Patents by Inventor Can Liu
Can Liu 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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Publication number: 20220072885Abstract: A model inversion-based iterative learning control method for a printer and a printer system. An error of a desired trajectory and an actual displacement of a printing paper and an error of a reference input and an actual displacement of a motor are considered at the same time to construct an iterative learning control model for the printer based on an inversion model, so as to iteratively modify an error failing to meet requirements.Type: ApplicationFiled: November 15, 2021Publication date: March 10, 2022Inventors: Yulin WANG, Huanlao LIU, Can LIU, Haitao LIU
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Patent number: 11183814Abstract: A surface-emitting laser, which is a ridge waveguide structure, including: a substrate, a first cladding layer, an active layer, a conductive layer, a second cladding layer; the Bragg gratings is etched on the surface of the ridge waveguide; the two upper electrodes are disposed on both sides of the ridge waveguide; two grooves are formed between the ridge waveguide and each of the two upper electrodes; the first waveguide cladding layer includes one or more current confinement regions; or a buried tunnel junction is formed in the second cladding layer for limiting current. The Bragg gratings comprise two first-order gratings and one second-order grating placed between two first-order gratings.Type: GrantFiled: December 28, 2019Date of Patent: November 23, 2021Assignees: HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Weihua Guo, Can Liu, Pengfei Zhang, Qiaoyin Lu
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Publication number: 20210013699Abstract: A surface-emitting laser, which is a ridge waveguide structure, including: a substrate, a first cladding layer, an active layer, a conductive layer, a second cladding layer; the Bragg gratings is etched on the surface of the ridge waveguide; the two upper electrodes are disposed on both sides of the ridge waveguide; two grooves are formed between the ridge waveguide and each of the two upper electrodes; the first waveguide cladding layer includes one or more current confinement regions; or a buried tunnel junction is formed in the second cladding layer for limiting current. The Bragg gratings comprise two first-order gratings and one second-order grating placed between two first-order gratings.Type: ApplicationFiled: December 28, 2019Publication date: January 14, 2021Inventors: Weihua GUO, Can LIU, Pengfei ZHANG, Qiaoyin LU
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Patent number: 10617734Abstract: The present invention relates to a chemical and pharmaceutical technology, and in particular to a STAT3 and ERK signal pathway inhibitor and a use thereof. The present invention provides a STAT3 and ERK signal pathway inhibitor. The inhibitor mainly consists of a mogroside and/or an analog thereof. The mogroside and the analog thereof inhibit the phosphorylation of a transcription factor STAT3 and the phosphorylation of an ERK. The method for preparing the mogroside and the analog has the characteristics of simpleness, strong operability and high purity of products. The present invention further provides a use of the STAT3 and ERK signal pathway inhibitor in the preparation of drugs for treating tumors, which realizes the purposes of inhibiting the proliferation of cancer cells and promoting the apoptosis of cancer cells and has a very good inhibition effect on cancers.Type: GrantFiled: December 23, 2015Date of Patent: April 14, 2020Assignee: BEIJING UNIVERSITY OF AGRICULTUREInventors: Can Liu, Lanqing Ma, Dequan Dou, Yuanxia Sun, Long Rong, Xiaomeng Zhao, Juntao Li, Yan Wang, Zhengzi Bi, Xiaozhu Bi, Haiwen Hu
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Patent number: 10542458Abstract: This application discloses a data communication method implemented at an electronic device. The electronic device obtains a sequence of data packets. Each data packet complies with a first data format corresponding to a network access protocol and comprises a respective header that further includes a data length field for specifying a length of the respective data packet. Data are then assigned to the data length fields of the sequence of data packets according to a second data format. The electronic device encrypts the sequence of data packets including the assigned data. The encrypted data packets are then sent to a receiver device that is communicatively coupled to the electronic device via a wireless network. The receiver device is configured to retrieve the assigned data from the data length fields of the data packets according to the first and second data formats and perform operations in accordance with the retrieved data.Type: GrantFiled: January 26, 2018Date of Patent: January 21, 2020Assignee: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITEDInventors: Chenglin Liu, Liangliang Fan, Kai Liu, Xiangyao Lin, Can Liu, Rungui Ye, Lejun Liu
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Patent number: 10484197Abstract: An IoT communication method, including: receiving via an account of the communication end, access information or control information sent from an account of a user end. The access information includes an identifier of a source terminal and an access command which accesses status information of the source terminal. The control information includes the identifier of the source terminal and a control command which controls the source terminal, the account of the communication end and the account of the user end are bound to each other in instant messaging software; sending the access command or the control command to the source terminal specified by the identifier of the source terminal; obtaining source information which the source terminal returns in response to receiving the access command or the control command from the communication end; sending, via the account of the communication end, the source information to the account of the user end.Type: GrantFiled: May 26, 2016Date of Patent: November 19, 2019Assignee: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITEDInventors: Lejun Liu, Liangliang Fan, Kai Liu, Xiangyao Lin, Chenglin Liu, Can Liu
