIMIZATION OF POLISHING STOP DESIGN - The present invention provides a method of fabricating vertical LED structures in which the substrate used for epitaxial layer growth is removed through polishing. The polishing technique used in an exemplary embodiment is chemical mechanical polishing using polish stops to provide a sufficiently level plane. Polish stops are provided in the multilayer structure before polishing the surface, the hardness of the polish stop material being greater than the hardness of the material that needs to be removed. Consequently, vertical LEDs can be produced at a lower cost and higher yield compared to either laser lift-off or conventional polishing. Exemplary vertical LEDs are GaN LEDs. The polish stops may be removed by saw dicing, laser dicing or plasma etching. | 02-17-2011 |
20100329341 | METHOD AND APPARATUS FOR CODING MODE SELECTION - Method and apparatus for providing a fast and accurate video coding process are disclosed. After checking the coding history of certain coded video frame units of a video, the order of the inter prediction and the intra prediction is adaptively exchanged for each coding video frame unit of an inter frame. Furthermore, the computations for coding modes in the latter part of the computation order are selectively skipped so as to speed up the coding process without degrading the video quality. | 12-30-2010 |
20100328539 | METHOD AND APPARATUS FOR MEMORY REUSE IN IMAGE PROCESSING - This invention relates to a method of reusing data in memory for motion estimation. Only additional data is required to prepare reference block so as to reduce the data transfer to the memory. The additional data will be arranged with the existing data in the memory to provide the reference block. Then the data in the memory is read in a specific way to retrieve the reference block. Using this invention, the bandwidth requirement and internal memory can be greatly reduced without any additional logic operation. | 12-30-2010 |
20100249617 | Apparatus for determining blood pressure - An apparatus for determining the blood pressure of a patient which allows the patient to first measure his measured blood pressure using a blood pressure measuring device and then, at a later time, estimate his current blood pressure using a blood pressure calculating device that includes a mathematical model for estimating blood pressure based on a current change in blood pressure induced by a heart beat and the previously measured blood pressure. The apparatus includes a transmitter device that detects the presence of a blood pressure calculating device connected to or in proximity of the blood pressure measuring device and transmits the previously measured blood pressure value to the blood pressure calculating device. | 09-30-2010 |
20100228972 | System and Method for Content Distribution with Broadcast Encryption - The claimed invention relates to system and method for providing encrypted content via a distribution network | 09-09-2010 |
20100220786 | METHOD AND APPARATUS FOR MULTIPLE REFERENCE PICTURE MOTION ESTIMATION - The claimed invention relates to efficient use of data for multiple reference picture motion estimation. Multiple reference picture motion estimation involves a large amount of data due to the processing of multiple reference pictures. The claimed invention discloses a method | 09-02-2010 |
20100135588 | METHOD AND APPARATUS FOR SUBPIXEL-BASED DOWN-SAMPLING - This invention relates to method and apparatus for subpixel-based down-sampling. This invention implements an adaptive filter | 06-03-2010 |
20090299715 | ANGULAR-DOMAIN CHANNEL MODEL AND CHANNEL ESTIMATION - A method of modeling wireless communication channels in angular domain is disclosed. The method includes considering radiation patterns | 12-03-2009 |
20090296834 | TIME DIVISION SYNCHRONOUS ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING SUPPORTING FREQUENCY DIVISION MULTIPLE ACCESS - A method of time domain synchronous orthogonal frequency division multiplexing (TDS-OFDM) communication, including the steps of: preparing OFDM-body | 12-03-2009 |
20090167670 | METHOD OF DETERMINING LUMINANCE VALUES FOR A BACKLIGHT OF AN LCD PANEL DISPLAYING AN IMAGE - A controller for a backlight for a liquid crystal display (LCD) panel has at least two methods for determining illumination value for the backlight. The controller selects between the two methods based on properties of the image being displayed. The properties of the image include its color and its intensity. | 07-02-2009 |
20090160877 | METHOD AND APPARATUS FOR ENHANCING AN IMAGE DISPLAYED ON AN LCD DEVICE - A method and apparatus for image enhancement in a display illuminated by a lighting device. Enhancement is via use of a non-linear mapping function. An illumination level for the lighting device is determined and used with the mapping function to find a compensation factor for each pixel of the image. The brightness property of each pixel is adjusted by its compensation factor. | 06-25-2009 |
20090140808 | GAIN CONTROL CIRCUIT - A gain control circuit including a resistor with a first terminal and a second terminal; an operational amplifier with an inverting terminal thereof electrically coupled to said first terminal of said resistor; a non-inverting terminal thereof; and an output terminal thereof; an amplifier circuit for transforming the voltage change of said operational amplifier output into a substantially exponential current change; wherein the output of said amplifier circuit is electrically coupled to said inverting terminal of said operational amplifier. The above described gain control circuit is able to perform wide bandwidth input signal buffering with linearity under low voltage and low power conditions. The circuit also offers low output impedances without the need of additional buffers and hence minimizing circuit size and manufacturing costs. | 06-04-2009 |
20090092328 | METHOD FOR MOTION COMPENSATION - A method for use in video compression is disclosed. In particular, the claimed invention relates to a method of more efficient fractional-pixel interpolation in two steps by a fixed filter ( | 04-09-2009 |