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Cai, Beijing

Bin Cai, Beijing CN

Patent application numberDescriptionPublished
20090143245MICROARRAYS FOR GENOTYPING AND METHODS OF USE - The present invention provides a microarray for detecting a genotype at a polymorphic site in a plurality of nucleic acid samples, comprising a first set of nucleic acid fragments derived from the samples and a second set of nucleic acid fragments derived from a plurality of references immobilized thereon. The invention also provides a microarray comprising a set of nucleic acid fragments immobilized on the surface of the microarray, wherein the nucleic acid fragments are derived from the samples by amplifying a region in the sample containing the polymorphism through asymmetric PCR amplification. Methods of using and making the microarrays are also provided.06-04-2009
20090156419HYBRIDIZATION METHODS USING NATURAL BASE MISMATCHES - The present invention provides an improved nucleic acid hybridization process employing a modified oligonucleotide probe comprising naturally occurring nucleotide bases. At least one nucleotide in the modified oligonucleotide is artificially mismatched relative to the control nucleic acid in addition to any mismatches arising from a variant nucleic acid target containing a sequence variation. The artificial mismatch and the sequence variation positions are separated from one another on the oligonucleotide by six to nine nucleotide positions.06-18-2009
20100041563METHODS FOR IDENTIFICATION OF ALLELES - The invention provides a method for identification of alleles. In this method, genomic DNA is used as target. Multiple allele-specific PCR amplification are carried out with a group of primers comprising one or more allele-specific primers for a target gene, a universal primer, and a common primer; and a DNA polymerase without 5′ to 3′ exonuclease activity. The PCR products are hybridized with tag probes immobilized on a DNA chip. Results are determined based on the signal intensity and the position of the probe immobilized on the array. Each allele-specific primer comprises a unique tag sequence at the 5′ end. Each tag probe immobilized on the DNA chip comprises a sequence identical to its corresponding tag sequence; and each tag probe hybridizes only with the complementary sequence in the PCR amplification product.02-18-2010

Chenggui Cai, Beijing CN

Patent application numberDescriptionPublished
20120110324METHOD AND APPARATUS FOR SENDING A KEY ON A WIRELESS LOCAL AREA NETWORK - A method and an apparatus for sending a key on a Wireless Local Area Network (WLAN) is provided. In a scenario where an Access Server is separate from an Access Controller, the Access Controller may send a master key of a specified WLAN station to the AC and trigger the AC to agree with the station on a transient key. The method includes: when receiving the master key of the WLAN station sent from an AAA server, searching a station information table for an IP address of an AC associated with the station; sending a message to the AC to instruct the AC to perform a 4-way handshake with the station to agree on a transient key, where the third message carries the master key of the station, a 4-way handshake triggering bit, and a MAC address of the WLAN station.05-03-2012

Chenguang Cai, Beijing CN

Patent application numberDescriptionPublished
20100080409Dual-mode loudspeaker - An apparatus uses a transducer to produce vibration in the ultrasonic frequency range and in the audible frequency range. A membrane or cantilever structure is coupled to the transducer to produce acoustic waves. When the vibration is in the audible frequency range, the membrane structure works like a conventional loudspeaker. When the vibration is in the ultrasonic frequency range, the ultrasonic signal is modulated by audio signal for creating better directivity. The acoustic waves in the ultrasonic frequency range can reproduce directional audible sound due to the nonlinear interaction of ultrasonic waves in air.04-01-2010
20100141604RESISTIVE MULTI TOUCH SCREEN - Methods, apparatuses, and systems for processing tactile input received at a display are disclosed. An apparatus may include a display comprising a tactile sensor and a display screen. The tactile sensor may include a top layer comprising a first plurality of resistive strips, wherein each of the resistive strips in the top layer are spaced apart from one another, a bottom layer comprising a second plurality of resistive strips, wherein each of the resistive strips in the bottom layer are spaced apart from one another, and a separator positioned between the first plurality of resistive strips of the top layer and the second plurality of resistive strips of the bottom layer, wherein the tactile sensor is configured to receive a tactile input to cause at least one of the resistive strips of the top layer to contact at least one of the plurality of resistive strips of the bottom layer.06-10-2010
20100158287Multi-directivity sound device - A sound producing apparatus with multi-directivity has two or more speakers to produce music or other types of audio sounds. Each of the speakers can produce audio sounds in a certain direction and at least one speaker is steerable so that its sound propagation direction relative to the others can be changed. Furthermore, one or more speakers can produce audio sounds in an adjustable angular range. One or more of the speakers can be dual-mode speakers, each of which can be operated as a wide-angle speaker or a narrow-angle speaker. With multi-directivity, it is possible to play one type of music in one direction and another type of music in another direction to suit the interests of the audience. The apparatus can be a mobile phone, an audio player, a digital or analog recorder/player, or the like.06-24-2010