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Patent number: 10419941Abstract: Provided are a method and a device for sending by occupying an unlicensed carrier, and an access point. The method includes that an access point occupies an unlicensed carrier according to a continuous occupation mode and sending data and/or signals on the unlicensed carrier; or the access point occupies the unlicensed carrier according to the continuous occupation mode or an ordinary mode and sends a downlink reference signal on the unlicensed carrier according to a preset policy. The technical solution provided by the present document can reduce the time needed for the access point to process operations such as synchronization and CSI acquisition other than data sending after the access point preempts a resource at each time.Type: GrantFiled: January 22, 2015Date of Patent: September 17, 2019Assignee: ZTE CORPORATIONInventors: Hanqing Xu, Can Liu, Yajun Zhao, Linmei Mo
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Patent number: 10202604Abstract: Provided herein are methods of treating a cancer in an individual. A microRNA-141 oligonucleotide or mimic that increases the expression of microRNA-141 in the cancer cell is administered to the individual. Also provided is a method of inhibiting proliferation of a cancer cell and treating a cell associated with a cancer. The cell is contacted with the microRNA-141 oligonucleotide or mimic.Type: GrantFiled: May 26, 2017Date of Patent: February 12, 2019Assignee: Stemirna Therapeutics Co., Ltd.Inventors: Dean Tang, Can Liu
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Patent number: 10179121Abstract: The invention discloses statins compounds used as local intraosseous application for the treatment of ischemic diseases, in particular, discloses local intraosseous application of statin compounds in the treatment of peripheral ischemic diseases or cardio-cerebrovascular ischemic diseases.Type: GrantFiled: September 1, 2016Date of Patent: January 15, 2019Assignee: Peking University Third HospitalInventors: Chunli Song, Yingsheng Xu, Jie Tan, Qi Guo, Can Liu
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Patent number: 10165446Abstract: This application discloses a data transfer method for transferring information concerning a service set associated with a communication network. An electronic device obtains a plurality of data packets that comply with a specific data format corresponding to a network access protocol, and each data packet includes a respective header that further includes at least one data field. A service set identifier (SSID) data set is arranged in the at least one data field of the plurality of data packets according to a link layer data structure. The SSID data set at least includes a SSID and a SSID password, and identifies a wireless network that transmits the plurality of data packets and is accessible when the SSID password is verified. The data packets that include the SSID data set are encrypted, and to a receiver device that is communicatively coupled to the electronic device via the identified wireless network.Type: GrantFiled: February 21, 2018Date of Patent: December 25, 2018Assignee: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITEDInventors: Chenglin Liu, Liangliang Fan, Xiangyao Lin, Rungui Ye, Can Liu, Kai Liu, Jinhai Liu, Lejun Liu
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Patent number: 10136060Abstract: An Internet Protocol (IP) camera control method, apparatus, and system to prevent the IP camera from being always in a working state, where the method includes waiting, by the IP camera, for receiving a standby instruction, where the IP camera is currently in the working state, and switching, by the IP camera, from the working state to a standby state when the IP camera receives the standby instruction from a server, such that power consumption of the IP camera is reduced.Type: GrantFiled: June 15, 2017Date of Patent: November 20, 2018Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Can Liu, Gaofei Li
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Patent number: 10034249Abstract: A method and device for controlling power, and a base station are provided. The method includes: when the service type of User Equipment (UE) is a pre-designated service type, acquiring a Hybrid Automatic Repeat Request (HARQ) process activation/deactivation flag of the UE; and in a deactivated HARQ process corresponding to the HARQ process deactivation flag of the UE, adjusting at least one of the power control related parameters, so as to reduce the transmit power of the UE. Through the embodiment of the present disclosure, when a certain HARQ process is deactivated, the base station can notify the UE to reduce the transmit power, so as to reduce the uplink interference, thereby increasing the uplink capacity of system, reducing unnecessary power waste and prolonging the standby time of the UE.Type: GrantFiled: May 29, 2014Date of Patent: July 24, 2018Assignee: ZTE CORPORATIONInventors: Meiying Wang, Tao Liu, Can Liu
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Publication number: 20180184294Abstract: This application discloses a data transfer method for transferring information concerning a service set associated with a communication network. An electronic device obtains a plurality of data packets that comply with a specific data format corresponding to a network access protocol, and each data packet includes a respective header that further includes at least one data field. A service set identifier (SSID) data set is arranged in the at least one data field of the plurality of data packets according to a link layer data structure. The SSID data set at least includes a SSID and a SSID password, and identifies a wireless network that transmits the plurality of data packets and is accessible when the SSID password is verified. The data packets that include the SSID data set are encrypted, and to a receiver device that is communicatively coupled to the electronic device via the identified wireless network.Type: ApplicationFiled: February 21, 2018Publication date: June 28, 2018Inventors: Chenglin LIU, Liangliang FAN, Xiangyao LIN, Rungui YE, Can LIU, Kai LIU, Jinhai LIU, Lejun LIU
