Patents by Inventor Xingjun Wang
Xingjun Wang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11972653Abstract: A lock, a vehicle parking system, and a vehicle parking method are provided. The lock includes a main body, a lock switch, a lock controller, a lock communication circuit, and a battery. The battery is connected to the lock switch, the lock controller, and the lock communication circuit, and configured to supply electrical energy to the lock switch, the lock controller, and the lock communication circuit. The lock communication circuit is connected to the lock controller, and transmits a locking instruction or an unlocking instruction to the lock controller when receiving the locking instruction or the unlocking instruction from a second device located outside the lock. The lock controller is connected to the lock switch connected to the main body, and the lock controller controls, when receiving the locking instruction or the unlocking instruction, the main body to perform a locking operation or an unlocking operation through the lock switch.Type: GrantFiled: March 12, 2020Date of Patent: April 30, 2024Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Shengwei Yang, Qi Zhang, Dong Wang, Jinlong Zheng, Lihong Yang, Sa Li, Xingjun Shu, Yajun Guo, Yafeng Wang, Jianye Tang, Gaowei Chen, Yanchao Zhang, Desheng Xiang, Xi Chen
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Publication number: 20230224517Abstract: A video information periodic broadcasting method includes segmenting video information with an equal duration to obtain video segments Si of each time series, where i is the segment serial number of the video segments. The video segments Si are connected in series in an order of ascending the segment serial numbers. Segmenting each video segment Si with an equal duration to obtain video sub-segments Si,j of each time series, where the number of the video sub-segments Si,j of each time series is equal to the segment serial number of the video segments corresponding to the same time series, j is the sub-segment serial numbers of all the video sub-segments of the video segment. The video sub-segments Si,j are connected in series in an order of ascending the sub-segment serial numbers to form the video segment Si. Transmitting the video sub-segments through multiple periodic broadcasting channels with an equal bandwidth.Type: ApplicationFiled: March 13, 2023Publication date: July 13, 2023Inventor: Xingjun WANG
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Patent number: 11606585Abstract: A video information periodic broadcasting method includes segmenting video information with an equal duration to obtain video segments Si of each time series, where i is the segment serial number of the video segments. The video segments Si are connected in series in an order of ascending the segment serial numbers. Segmenting each video segment Si with an equal duration to obtain video sub-segments Si,j of each time series, where the number of the video sub-segments Si,j of each time series is equal to the segment serial number of the video segments corresponding to the same time series, j is the sub-segment serial numbers of all the video sub-segments of the video segment. The video sub-segments Si,j are connected in series in an order of ascending the sub-segment serial numbers to form the video segment Si. Transmitting the video sub-segments through multiple periodic broadcasting channels with an equal bandwidth.Type: GrantFiled: October 28, 2019Date of Patent: March 14, 2023Assignees: NANJING SUPERCOHESION COMMUNICATION SCIENCE & TECHNOLOGY CO , LTD., TSINGHUA SHENZHEN INTERNATIONAL GRADUATE SCHOOLInventor: Xingjun Wang
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Patent number: 11496805Abstract: A video distribution method and apparatus and an electronic device, where the video distribution method includes: obtaining a popularity of each video program, wherein the popularity is a preference degree of a user group for a video program within a statistic time period; and determining, according the popularity of each video program, to distribute a video content of the video program through repeating broadcasting channels or by means of broadcasting on demand.Type: GrantFiled: October 28, 2019Date of Patent: November 8, 2022Assignees: NANJING SUPERCOHESION COMMUNICATION SCIENCE & TECHNOLOGY CO., LTD., TSINGHUA SHENZHEN INTERNATIONAL GRADUATE SCHOOLInventor: Xingjun Wang
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Publication number: 20220046294Abstract: A video information periodic broadcasting method includes segmenting video information with an equal duration to obtain video segments Si of each time series, where i is the segment serial number of the video segments. The video segments Si are connected in series in an order of ascending the segment serial numbers. Segmenting each video segment Si with an equal duration to obtain video sub-segments Si,j of each time series, where the number of the video sub-segments Si,j of each time series is equal to the segment serial number of the video segments corresponding to the same time series, j is the sub-segment serial numbers of all the video sub-segments of the video segment. The video sub-segments Si,j are connected in series in an order of ascending the sub-segment serial numbers to form the video segment Si. Transmitting the video sub-segments through multiple periodic broadcasting channels with an equal bandwidth.Type: ApplicationFiled: October 28, 2019Publication date: February 10, 2022Inventor: Xingjun WANG
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Publication number: 20220021940Abstract: A video distribution method and apparatus and an electronic device, where the video distribution method includes: obtaining a popularity of each video program, wherein the popularity is a preference degree of a user group for a video program within a statistic time period; and determining, according the popularity of each video program, to distribute a video content of the video program through repeating broadcasting channels or by means of broadcasting on demand.Type: ApplicationFiled: October 28, 2019Publication date: January 20, 2022Inventor: Xingjun WANG