Hong Cai, Beijing CN

Patent application numberDescriptionPublished
20080244610Method and Apparatus for Dynamic Device Allocation for Managing Escalation of On-Demand Business Processes - Resource allocation techniques are provided for use in managing escalation of on-demand business processes. For example, in one aspect of the invention, a technique for managing escalation of a business process comprises the following steps/operations. A request is obtained from a business process, the business process having one or more tasks associated therewith. The one or more tasks are mapped to one or more roles. One or more available resources are allocated for the one or more roles. At least one communication session is launched such that data associated with the business process may be transferred to the one or more allocated resources.10-02-2008
20080313615REMOTE SERVLETS COLLABORATION - Presents remote servlets collaboration. A method includes: creating a common registry; creating an extended context in response to an external request, wherein the extended context can invoke the resources within the common registry; performing initializing configuration on a plurality of servlets, and registering a plurality of servlets in the common registry, wherein a plurality of servlets being located on different Java virtual machines, or being located in different servlet containers on the same Java virtual machine; and a plurality of servlets collaborate with each other by being invoked through the extended context. It can implement collaboration between servlets located on different virtual machines or even servlets on the same virtual machine but within different servlet containers, because in a converged application service system, not only between HTTP servlets or between SIP servlets but also between HTTP servlets and SIP servlets there is necessity to collaborate.12-18-2008
20090254906METHOD AND APPARATUS FOR ENABLING ENTERPRISE PROJECT MANAGEMENT WITH SERVICE ORIENTED RESOURCE AND USING A PROCESS PROFILING FRAMEWORD - A service-oriented architecture for enterprise project management integrates business processes, human resources and project management within an enterprise or across the value chain network. A representation having direction and attributes is provided to show the dependencies between a business value layer and a project-portfolio layer, and between the project-portfolio layer and resources. The representation is mapped to a Web Services representation in UDDI, Web Services interfaces, and Web Services based business processes through rope hyper-linking.10-08-2009
20110213870PROVIDING SERVICES TO MULTIPLE TENANTS OF AN APPLICATION - A method, system and computer program product for providing a service to multiple tenants of an application. Responsive to receiving from a client of a tenant a request, a tenant context of the tenant is bound to the request. With respect to an access to an isolation point of the application in the request, the access to the isolation point is redirected to a partition based on the tenant context bound to the request. The partition may be pre-established for the tenant with respect to the application. Hence, it is possible to provide a multi-tenant solution in a convenient, fast, and cost-effective way, and, in turn, to achieve resource sharing to a greater extent and enhance the resource efficiency.09-01-2011

Patent applications by Hong Cai, Beijing CN

Hua Cai, Beijing CN

Patent application numberDescriptionPublished
20080285654Multiview coding with geometry-based disparity prediction - Described herein is technology for, among other things, multiview coding with geometry-based disparity prediction. The geometry-based disparity prediction involves determining corresponding block pairs in a number of reconstructed images for an image being coded. The reconstructed images and the image represent different views of a scene at a point in time. Each corresponding block pair is projected on the image. This enables determination of disparity vector candidates. For each coding block of the image, a predicted disparity vector is determined based on the disparity vector candidates. Then, the predicted disparity vector may be utilized to obtain the bits to be encoded. The geometry-based disparity prediction reduces the number of encoded bits.11-20-2008
20100250678PEER-TO-PEER AIDED LIVE VIDEO SHARING SYSTEM - Video data from an upload client is received at a hosting node. A request from a download client is received at a bootstrapping node to receive the video data. The download client to receive the video data directly from the hosting node when the hosting node is below a threshold, wherein the threshold is based at least in part on the maximum number of download clients the hosting node can stream to simultaneously. The download client to receive the video data from peers in a peer-to-peer overlay when the hosting node above the threshold.09-30-2010

Patent applications by Hua Cai, Beijing CN

Jianxian Cai, Beijing CN

Patent application numberDescriptionPublished
20100292840FLEXIBLE TWO-WHEELED SELF-BALANCING ROBOT SYSTEM AND ITS MOTION CONTROL METHOD - A flexible two-wheeled self-balancing robot system and its motion control method include a main controller 11-18-2010

Jun Jie Cai, Beijing CN

Patent application numberDescriptionPublished
20110213870PROVIDING SERVICES TO MULTIPLE TENANTS OF AN APPLICATION - A method, system and computer program product for providing a service to multiple tenants of an application. Responsive to receiving from a client of a tenant a request, a tenant context of the tenant is bound to the request. With respect to an access to an isolation point of the application in the request, the access to the isolation point is redirected to a partition based on the tenant context bound to the request. The partition may be pre-established for the tenant with respect to the application. Hence, it is possible to provide a multi-tenant solution in a convenient, fast, and cost-effective way, and, in turn, to achieve resource sharing to a greater extent and enhance the resource efficiency.09-01-2011