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Publication number: 20180167846Abstract: This application discloses a data communication method implemented at an electronic device. The electronic device obtains a sequence of data packets. Each data packet complies with a first data format corresponding to a network access protocol and comprises a respective header that further includes a data length field for specifying a length of the respective data packet. Data are then assigned to the data length fields of the sequence of data packets according to a second data format. The electronic device encrypts the sequence of data packets including the assigned data. The encrypted data packets are then sent to a receiver device that is communicatively coupled to the electronic device via a wireless network. The receiver device is configured to retrieve the assigned data from the data length fields of the data packets according to the first and second data formats and perform operations in accordance with the retrieved data.Type: ApplicationFiled: January 26, 2018Publication date: June 14, 2018Inventors: Chenglin Liu, Liangliang Fan, Kai Liu, Xiangyao Lin, Can Liu, Rungui Ye, Lejun Liu
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Patent number: 9949120Abstract: This application discloses a data transfer method for transferring information concerning a service set associated with a communication network. An electronic device obtains a plurality of data packets that comply with a specific data format corresponding to a network access protocol, and each data packet includes a respective header that further includes at least one data field. A service set identifier (SSID) data set is arranged in the at least one data field of the plurality of data packets according to a link layer data structure. The SSID data set at least includes a SSID and a SSID password, and identifies a wireless network that transmits the plurality of data packets and is accessible when the SSID password is verified. The data packets that include the SSID data set are encrypted, and to a receiver device that is communicatively coupled to the electronic device via the identified wireless network.Type: GrantFiled: January 12, 2016Date of Patent: April 17, 2018Assignee: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITEDInventors: Chenglin Liu, Liangliang Fan, Xiangyao Lin, Rungui Ye, Can Liu, Kai Liu, Jinhai Liu, Lejun Liu
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Patent number: 9918250Abstract: This application discloses a data communication method implemented at an electronic device. The electronic device obtains a sequence of data packets. Each data packet complies with a first data format corresponding to a network access protocol and comprises a respective header that further includes a data length field for specifying a length of the respective data packet. Data are then assigned to the data length fields of the sequence of data packets according to a second data format. The electronic device encrypts the sequence of data packets including the assigned data. The encrypted data packets are then sent to a receiver device that is communicatively coupled to the electronic device via a wireless network. The receiver device is configured to retrieve the assigned data from the data length fields of the data packets according to the first and second data formats and perform operations in accordance with the retrieved data.Type: GrantFiled: December 17, 2015Date of Patent: March 13, 2018Assignee: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITEDInventors: Chenglin Liu, Liangliang Fan, Kai Liu, Xiangyao Lin, Can Liu, Rungui Ye, Lejun Liu
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Publication number: 20180055819Abstract: The invention discloses statins compounds used as local intraosseous application for the treatment of ischemic diseases, in particular, discloses local intraosseous application of statin compounds in the treatment of peripheral ischemic diseases or cardio-cerebrovascular ischemic diseases.Type: ApplicationFiled: September 1, 2016Publication date: March 1, 2018Applicant: Peking University Third HospitalInventors: Chunli Song, Yingsheng Xu, Jie Tan, Qi Guo, Can Liu
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Patent number: 9872318Abstract: A method and system for connecting a peripheral device to a user device via a Bluetooth protocol, comprising: at the peripheral device: initiating an broadcasting process, comprising: broadcasting a device discovery message, the device discovery message comprising a predetermined identifier designated for a social networking service associated with a social networking application executing on the user device; receiving, from the user device, a connection request corresponding to the device discovery message; and in response to receiving the connection request from the user device, establishing a Bluetooth connection to the user device.Type: GrantFiled: August 19, 2014Date of Patent: January 16, 2018Assignee: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITEDInventors: Shihai Cheng, Liangliang Fan, Kai Liu, Xiangyao Lin, Chenglin Liu, Jinhai Liu, Yaobo Hua, Anqi Ren, Rungui Ye, Zhijie Zhou, Can Liu
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Publication number: 20170368130Abstract: The present invention relates to a chemical and pharmaceutical technology, and in particular to a STAT3 and ERK signal pathway inhibitor and a use thereof. The present invention provides a STAT3 and ERK signal pathway inhibitor. The inhibitor mainly consists of a mogroside and/or an analog thereof. The mogroside and the analog thereof inhibit the phosphorylation of a transcription factor STAT3 and the phosphorylation of an ERK. The method for preparing the mogroside and the analog has the characteristics of simpleness, strong operability and high purity of products. The present invention furtherprovides a use of the STAT3 and ERK signal pathway inhibitor in the preparation of drugs for treating tumors, which realizes the purposes of inhibiting the proliferation of cancer cells and promoting the apoptosis of cancer cells and has a very good inhibition effect on cancers.Type: ApplicationFiled: December 23, 2015Publication date: December 28, 2017Inventor: Can LIU
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Publication number: 20170366753Abstract: An Internet Protocol (IP) camera control method, apparatus, and system to prevent the IP camera from being always in a working state, where the method includes waiting, by the IP camera, for receiving a standby instruction, where the IP camera is currently in the working state, and switching, by the IP camera, from the working state to a standby state when the IP camera receives the standby instruction from a server, such that power consumption of the IP camera is reduced.Type: ApplicationFiled: June 15, 2017Publication date: December 21, 2017Inventors: Can Liu, Gaofei Li