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Jia, Shenzhen

Gongxian Jia, Shenzhen CN

Patent application numberDescriptionPublished
20090111303BUSBAR DEVICE AND CIRCUIT BOARD HAVING THE SAME - A busbar device includes a conductive body. The conductive body is provided with a number of mounting holes corresponding to the mounting holes of a mount device for mounting the busbar device. The conductive body is a flexible conductive body, and the distance between every two adjacent mounting holes in the conductive body is larger than or equal to the distance between two corresponding adjacent mounting holes in the mount device.04-30-2009
20090153213METHOD FOR REDUCING DELAY DIFFERENCE OF DIFFERENTIAL TRANSMISSION AND SYSTEM THEREOF - The present invention discloses a system and method for reducing delay difference of differential transmission, a certain delay difference between waveforms of the P signal and N signal is generated through controlling delay adjustment to P signal or N signal of the differential signals and controlling delay adjustment value simultaneously, to compensate for the delay difference of differential transmission due to the channels. Therefore, the present invention can reduce the delay difference of differential transmission due to property discrepancy of board materials and delay inconsistency among pins of the connectors, and at same time simplify the scheme design.06-18-2009
20100046182CIRCUIT BOARD INTERCONNECTION SYSTEM, CONNECTOR ASSEMBLY, CIRCUIT BOARD AND METHOD FOR MANUFACTURING A CIRCUIT BOARD - A circuit board interconnection system is disclosed according to the embodiments of the present invention. The system includes a first circuit board, a second circuit board, a third circuit board, a first connector and a second connector. The first connector and the second connector are mounted at two sides of the first circuit board respectively so that the second circuit board mounted on the first connector is perpendicular to the third circuit board on the second connector. The first connector and the second connector mounted respectively at two sides of the first circuit board are coupled to each other via an impedance controlled mechanism on the first circuit board. Another circuit board interconnection system, a circuit board, a connector assembly and a method for manufacturing a circuit board are disclosed according to the present invention. The circuit board adopts the impedance controlled mechanism which has a shielding function and an impedance controlled function to replace a via hole on the existing circuit board where the via hole has an uncontrollable resistance.02-25-2010
20110080719Circuit board interconnection system, connector assembly, circuit board and method for manufacturing a circuit board - A circuit board interconnection system is disclosed according to the embodiments of the present invention. The system includes a first circuit board, a second circuit board, a third circuit board, a first connector and a second connector. The first connector and the second connector are mounted at two sides of the first circuit board respectively so that the second circuit board mounted on the first connector is perpendicular to the third circuit board on the second connector. The first connector and the second connector mounted respectively at two sides of the first circuit board are coupled to each other via an impedance controlled mechanism on the first circuit board. Another circuit board interconnection system, a circuit board, a connector assembly and a method for manufacturing a circuit board are disclosed according to the present invention. The circuit board adopts the impedance controlled mechanism which has a shielding function and an impedance controlled function to replace a via hole on the existing circuit board where the via hole has an uncontrollable resistance.04-07-2011

Patent applications by Gongxian Jia, Shenzhen CN

Haibo Jia, Shenzhen CN

Patent application numberDescriptionPublished
20090106819METHOD AND SYSTEM FOR PROVIDING, USING RIGHTS DESCRIPTION - A method for providing rights description includes generating a rights expression for controlling the use of digital contents, where the rights expression uses a parameter constant to describe permission and constraint of the rights and uses a parameter variable to describe consumption state information of the rights, and providing the terminal device with the rights expression. A method for using rights description includes obtaining the rights expression for controlling the use of digital contents, transferring the value of the rights consumption state to the corresponding parameter variable in the rights expression, executing the rights expression to obtain the remaining consumption state information of the rights, and using the digital contents according to the remaining consumption state information. The disclosure also discloses a server, a terminal device, and a DRM system. The technical solution under the present disclosure extends the rights description language without upgrading the terminal device and sets the logic relations between different rights items flexibly.04-23-2009

Haigang Jia, Shenzhen CN

Patent application numberDescriptionPublished
20090055879SYSTEM AND METHOD FOR IMPLEMENTING STREAMING SERVICE - A circuit-switch streaming service (CSS) system includes a circuit-switch streaming service center (CSSC), and a video interworking gateway (VIG). The system also includes an application server (AS), and the AS is connected to the CSSC for initiating a video call command to the CSSC; the CSSC identifies the video call command initiated by the AS, establishes the connection with the called terminal through the gateway based on the command, and transmits the streaming content specified by the AS to the called terminal. The invention also provides a corresponding realization method of the CSS. According to the CSS, the service of initiatively transmitting the streaming content for users can be realized and a good way for developing various video services by the operators is provided.02-26-2009