Kang Ying Cai, Beijing CN

Patent application numberDescriptionPublished
20100194610Method and device for encoding a bit sequence - The invention is related to a method and a device for encoding of a bit sequence.08-05-2010
20110285708METHOD AND APPARATUS FOR ENCODING 3D MESH MODELS, AND METHOD AND APPARATUS FOR DECODING ENCODED 3D MESH MODELS - 3D mesh models are widely used in various applications for representing 3D objects. These models are made of vertices and corresponding triangles, which can be compressed based on prediction and residuals. The present invention improves the accuracy of parallelogram prediction, particularly near sharp features. The proposed 3D mesh model encoding comprises analyzing the spatial or dihedral angles between triangles, clustering triangles with similar or equal dihedral angles, and defining a representative dihedral angle for each cluster. Triangles of each cluster are then encoded relative to individual prediction triangles having the representative dihedral angle according to the cluster. Additionally, the prediction triangle may be mirrored. An indication of the encoding mode is inserted into each vertex of the encoded bitstream. A decoder extracts the encoding mode indication, reconstructs the individual prediction triangles based on the respective representative dihedral angles and performs triangle prediction and reconstruction.11-24-2011
20120013491METHOD AND DEVICE FOR ENCODING AN INPUT BIT SEQUENCE AND CORRESPONDING DECODING METHOD AND DEVICE - The invention is made in the technical field of encoding and decoding of bit sequences. The invention proposes a device for compression-encoding an input bit sequence in which Zeroes and Ones occur equally frequent, comprising an XOR gate adapted for receiving pairs of immediately succeeding bits of the input bit sequence as inputs and for outputting further bits of another bit sequence, means for adding a bit to said other bit sequence wherein the added bit is a primary bit which is equal to a primary bit of the input bit sequence or a last bit which is equal to a last bit of the input bit sequence, and means for encoding the other sequence. The XOR gate transforms the input bit sequence into the other bit sequence which comprises more uneven frequencies of occurrence of Zeroes and Ones than the input bit sequence.01-19-2012
20120019403METHOD AND DEVICE FOR ENCODING AND DECODING OF SYMBOL SEQUENCES WHEREIN EACH SYMBOL MAY HAVE ONE OUT OF THREE OR MORE POSSIBLE SYMBOL VALUES - A method for compressing a symbol sequence, wherein each symbol may have one out of three or more possible symbol values, said method comprises the steps of modifying the symbol sequence by replacing each run pair, which contains a first run of symbols of a most frequent symbol value and a second run of symbols of a second most frequent symbol value, by a further symbol value not comprised in the three or more possible symbol values, generating a binary sequence comprising all replaced run pairs and compression encoding the binary sequence and the modified symbol sequence.01-26-2012
20120075302METHOD FOR ENCODING/DECODING A 3D MESH MODEL THAT COMPRISES ONE OR MORE COMPONENTS - 3D mesh models are represented by three types of data: connectivity data, geometry data and property data. The surface of a 3D object is a triangle mesh. 3D meshes contain huge amounts of data that need to be compressed efficiently. Additionally to the common world coordinate system for the complete model and local coordinate system for a single triangle, an individual component coordinate system for each connected component is used. The component coordinate system is used to normalize the orientation of the respective component for quantization and de-quantization. This improves the accuracy of encoded 3D mesh models after quantization/de-quantization, particularly if a 3D mesh model comprises one or more distinct components.03-29-2012
20120106858COMPRESSION OF 3D MESHES WITH REPEATED PATTERNS - 3D models of the engineering class usually have a large number of connected components, with small numbers of large triangles, often with arbitrary connectivity. To enable compact storage and fast transmission of large 3D mesh models, an efficient compression strategy specially designed for 3D mesh models is provide. A method for encoding a 3D mesh model comprises determining and clustering repeating components, normalizing the components, wherein scaling factors are clustered and orientation axes are clustered, encoding the connected components using references to the clusters, and entropy encoding the connected components.05-03-2012