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Patent number: 10685094Abstract: A digital rights management (DRM) method for an intelligent operating system comprises: acquiring a play list of media data to be played and encrypted media data; inquiring and acquiring one or more DRM application modules, wherein the DRM application module contains an identifier of a trusted application module; requesting DRM authorization by the DRM application module from a DRM server, judging a content permission and acquiring an encrypted content encryption key (ECEK) and transmitting the ECEK to a TEE; after judging that the content permission is legitimate; decrypting the ECEK acquired by the trusted application module which is in the TEE and corresponds to the trusted application module identifier to acquire a content encryption key (CEK), and decrypting the encrypted media data by using the CEK; and storing the decrypted media data in a security cache region for decoding and outputting.Type: GrantFiled: December 1, 2016Date of Patent: June 16, 2020Assignees: Beijing Novel-Super Digital TV Technology Co., LTD, Academy of Broadcasting Science, State Administration of Press, Publication, Radio, Film & Television, Unitend Technologies, Inc.Inventors: Zhifan Sheng, Xingjun Wang, Lei Wang, Zhijian Liang, Xiaoxia Guo, Jing Zhang, Peiyu Guo
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Publication number: 20180367829Abstract: Disclosed is a method for implementing a digital rights management-enabled media gateway. The media gateway comprises a trusted execution environment and a trusted application configured therein. The method comprises: acquiring a videoPid, an audioPid, a casId, an ecmPid, and an emmPid of a program; parsing the ecmPid and the emmPid using a parsing mechanism that matches the casId, obtaining encryption level keys EK1 and EK2 and an encryption control word ECW; descrambling the scrambled program data stream using the EK1, EK2, ECW, videoPid and audioPid of the program; generating a content encryption key CEK by the trusted application, encrypting the descrambled program data using the CEK and transmitting the same to the terminal; acquiring a public key from the terminal, encrypting the CEK with the public key by the trusted application to obtain an encrypted content encryption key ECEK and transmitting the ECEK to the terminal.Type: ApplicationFiled: December 1, 2016Publication date: December 20, 2018Inventors: Zhifan SHENG, Xingjun WANG, Lei WANG, Zhijian LIANG, Peiyu GUO, Xiaoxia GUO
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Publication number: 20180357394Abstract: A digital rights management (DRM) method for an intelligent operating system comprises: acquiring a play list of media data to be played and encrypted media data; inquiring and acquiring one or more DRM application modules, wherein the DRM application module contains an identifier of a trusted application module; requesting DRM authorization by the DRM application module from a DRM server, judging a content permission and acquiring an encrypted content encryption key (ECEK) and transmitting the ECEK to a TEE; after judging that the content permission is legitimate; decrypting the ECEK acquired by the trusted application module which is in the TEE and corresponds to the trusted application module identifier to acquire a content encryption key (CEK), and decrypting the encrypted media data by using the CEK; and storing the decrypted media data in a security cache region for decoding and outputting.Type: ApplicationFiled: December 1, 2016Publication date: December 13, 2018Inventors: Zhifan SHENG, Xingjun WANG, Lei WANG, Zhijian LIANG, Xiaoxia GUO, Jing ZHANG, Peiyu GUO
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Patent number: 9479825Abstract: The terminal comprises a tuner, a security chip and a digital television terminal main chip. The tuner is used to receive cable television broadcast data through a cable for cable televisions, and transmit the received cable television broadcast data to the security chip. A key message required by CA is stored in the security chip. The security chip is used to extract stream media of a program needing to be played from the received cable television broadcast data, descramble the stream media according to the stored key message required by the CA, encrypt the descrambled stream media, and transmit the encrypted stream media to the digital television terminal main chip. The digital television terminal main chip is used to decrypt the received encrypted stream media, decode the decrypted stream media to obtain audio and video data, and output the audio and video data.Type: GrantFiled: April 9, 2012Date of Patent: October 25, 2016Assignee: UNITEND TECHNOLOGIES INC.Inventor: Xingjun Wang
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Patent number: 9124772Abstract: Provided are a secure transmission method and apparatus for transport stream (TS). The method is applied to a receiving terminal of a digital television broadcasting system, comprising: after receiving a TS, a first device in the receiving terminal encrypts the received TS using a key already negotiated with a second device in the receiving terminal and utilizing a determined encryption algorithm, and sends the encrypted TS to the second device in the receiving terminal; after receiving the encrypted TS, the second device in the receiving terminal decrypts the received encrypted TS using the key and utilizing a decryption algorithm corresponding to the encryption algorithm. Using the present invention can protect the security of the TS transmission.Type: GrantFiled: April 9, 2012Date of Patent: September 1, 2015Inventor: Xingjun Wang
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Publication number: 20140093075Abstract: Provided are a secure transmission method and apparatus for transport stream (TS). The method is applied to a receiving terminal of a digital television broadcasting system, comprising: after receiving a TS, a first device in the receiving terminal encrypts the received TS using a key already negotiated with a second device in the receiving terminal and utilizing a determined encryption algorithm, and sends the encrypted TS to the second device in the receiving terminal; after receiving the encrypted TS, the second device in the receiving terminal decrypts the received encrypted TS using the key and utilizing a decryption algorithm corresponding to the encryption algorithm. Using the present invention can protect the security of the TS transmission.Type: ApplicationFiled: April 9, 2012Publication date: April 3, 2014Inventor: Xingjun Wang