Jia Jia, Shenzhen CN

Patent application numberDescriptionPublished
20100014872Method and apparatus for generating a dispersion compensation signal - An apparatus for generating a dispersion compensation signal includes a splitting module for splitting a data signal to be transmitted into N channels of data signals; N pre-processing modules for adjusting in frequency domain the phases and amplitudes of the N channels of data signals and outputting N channels of pre-warped electrical signals; an optical carrier generating module for generating N channels of coherent optical carriers; N electro-optic modulators for modulating the N channels of coherent optical carriers based on the N channels of pre-warped electrical signals and generating N channels of pre-warped optical signals; an optical coupling module for coupling the N channels of pre-warped optical signals into a dispersion compensation optical signal. By pre-processing the data signals, the present disclosure may allow the use of existing devices to generate a dispersion compensation signal so that the bandwidth requirement set by prior art on the electrical device is reduced.01-21-2010

Jiangtao Jia, Shenzhen CN

Patent application numberDescriptionPublished
20090327247METHOD, SYSTEM AND APPARATUS FOR STORING AND QUERYING SESSION HISTORY RECORDS - The present disclosure discloses a method, system and apparatus for storing and querying session history records. The method for storing session history records includes: receiving a request from the first server at the user side; judging whether the request carries a storage indication; if the request carries a storage indication, judging whether to store the session history records to be saved according to the storage policy. In the embodiments of the present disclosure, the storing of the session history records is managed uniformly, and the history record information of a session is stored only in the corresponding storage apparatus at the second server side rather than being stored in the network storage apparatus at each first server side, thus overcoming the defects of the prior art, namely, waste of network storage space and redundancy of stored information.12-31-2009
20100241686METHOD, SYSTEM AND DEVICE FOR IMPLEMENTING MEDIA NEGOTIATION - A method, a system, and a device for implementing media negotiation are provided. The method includes the following steps. A caller sets media levels, and sends a request carrying the media levels to a callee. After receiving a response carrying media selected by the callee according to the media levels returned from the callee, the caller performs corresponding processing according to the media selected by the callee. Through the method, the caller sets primary and optional media types and specifies the levels of each media type during the media negotiation process. Thus, the additional media information improves the efficiency of the media negotiation of a session.09-23-2010
20110161307METHOD, SYSTEM, AND DEVICE FOR SEARCHING FOR INFORMATION AND METHOD FOR REGISTERING VERTICAL SEARCH ENGINE - In the field of communications, a method, a system, and a device for searching for information, and a method for registering a vertical search engine are provided. The method for searching for information includes the following steps. A first search request sent by a user is received. A logic node is determined according to attribute information in the first search request. A vertical search engine selected by the logic node for the user is received. A second search request is sent to the vertical search engine. The method for registering the vertical search engine includes the following steps. A mobile search server receives and saves first registration information sent by the vertical search engine. Location information of a logic node corresponding to the vertical search engine is determined according to the first registration information. Second registration information is sent to the logic node according to the location information.06-30-2011

Patent applications by Jiangtao Jia, Shenzhen CN

Ligang Jia, Shenzhen CN

Patent application numberDescriptionPublished
20090174391ZERO CURRENT DETECTOR FOR A DC-DC CONVERTER - A zero current detector for a DC-DC converter includes a first transistor having a drain, a gate, and a source for sensing the voltage of a first terminal of a power transistor; a second transistor having a drain, a gate, and a source for sensing the voltage of a second terminal of a power transistor; and a third transistor having a coupled gate and drain for receiving a reference current that is coupled to the gates of the first and second transistors and a source coupled to the source of the first transistor, wherein an output signal is provided by the drains of the first and second transistors. A load is coupled to the drains of the first and second transistors. The zero current detector also includes a fourth transistor having a current path coupled between the source of the second transistor and the second terminal of the power transistor and a gate for receiving a control signal.07-09-2009