Patent applications by Kang Ying Cai, Beijing CN

Keke Cai, Beijing CN

Patent application numberDescriptionPublished
20100306123INFORMATION RETRIEVAL METHOD, USER COMMENT PROCESSING METHOD, AND SYSTEMS THEREOF - A user comment processing method and system and an information retrieval method and system. The user comment processing method includes the steps of: receiving objective data of a feature of a product or service and user comments on the product or service; identifying user comments associated with the feature of the product or service from the user comments on the product or service; identifying the opinion facet in the user comments associated with the feature of the product or service; establishing association-relationship between the opinion facet and the objective data of the corresponding feature of the product or service, and calculating an occurrence frequency of the opinion facet associated with the objective data; and creating an association rule of the opinion facet and the objective data according to the association-relationship and the occurrence frequency of the opinion facet associated with the objective data.12-02-2010
20110055187METHOD AND SYSTEM FOR SEARCHING AN ELECTRONIC MAP - A method and system for searching an electronic map. The method includes the steps of: receiving a query entered by a user for searching the electronic map; extracting place names in the query; extracting in web pages searched on a computer network co-occurrence place names that co-occurred with the place names; selecting extension place names from the co-occurrence place names, thereby obtaining a set of extension place names; generating a set of queries, wherein the set of queries includes the query entered by the user, and includes a query obtained by replacing the place names in the query entered by the user with each extension place name in the set of extension place names respectively; and sending the set of queries to a map search engine.03-03-2011
20110231448DEVICE AND METHOD FOR GENERATING OPINION PAIRS HAVING SENTIMENT ORIENTATION BASED IMPACT RELATIONS - A device for generating opinion pairs having sentiment orientation based impact relations, having: a reception unit which receives a plurality of object-oriented opinions; an extraction unit which extracts opinions having impact relations among the plurality of object-oriented opinions; an analysis unit which analyzes sentiment orientations of the extracted respective opinions; and a generation unit which establishes correlations between the opinions having sentiment orientation based impact relations to generate the opinion pairs having the sentiment orientation based impact relations. The present device can search and locate more implicit opinions as supplementary opinions by detecting impact relations from a plurality of opinions, and help users interested in different objects obtain more comprehensive comments and summaries.09-22-2011
20110295594SYSTEM, METHOD, AND PROGRAM FOR PROCESSING TEXT USING OBJECT COREFERENCE TECHNOLOGY - System, method and program product for text processing using object coreference technology. In particular, the invention provides a text processing method which includes, acquiring text to be processed; extracting subject words and entity words corresponding to the subject words from the text; grouping the subject words; determining entity words that reference a same concerned object according to the grouped subject words; and generating processing policy for entity words that reference a same concerned object. The invention also includes a system with means for carrying out the method. The invention generally realizes automatic, more comprehensive, accurate, efficient analysis and processing on text data. The invention can be used to dig a large amount of comment data about some entity, and the invention can also be used to suggest insertion place in an article where embedded advertisement is inserted.12-01-2011
20120030211MESSAGE PROCESSING METHOD AND SYSTEM - A message processing method and system. The message processing method includes: acquiring messages and position information of the messages; clustering the messages according to the position information of the message to obtain message clusters; extracting addresses in contents of the messages in the message cluster; and building classifiers of the addresses based on the contents of the messages in the same message cluster. By sufficiently utilizing the position information of the related message, etc., the system can conveniently provide the message users with related accurate address information and can provide useful information for management decision.02-02-2012
20120084299MATCHING INFORMATION OF CHEMICAL SUBSTANCE - This disclosure provides methods and systems for processing and matching information of a chemical substance, and a storage system. According to one embodiment of the present invention, a method of processing information of a chemical substance comprises obtaining substructures of a chemical structural formula of said chemical substance; determining a featured substructure of said chemical substance from the obtained substructures; and storing said featured substructure of said chemical substance. The technical problem to be solved by one aspect of this disclosure is to provide a method and system capable of processing and/or matching information of a chemical substance independent of the existing various nomenclatures. One aspect of this disclosure provides a method and system for efficiently and comprehensively indexing and/or inquiring about information of a chemical substance using a featured substructure, and a storage system of the same.04-05-2012

Patent applications by Keke Cai, Beijing CN

Lifei Cai, Beijing CN

Patent application numberDescriptionPublished
20120065438Process for Syntheis of 10,10-Dibromo-9,9-dianthracene - This invention, which belongs to the field of organic electroluminesent materials synthetic technology, involves synthetic method of 10,10′-Dibromo-9,9′-bianthryl. The synthetic method is to use 9,9′-bianthryl as raw material, chlorinated hydrocarbon as solvent, bromide as bromine agent and react. This method not only produces no environmental pollution, but also enjoys high yield, therefore, it is suitable for industrial production.03-15-2012
20120065445Process For Synthesis of 9,9'-Dianthracene - This invention, which involves “the synthetic method of 9, 9′-biantnthracine”, belongs to the field of synthetic technology of organic electroluminesent materials. Synthetic method of 9, 9′-bianthracine is to add anthraquinone as raw material and zinc as reducing agent in glacial acetic acid solution, then batch addition of hydrochloric acid at 70-120°, maintain the temperature unchanged and react, then 9, 9′-bianthracine is achieved. This invention uses one-step method to synthesize 9, 9′-bianthracine, which reduces not only cost but also generation of side products, in addition, the products obtained need no purification and can be directly used to synthesize related similar compounds, therefore, it is very suitable for large-scale industrial production.03-15-2012
20120071695Synthetic Method of 5,5-Dimethyl-2,4-Adipaldehyde-0,0-Boron Difluoride - This invention, which involves synthetic method of 5, 5- dimethyl-2, 4-adipaldehyde-0, 0-Boron difluoride, belongs to the field of organic synthesis. Synthetic method of 5, 5-dimethyl-2, 4-adipaldehyde-0, 0-Boron difluoride is to react pinacolone and boron trifluoride diethyl ether at low temperature, and then add aqueous alkaline solution in after treatment to extract product from ether, after that, separate fluid, condense organic phase and final product is obtained. Yield of this method is 2 to 3 times higher than that in literature, and apart from that, mild reaction condition, simple procedures, easy operation, and low cost make it easy for industrial production. The product can be used directly in next step reaction without any special purification.03-22-2012