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Publication number: 20140082658Abstract: The terminal comprises a tuner, a security chip and a digital television terminal main chip. The tuner is used to receive cable television broadcast data through a cable for cable televisions, and transmit the received cable television broadcast data to the security chip. A key message required by CA is stored in the security chip. The security chip is used to extract stream media of a program needing to be played from the received cable television broadcast data, descramble the stream media according to the stored key message required by the CA, encrypt the descrambled stream media, and transmit the encrypted stream media to the digital television terminal main chip. The digital television terminal main chip is used to decrypt the received encrypted stream media, decode the decrypted stream media to obtain audio and video data, and output the audio and video data.Type: ApplicationFiled: April 9, 2012Publication date: March 20, 2014Inventor: Xingjun Wang
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Patent number: 8195850Abstract: A UTI (Universal Transport Interface) is provided in the invention, the UTI comprising a transceiving unit, configured to receive and transmit data which accords with USB (Universal Serial Bus) specification; a detecting unit, configured to detect the data received by the transceiving unit to determine whether to convert the received data into data which accords with a particular specification; and a conversion unit, configured to convert the received data into the data which accords with the particular specification when determining that the received data should be converted into the data which accords with the particular specification, and to convert the transmission data which accords with the particular specification into data which accords with the USB specification for transmission via the transceiving unit. With the UTI provided in the invention, service cards may be separated from devices for DTV and various value-added services may be provided.Type: GrantFiled: August 3, 2004Date of Patent: June 5, 2012Assignee: United Technologies Inc.Inventors: Xingjun Wang, Yonglin Xue
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Patent number: 7862632Abstract: Disclosed is a multi-burner gasification reactor for gasification of slurry or pulverized hydrocarbon feed materials and industry applications thereof. Burners are disposed on the periphery or top of a gasification reactor vessel, wherein the side burners are at a small downward angle relative to the horizontal plane, which can prolong the life of refractory bricks. The operating pressure of the gasification reactor is 0.1˜12 MPa, and the operating temperature thereof is 1350° C.˜1700° C. The gasification reactor is applicable to a hot-wall lining as well as a cold-wall lining. The notable advantages of the gasification reactor are carbon conversion is high and can reach 99%, and the effective gas content is high; specific coal consumption and specific oxygen consumption are low; and it is applicable to a large coal gasification plant that processes above 3000 tons of coal per day.Type: GrantFiled: May 15, 2007Date of Patent: January 4, 2011Inventors: Zunhong Yu, Guangsuo Yu, Xin Gong, Fuchen Wang, Haifeng Liu, Zhenghua Dai, Yifei Wang, Weifeng Li, Qinfeng Liang, Xiaolei Guo, Xingjun Wang, Xueli Chen, Zhijie Zhou
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Publication number: 20080134578Abstract: Disclosed is a multi-burner gasification reactor for gasification of slurry or pulverized hydrocarbon feed materials and industry applications thereof. Burners are disposed on the periphery or top of a gasification reactor vessel, wherein the side burners are at a small downward angle relative to the horizontal plane, which can prolong the life of refractory bricks. The operating pressure of the gasification reactor is 0.1˜12 MPa, and the operating temperature thereof is 1350° C.˜1700° C. The gasification reactor is applicable to a hot-wall lining as well as a cold-wall lining. The notable advantages of the gasification reactor are carbon conversion is high and can reach 99%, and the effective gas content is high; specific coal consumption and specific oxygen consumption are low; and it is applicable to a large coal gasification plant that processes above 3000 tons of coal per day.Type: ApplicationFiled: May 15, 2007Publication date: June 12, 2008Inventors: Zunhong Yu, Guangsuo Yu, Xin Gong, Fuchen Wang, Haifeng Liu, Zhenghua Dai, Yifei Wang, Weifeng Li, Qinfeng Liang, Xiaolei Guo, Xingjun Wang, Xueli Chen, Zhijie Zhou
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Publication number: 20080010663Abstract: A UTI (Universal Transport Interface) is provided in the invention, the UTI comprising a transceiving unit, configured to receive and transmit data which accords with USB (Universal Serial Bus) specification; a detecting unit, configured to detect the data received by the transceiving unit to determine whether to convert the received data into data which accords with a particular specification; and a conversion unit, configured to convert the received data into the data which accords with the particular specification when determining that the received data should be converted into the data which accords with the particular specification, and to convert the transmission data which accords with the particular specification into data which accords with the USB specification for transmission via the transceiving unit. With the UTI provided in the invention, service cards may be separated from devices for DTV and various value-added services may be provided.Type: ApplicationFiled: August 3, 2004Publication date: January 10, 2008Inventors: Xingjun Wang, Yonglin Xue