Qian Jia, Shenzhen CN

Patent application numberDescriptionPublished
20110211699Key distribution method and system - This invention discloses a key distribution method and system. The method includes: notifying, by an application provider management platform, a supplementary security domain of an application provider that is set on a smart card and corresponds to the application provider management platform to generate a public/private key pair including a public cryptographic key and a private cryptographic key; receiving, by the application provider management platform, the public cryptographic key from the supplementary security domain of the application provider that has been encrypted by the public key of the application provider obtained in advance and has been signed by a Controlling Authority Security Domain (CASD) on the smart card through a card issuer management platform; authenticating, by the application provider management platform, a signature and using the private key of the application provider to perform decryption to obtain the public cryptographic key; and sending, by the application provider management platform, a trust point's public is key used for external authentication and a certificate of the supplementary security domain of the application provider to the supplementary security domain of the application provider after the trust point's public key and the certificate have been encrypted by the public cryptographic key of the supplementary security domain of the application provider and the encrypted data have been signed by the private key of the application provider, to complete distribution of a key of the supplementary security domain.09-01-2011
20110296182System and method for downloading application - A method for downloading an application is disclosed by the present invention which is implemented based on an application downloading system including a smart card, a mobile terminal, an Over The Air (OTA) server and an outside-card entity management platform. The outside-card entity management platform establishes a connection with the smart card through the OTA server and mobile terminal, selects a security domain for application downloading in the smart card after receiving an application downloading request from the smart card, establishes a security channel with the smart card, and downloads the application to the smart card based on the security channel. By using the system and method for downloading an application of the present invention, the application may be downloaded to the smart card over a mobile communication network at a high speed, in real time, conveniently and safely, with user experience being improved.12-01-2011
20110312271TERMINAL OF SUPPORTING ENHANCED NEAR FIELD COMMUNICATION AND ITS PROCESSING METHOD - The present invention provides a terminal supporting eNFC and its processing method, in which a card emulation mode is disabled when a user card does not support SWP, and NFC in non card emulation modes can further be supported. A mobile terminal disabling/enabling the NFC function is implemented by the interaction of the mobile terminal with a NFC emulation front end chip therein. When the terminal determines that the user card does not support the SWP interface, it disables the NFC function. If the terminal is required to work in a non card emulation mode, the terminal starts a NFC application in the non card emulation, mode, and enables the NFC function when determining that the NFC function is in a disabled state; after the NFC ends, the terminal disables the NFC function when determining that the user card does not support the SWP interface.12-22-2011
20120021683Enhanced near field communication terminal, smart card and communication method thereof - The present invention discloses a smart card communication method, a smart card, and an enhanced near field communication NFC terminal. The method is used for communication between the smart card and an NFC contactless front-end chip; when installing a contactless payment application, the smart card records a communication standard adopted by a contactless payment system corresponding to the contactless payment application, wherein the communication standard is identified by identification information provided by the contactless payment application; it further comprises: for each card application gate, the smart card judges whether a contactless payment application corresponding to the card application gate exists based on the identification information; if yes, creating a pipe between the card application gate and a corresponding card RF gate in the NFC contactless front-end chip.01-26-2012

Wenwen Jia, Shenzhen CN

Patent application numberDescriptionPublished
20100102270Method for Preparing Lithium Iron Phosphate as a Positive Electrode Active Material for a Lithium Ion Secondary Battery - Disclosed herein is a method for preparing lithium iron phosphate as a positive electrode active material for a lithium ion secondary battery comprising drying and sintering a mixture containing a lithium source, ferric oxide, phosphoric acid, a carbon source, and a solvent, in which the solvent is water and/or water soluble organic solvent. The lithium iron phosphate prepared by the inventive method has small particle size and uniform particle size distribution, and the battery prepared from the lithium iron phosphate has high initial discharge specific capacity, and good large-current discharge property and cycle performance.04-29-2010

Xi Jia, Shenzhen CN

Patent application numberDescriptionPublished
20110182014Data Card - A data card includes a circuit board, a holder, an upper cover, a connecting wire, and an interface. The circuit board is fixed in the holder. One end of the flexible connecting wire is connected with the circuit board, and the other end of the flexible connecting wire is connected with the interface. The upper cover covers the holder. When the data card is idle, the interface and the flexible connecting wire are located in the cavity formed by the upper cover and the holder. When the data card is connected with an external device by the interface, the interface is located outside the cavity formed by the upper cover and the holder. The data card enables flexible adjustment of the location of the interface, and fixes the upper cover on the data card when the data card is connected for use.07-28-2011