Qi Cai, Beijing CN

Patent application numberDescriptionPublished
20100019647FIELD EMISSION CATHODE DEVICE AND FIELD EMISSION DISPLAY - The field emission cathode device includes an insulating substrate with a number of cathodes mounted thereon. A number of field emission units are mounted on the cathodes. A dielectric layer is disposed on the insulating substrate and defines a number of voids corresponding to the field emission units. The dielectric layer has an upper and lower section and disposed on the insulating substrate. The dielectric layer defining a plurality of voids corresponding to the field emission units. A number of grids disposed between the upper and lower sections, and wherein each grid are secured by the upper and lower sections of the dielectric layer.01-28-2010
20110059671METHOD FOR SURFACE TREATING COLD CATHODE - A method for surface treating a cold cathode includes the following steps. A cold cathode is provided and the cold cathode includes a plurality of field emitters. A liquid glue is placed on a surface of the cold cathode. The liquid glue is cured to form solid glue on the surface of the cold cathode. The solid glue is removed to allow the plurality of field emitters to stand upright.03-10-2011
20110074274FIELD EMISSION CATHODE STRUCTURE AND FIELD EMISSION DISPLAY USING THE SAME - A field emission cathode structure includes a dielectric layer, a field emission unit, a grid electrode, and a conductive layer. The dielectric layer is positioned on the insulating substrate and defines a cavity. A field emission unit is attached on the cathode electrode and received in the cavity of the dielectric layer. The field emission unit is electrically attached to the cathode electrode. The grid electrode is located on the dielectric layer, and electrons emitted from the field emission unit emit through the grid electrode. The conductive layer is electrically attached to the grid electrode and insulated from the field emission unit. A field emission display device using the above-mentioned field emission cathode structure is also provided.03-31-2011
20110241527CARBON NANOTUBE SLURRY AND FIELD EMISSION DEVICE - A carbon nanotube slurry consists of carbon nanotubes, glass powder, and organic carrier. The field emission device includes an insulative substrate, a cathode conductive layer, and an electron emission layer. The cathode conductive layer is located on a surface of the insulative substrate. The electron emission layer is located on a surface of the cathode conductive layer. The electron emission layer consists of a glass layer and a plurality of carbon nanotubes electrically connected to the cathode conductive layer.10-06-2011
20110244754METHOD FOR MAKING CATHODE SLURRY - A method for making cathode slurry is provided and includes the following steps. First, a plurality of electron emitters, an inorganic binder, and an organic carrier are provided. Second, the plurality of electron emitters, the inorganic binder, and the organic carrier are mixed to obtain a mixture. Third, the mixture is mechanically pressed and sheared.10-06-2011

Site Cai, Beijing CN

Patent application numberDescriptionPublished
20120075840LIGHT EMITTING DIODE PACKAGE UNIT, METHOD FOR MANUFACTURING THE SAME AND BACKLIGHT - A light emitting diode package unit, a method for manufacturing the same and a backlight are disclosed. The light emitting diode package unit comprising a LED chip and a light uniformization structure formed above the LED chip in the direction of exiting light.03-29-2012

Wei Cai, Beijing CN

Patent application numberDescriptionPublished
20120056502AC Electric Machine With Claw Poles - An AC claw-pole electric motor includes a casing, a stator connected with the casing, a rotor and two exciting parts. The rotor includes a rotor shaft (03-08-2012

Wei Jia Cai, Beijing CN

Patent application numberDescriptionPublished
20100073377METHOD AND APPARATUS FOR ANIMATING TRANSITION AMONG DYNAMIC GRAPH SERIES - A method and an apparatus for animating transition among a dynamic graph series including a preceding graph and a succeeding graph which are temporally sequentially displayed. The method includes: selecting an unchanged node which is the nearest to a removed node and merging through animation the removed node with the unchanged node, thereby animating removal of the removed node; and selecting an unchanged node which is the nearest to an added node and splitting through animation the added node from the unchanged node, thereby animating addition of the added node. During the animation, the moving distances of the nodes can be shortened, and the crossing of movement paths and the crossing of graph edges can be prevented during the movement of the nodes, thereby visualizing smoothly and clearly transition among dynamic graph series.03-25-2010

Wenbo Cai, Beijing CN

Patent application numberDescriptionPublished
20110307315Mobile communication terminal, data processing method for mobile communication terminal and settlement terminal - The present invention relates to a mobile communication terminal, a data processing method for mobile communication terminal and a settlement terminal, wherein the mobile communication terminal includes: a first receiving unit configured to receive an electronic coupon under digital copyright protection from an external device and store it into a memory unit of the mobile communication terminal; a second receiving unit same as or different from the first receiving unit, and configured to receive a digital copyright file corresponding to the electronic coupon from a digital copyright issuing server, and store it into the memory unit; a display unit configured to display preferential information of the electronic coupon and/or a digital copyright permission corresponding to the digital copyright file; and a Digital Rights Management (DRM) agent configured to provide preferential identification information of the electronic coupon to a settlement terminal based on the digital copyright permission, for recognition by the settlement terminal.12-15-2011
20120059493MEDIA PLAYING APPARATUS AND MEDIA PROCESSING METHOD - The present invention relates to a media playing apparatus and a media processing method. The media playing apparatus comprising a playing unit that plays media files containing tags, wherein the media playing apparatus further comprising: a recording unit that records play events of the media files by the playing unit; an extracting unit that extracts the tags of the media files played by the playing unit; and an acquiring unit that acquires a media file playing frequency or a media file amount corresponding to each tag of a predetermined tag type among the extracted tags according to the play events recorded by the recording unit. The embodiment of the present invention can acquire more media files or other information by using the media file playing frequency or the media file amount corresponding to each tag.03-08-2012

Xiao Cai, Beijing CN

Patent application numberDescriptionPublished
20090153517TOUCH PAD, NOTEBOOK COMPUTER AND METHOD OF CONTROLLING LIGHT EFFECT ON TOUCH PAD - This invention discloses a touch pad, comprising: a touch surface layer made of a photic material; an electrode layer placed under the touch surface layer, the electrode layer comprising photic electrodes arranged based on a pre-set first coordinate array; a light-emitting component layer placed under the electrode layer, the light-emitting component layer comprising light-emitting components forming a light-emitting dot matrix, a region of which light-emitting dot matrix can be controlled to emit light; and a control device electrically coupled to the electrode layer and the light-emitting component layer. There are also disclosed a notebook computer and a method of controlling a light effect on the touch pad. According to the present invention, it is possible to provide a user with a light feedback corresponding to the touch location based on the user's touch in a timely manner.06-18-2009

Xiongfei Cai, Beijing CN

Patent application numberDescriptionPublished
20100067789RECONSTRUCTION OF IMAGE IN A BAYER PATTERN - Architecture for decoding (demosaicing) a source image and performing reconstruction directly from the Bayer pattern to reduce memory size and improve communication bandwidth. The architecture can be easily implemented in hardware such as in field programmable gate arrays (FPGAs) and application-specific integrated circuits (ASICs).03-18-2010
20110320405DETACHABLE COMPUTER WITH VARIABLE PERFORMANCE COMPUTING ENVIRONMENT - Computing devices are often designed in view of a particular usage scenario, but may be unsuitable for usage in other computing scenarios. For example, a notebook computer with a large display, an integrated keyboard, and a high-performance processor suitable for many computing tasks may be heavy, large, and power-inefficient; and a tablet lacking a keyboard and incorporating a low-powered processor may improve portability but may present inadequate performance for many tasks. Presented herein is a configuration of a computing device featuring a display unit with a resource-conserving processor that may be used independently (e.g., as a tablet), but that may be connected to a base unit featuring a resource-intensive processor. The operating system of the device may accordingly transition between a resource-intensive computing environment and a resource-conserving computing environment based on the connection with the base unit, thereby satisfying the dual roles of workstation and portable tablet device.12-29-2011

Xiong-Fei Cai, Beijing CN

Patent application numberDescriptionPublished
20080262984Field-Programmable Gate Array Based Accelerator System - Accelerator systems and methods are disclosed that utilize FPGA technology to achieve better parallelism and flexibility. The accelerator system may be used to implement a relevance-ranking algorithm, such as RankBoost, for a training process. The algorithm and related data structures may be organized to enable streaming data access and, thus, increase the training speed. The data may be compressed to enable the system and method to be operable with larger data sets. At least a portion of the approximated RankBoost algorithm may be implemented as a single instruction multiple data streams (SIMD) architecture with multiple processing engines (PEs) in the FPGA. Thus, large data sets can be loaded on memories associated with an FPGA to increase the speed of the relevance ranking algorithm.10-23-2008
20100076911Automated Feature Selection Based on Rankboost for Ranking - A method using a RankBoost-based algorithm to automatically select features for further ranking model training is provided. The method reiteratively applies a set of ranking candidates to a training data set comprising a plurality of ranking objects having a known pairwise ranking order. Each round of iteration applies a weight distribution of ranking object pairs, yields a ranking result by each ranking candidate, identifies a favored ranking candidate for the round based on the ranking results, and updates the weight distribution to be used in next iteration round by increasing weights of ranking object pairs that are poorly ranked by the favored ranking candidate. The method then infers a target feature set from the favored ranking candidates identified in the iterations.03-25-2010
20100076915Field-Programmable Gate Array Based Accelerator System - Accelerator systems and methods are disclosed that utilize FPGA technology to achieve better parallelism and processing speed. A Field Programmable Gate Array (FPGA) is configured to have a hardware logic performing computations associated with a neural network training algorithm, especially a Web relevance ranking algorithm such as LambaRank. The training data is first processed and organized by a host computing device, and then streamed to the FPGA for direct access by the FPGA to perform high-bandwidth computation with increased training speed. Thus, large data sets such as that related to Web relevance ranking can be processed. The FPGA may include a processing element performing computations of a hidden layer of the neural network training algorithm. Parallel computing may be realized using a single instruction multiple data streams (SIMD) architecture with multiple arithmetic logic units in the FPGA.03-25-2010
20110191690Combined Surface User Interface - Techniques for utilizing two or more mobile devices equipped with projectors to generate a combined seamless user interfaces by stitching projection areas generated by the projectors.08-04-2011
20120092040Field-Programmable Gate Array Based Accelerator System - Accelerator systems and methods are disclosed that utilize FPGA technology to achieve better parallelism and flexibility. The accelerator system may be used to implement a relevance-ranking algorithm, such as RankBoost, for a training process. The algorithm and related data structures may be organized to enable streaming data access and, thus, increase the training speed. The data may be compressed to enable the system and method to be operable with larger data sets. At least a portion of the approximated RankBoost algorithm may be implemented as a single instruction multiple data streams (SIMD) architecture with multiple processing engines (PEs) in the FPGA. Thus, large data sets can be loaded on memories associated with an FPGA to increase the speed of the relevance ranking algorithm.04-19-2012