Xia Jia, Shenzhen CN

Patent application numberDescriptionPublished
20110173301Media resource system and media resource providing method - A media resource system and a media resource providing method are provided. The media resource system includes: a service processing module which is used to process the media resource system logically; a user configuration information module which is used to set and/or store the user configuration information associated with the service; a resource storage and management module which is used to store and manage media resources. The personalized media resource playing could be realized in a manner that a variety of services use a suit of media resource system commonly.07-14-2011

Xiaoqiang Jia, Shenzhen CN

Patent application numberDescriptionPublished
20120102072Distributed management monitoring system, monitoring method and creating method thereof - The present disclosure discloses a method for creating a distributed management monitoring system to create a distributed management monitoring system based on a distributed file system. Moreover, the present disclosure further discloses a monitoring method of the distributed management monitoring system, the method includes: updating a file of recording monitoring information regularly and correspondingly updating a device descriptor table by a sub-file system of the distributed management monitoring system; updating the device descriptor table and informing a server to update a file descriptor table by the sub-file system; and finding a device descriptor table corresponding to a designated network element through traversing the file descriptor table and reading a designated file according to the device descriptor table by the server. Accordingly, the present disclosure provides a distributed management monitoring system, the system includes: a server, a file descriptor table and a sub-file system. Therefore, by utilizing the present disclosure, each network element is enabled to monitor itself independently, unnecessary communications among network elements are reduced, and the stability of the distributed management monitoring system is enhanced.04-26-2012

Yan Jia, Shenzhen CN

Patent application numberDescriptionPublished
20080284779METHOD OF DISPLAYING 3-D AVATAR AND SYSTEM THEREOF - A method of displaying a 3-D avatar provided includes acquiring a 3-D avatar configuration file for a current user; acquiring at least one 3-D item suite indicated by the 3-D avatar configuration file; displaying the at least one 3-D item suite according to the 3-D avatar configuration file. An instant messaging client, a server and a system of displaying a 3-D avatar are also provided. With the above technical solutions, a 3-D avatar is displayed in an IM client, with which a user can exhibit different personal images by freely choosing different 3-D item suite.11-20-2008

Yongli Jia, Shenzhen CN

Patent application numberDescriptionPublished
20110143747Method for collecting communication information, test method and network device - A method for collecting communication information, a test method and a network device are disclosed. The method for collecting communication information includes: presetting a command for collecting diagnostic information about voice quality, and obtaining Dual Tone Multi Frequency (DTMF) signals; and judging whether the DTMF signals match a preset command for collecting diagnostic information about voice quality, and collecting information according to the preset command if determining that the DTMF signals match the preset command. A test method is also provided, and, accordingly, a network device is provided. Through the technical solution under the present invention, diagnostic information is collected quickly after a voice quality problem occurs.06-16-2011

Zengli Jia, Shenzhen CN

Patent application numberDescriptionPublished
20110010741METHOD, SYSTEM AND DEVICE FOR CONTROLLING INTERACTIVE VIDEO SERVICE - A method for controlling an interactive video service is provided. The method includes the following steps: receiving a control request sent by a terminal device; obtaining an identifier of a Set Top Box (STB) device corresponding to the terminal device; and controlling a media stream of the STB device corresponding to the identifier of the STB device according to the control request. A system and a device for controlling an interactive video service are also provided. Thus, through the interaction between the terminal device and a Video On Demand (VOD) system, the program guide browsing and on-demand control for the interactive video service are realized for STB users. Therefore, without significantly modifying the broadcast and television network, the problem that some STB users cannot use an interactive video service currently is solved. In addition, the STB users can perform operations such as program guide browsing, on-demand initiating, and on-demand session control on handset devices, so that desirable service experience is achieved.01-13-2011
20110023061RESOURCE SCHEDULING APPARATUS AND METHOD, PROGRAM REQUESTING METHOD AND SYSTEM - A resource scheduling apparatus, a resource scheduling method, a program requesting method, a program requesting system, and a Set Top Box (STB) are provided. The resource scheduling method includes: distributing bandwidth greater than an inherent code rate of a program respectively requested by a user to a Video On Demand (VOD) program of the user within available bandwidth of a frequency point according to a received VOD user request; and reducing the bandwidth distributed to at least one VOD program to which bandwidth has been distributed according to the received VOD user request for currently requesting the program when the available bandwidth of the frequency point is smaller than an inherent code rate of a currently requested program, so that the available bandwidth of the frequency point is greater than or equal to the inherent code rate of the currently requested program. Thus, a transmission speed of the program and a utilization ratio of the bandwidth are increased.01-27-2011