Patent applications by Xiong-Fei Cai, Beijing CN

Xuan Cai, Beijing CN

Patent application numberDescriptionPublished
20120041609CONTROL METHOD OF AUTOMATIC LUBRICATION SYSTEM OF VARIABLE-PITCH BEARING USED FOR WIND TURBINE GENERATOR SYSTEM - The present invention provides a control method of an automatic lubrication system of a variable-pitch bearing used for a wind turbine generator system (WTGS). The method comprises the following steps: calculating a current friction factor of the variable-pitch bearing using a current friction moment of the variable-pitch bearing of WTGS; determining a demand of lubrication grease according to the operation power of WTGS and the current friction factor of the variable-pitch bearing, wherein the friction factor of the variable-pitch bearing to be obtained is taken as an objective; customizing a lubrication control strategy according to the demand of lubrication grease, wherein a predetermined energy production of WTGS is taken as an objective; calculating lubrication target regions according to an average wind speed and a power of an wind turbine, the lubrication target regions being operation regions of the tooth surfaces of the variable-pitch bearing; meanwhile, calculating an angle difference between grease discharge points of a lubrication pinion and the lubrication target regions; moving the angle difference by an actuator of a variable-pitch system under the control of the main controller of the WTGS, and carrying out automatic lubrication according to the control strategy. The present invention has the advantage that good lubrication is realized for the variable-pitch bearing and variable-pitch tooth surfaces.02-16-2012

Xue Jun Cai, Beijing CN

Patent application numberDescriptionPublished
20110228744Application Identification in Mobile Networks - An apparatus includes a unit configured to perform an application identification on a traffic flow, and a unit configured to generate identification information as a result of the application identification. A unit is configured to store identification information, and a unit is configured to provide identification information during a connection handover procedure.09-22-2011

Yali Cai, Beijing CN

Patent application numberDescriptionPublished
20100127921Granularity Control In Publishing Information - A system and method for sharing user information between online services may determine a degree of relationship between the services to determine how much, and what precision level, of user information should be shared. In one example, the user information may be global positioning system (GPS) location information for the user, and requesting users (or systems) receive different levels of the location information based on their respective relationships to the user and/or the user's online information service. The relationship between services may be user-defined using onscreen graphical tools. The determination may also include determining the levels of activity of users at the services, whereby information regarding less active users is less detailed than information regarding active users.05-27-2010

Yimao Cai, Beijing CN

Patent application numberDescriptionPublished
201200616373-D STRUCTURED NONVOLATILE MEMORY ARRAY AND METHOD FOR FABRICATING THE SAME - The present invention relates to a field of nonvolatile memory technology in ULSI circuits manufacturing technology and discloses a 3D-structured resistive-switching memory array and a method for fabricating the same. The 3D-structured resistive-switching memory array according to the invention includes a substrate and a stack structure of bottom electrodes/isolation dielectric layers, deep trenches are etched in the stack structure of the bottom electrodes/the isolation dielectric layers; a resistive-switching material layer and a top electrode layer are deposited on sidewalls of the deep trenches, wherein the top electrodes and the bottom electrodes are crossed over each other on the sidewalls of the deep trenches with the resistive-switching material being interposed at cross-over points, each of the cross-over points forms one resistive-switching memory cell, and all of the resistive-switching memory cells form the 3D-structured resistive-switching memory array, and the 3D resistive-switching memory in the array are isolated by the isolation dielectric layers. According to the invention, the storage density of a resistive-switching memory can be improved, the process can be simplified, and the cost of the process can be reduced.03-15-2012
20120099381EMBEDDED NON-VOLATILE MEMORY CELL, OPERATION METHOD AND MEMORY ARRAY THEREOF - The present invention discloses an embedded non-volatile memory cell, an operation method and a memory array thereof. The method includes using a gate of a selection transistor as a floating gate of a memory, and using a source electrode and a drain electrode of the selection transistor as a source electrode and a drain electrode of the memory; and then changing a threshold of the device by varying the electrode voltages, thereby realizing a storage and change of information. The invention has advantages of a small area, a low operating voltage, high operating speed and high reliability.04-26-2012

Ying Cai, Beijing CN

Patent application numberDescriptionPublished
20120056588Use of Battery Energy for Power Grid Optimization and Electric Vehicle Charging - The use of battery cells to store energy for EV charging and grid optimization and regulation service. The major components of the system and the benefits of such concept are also described.03-08-2012

Yu Cai, Beijing CN

Patent application numberDescriptionPublished
20090274166Bandwidth Reservation in a TDMA-based Network - A method of bandwidth reservation in a TDMA-based network comprising a plurality of media access slots, wherein a plurality of transmitter-receiver pairs in the network may reserve the same media access slot.11-05-2009

Yuemin Cai, Beijing CN

Patent application numberDescriptionPublished
20100103855METHOD, SYSTEM AND BASE STATION FOR TRANSMITTING MBMS IN SINGLE FREQUENCY NETWORK - A method, system and base station for transmitting MBMS in a single frequency network are provided. The method includes: sending, by an RNC, MBMS data to base stations of the target cells or sectors, distributing the same time and frequency resources, scrambling code and midamble to the cells or sectors to transmit the MBMS data, sending information of the distributed resources, scrambling code and midamble to the base stations and UEs of the target cells or sectors; and rotating, by each of the base stations, the MBMS burst signal to be sent by a random phase, sending the rotated signal to the UE using time and frequency resources distributed by RNC. The system includes an RNC, base stations and a UE, and each of the base stations includes a phase processing module and a signal sending module.04-29-2010
20100189165Method, Device and System for Detecting Pilot Sequence Signal - A method for detecting pilot sequence signal includes: when the service data signal in the received signal is confirmed to be right, the said service data signal is extracted from the received signal, wherein, the service data signal and the pilot sequence signal in the received signal are located in the same slot; the pilot sequence signal is obtained from the received signal having been extracted the service data signal. At the same time, a communication device and a communication system are provided. The interference of pilot sequence signal made by the service data signal can be restrained, the detecting performance of the pilot sequence can be enhanced by using the present invention.07-29-2010
20100214915RESOURCE ALLOCATION / MANAGEMENT METHOD AND DEVICE BASED ON BLOCK REPEAT DIVISION MULTIPLE ACCESS - A resource allocation method based on block repeat division multiple access, involves the steps of: distributing the usable BRBG according to the service requirement of a user; distributing RC series for the said distributed BRBG. The present invention also provides a resource management method based on block repeat division multiple access, which involves the steps of: detecting the operation environment in a district for a period of time; adjusting the number of the BRB in the BRBG of the district, according to the operation environment of the district. The present invention also provides the resource allocation/management device based on block repeat division multiple access.08-26-2010
20100254341SIGNAL TRANSMISSION METHOD AND DEVICE - A signal transmission method, which includes: each data symbol needing to be transmitted is weighted and repeatedly extended to obtain the extended data symbol of each data symbol; the extended data symbol of each data symbol and the pilot frequency symbol are modulated and mapped to the specified time-frequency locations of each corresponding block repeat resource block to obtain each corresponding repeat data unit block; each repeat data unit block is transmitted. A signal transmission device is also disclosed in the present invention.10-07-2010

Zhaoling Cai, Beijing CN

Patent application numberDescriptionPublished
20080311646Carbon Supply Device for Cultivating Miro Algae in Large and Its Application Method and Use - Disclosed herein is a carbon supply device for supplying carbon dioxide during large scale cultivation of micro-algae in open pond, and its application method and use. The device comprises a trap container in which a partition plate is installed vertically and has a 10-50 cm gap from the container bottom, and the partition plate is higher than the wall of the trap container; and a gas distributor is positioned at the bottom of the container. In use, the trap carbon supply device is embedded in bottom of an open pond, wherein the partition plate is above the liquid level of the culture solution in the open pond such that the culture solution driven by a stirrer flows into the trap carbon supply device from one side thereof, and flows out of the device from the other side thereof, wherein the culture solution is mixed with carbon dioxide at the bottom of the container.12-18-2008

Zhipeng Cai, Beijing CN

Patent application numberDescriptionPublished
20100179234TRANSITION METAL NANOCATALYST, METHOD FOR PREPARING THE SAME, AND PROCESS FOR FISCHER-TROPSCH SYNTHESIS USING THE SAME - The present invention discloses a transition metal nano-catalyst, a method for preparing the same, and a process for Fischer-Tropsch synthesis using the catalyst. The transition metal nano-catalyst comprises transition metal nanoparticles and polymer stabilizers, and the transition metal nanoparticles are dispersed in liquid media to form stable colloids. The transition metal nano-catalyst can be prepared by mixing and dispersing transition metal salts and polymer stabilizers in liquid media, and then reducing the transition metal salts with hydrogen at 100-200° C. The nano-catalyst can be used for F-T synthesis reaction. The process for F-T synthesis using the nano-catalyst comprises contacting a reactant gas mixture comprising carbon monoxide and hydrogen with the catalyst and reacting. The catalyst can rotate freely in three-dimensional space under reaction conditions, and have excellent catalystic activity at a low temperature of 100-200° C. Those reaction conditions are much milder than those for current industrial catalysts for F-T synthesis (200-350° C.). In addition, the transition metal nanoparticles have smaller diameter and narrower diameter distribution, which is beneficial to control product distribution. Meanwhile, the catalyst can be easily separated from hydrocarbon products and reused. All of the above merits imply the broad application prospects of the transition metal nano-catalyst.07-15-2010
20110209814METHOD OF AND APPARATUS FOR WELD-BONDING WORKPIECES - A method of weld-bonding a plurality of workpieces to produce an improved peel joint, includes the formation of an adhesive layer and a weld nugget, and the securing of an adhesive cover relative the workpieces during bonding. The method is operable to partially prevent the migration of fluid adhesive material during construction, and to transfer at least a portion of peel loads to the shear strength of the adhesive material in the produced joint. The method may also be performed utilizing other interconnection means such as clinching or riveting.09-01-2011

Patent applications by Zhipeng Cai, Beijing CN