Patents by Inventor Weifeng Chen
Weifeng Chen 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: 20240105083Abstract: A high-speed remote landslide simulation test device with a variable angle includes a support adjustment component, slide plates, and loose leaves. The device first transmits the operation paths of adjusting the slide plate at different angles to the controller, and the personnel operates the control panel to control the support jack, the motor, and the electromagnet to start and stop through the controller, the output shaft of the motor drives the stainless steel threaded rod to rotate, the controller first energizes one electromagnet and disconnects the other three electromagnets, which can only make the stainless steel threaded rod rotate in a fixed position inside the inner threaded pipe, and the three inner threaded pipes follow the rotation direction of the stainless steel threaded rod, thus, the position of the support jack can be moved separately.Type: ApplicationFiled: December 8, 2023Publication date: March 28, 2024Applicant: Chang'an UniversityInventors: Hengxing LAN, Mervyn LAN, Zhao CHEN, Shijie LIU, Weifeng SUN, Ning ZHANG, Bei ZHANG
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Patent number: 11921814Abstract: Methods and devices, the method including receiving a matrix of a neural network model; classifying at least a portion of the matrix as a first section based on a first distribution pattern of non-zero elements of the portion of the matrix; and identifying memory addresses of the non-zero elements in the first section of the matrix for loading, according to a first order determined based on the first distribution pattern, the non-zero elements in the first section into one or more vector registers.Type: GrantFiled: June 14, 2022Date of Patent: March 5, 2024Assignee: Alibaba Group Holding LimitedInventors: Guoyang Chen, Yu Pu, Yongzhi Zhang, Weifeng Zhang, Yuan Xie
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Publication number: 20240073265Abstract: In certain aspects, a wireless multimedia apparatus and an operation method thereof are disclosed. The wireless multimedia apparatus includes a system on chip (SoC), including a memory configured to store code and a processor coupled to the memory. When the code is executed, the processor is configured to determine that a router is available and connected to a multimedia provider. The processor is configured to connect to the router based on configuration information associated with the router and receive multimedia data from the multimedia provider via the router. The processor is configured to determine whether the router is still available. Responsive to the router being unavailable, the processor is configured to turn on a softAP based on the configuration information associated with the router to connect to the multimedia provider via the softAP. The processor is configured to receive the multimedia data from the multimedia provider via the softAP.Type: ApplicationFiled: December 13, 2022Publication date: February 29, 2024Applicant: Bestechnic (Shanghai) Co., Ltd.Inventors: Weifeng Tong, Jun Chen, Liang Zhang
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Publication number: 20240071357Abstract: An Active Noise Cancellation (ANC) headphone of multiple modes may include a preliminary scene-change detection circuit using ultra-low power to detect a scene change near the headphone and to send a trigger signal upon detecting the scene change, a scene identification circuit to determine a current scene upon receiving a trigger signal, and a filter switch circuit to switch the headphone mode from a previous headphone mode to a current headphone mode according to the determined current scene. In this way, the ANC headphone can automatically obtain an improved balance of comfortability, safety, and communicability under a reduced power consumption.Type: ApplicationFiled: September 15, 2022Publication date: February 29, 2024Applicant: Beken CorporationInventors: Lulai CHEN, Weifeng WANG
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Patent number: 11917904Abstract: The present application provides a perovskite solar cell, including conductive glass, a hole transport layer, a perovskite layer, an electron transport layer and a back electrode, where a passivation layer may be disposed between the hole transport layer and the perovskite layer, and the passivation layer may include an amide and/or a cation thereof, where the amide may include a compound of formula (1) and/or formula (2): where R1 and R2 are each independently selected from hydrogen, —R, —NR2, —NHR, —NH2, —OH, —OR, —NHCOR, —OCOR, and —CH2COOH, where R represents a straight or branched chain alkyl group having 1-10 carbon atoms, m is an integer of 0 to 10; and n is an integer of 1 to 10; and where Ar is selected from a C5-C10 aryl or heteroaryl group.Type: GrantFiled: July 12, 2023Date of Patent: February 27, 2024Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITEDInventors: Weifeng Liang, Wenming Guo, Juanjuan Sun, Bo Luan, Yongsheng Guo, Guodong Chen
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Patent number: 11915138Abstract: Methods and apparatus for reducing a size of a neural network model, the method including: compressing data of the neural network model; identifying structure information of a vector register, wherein the structure information includes a number of registers included in the vector register; comparing a number of elements in the compressed data with a first condition, wherein the first condition is determined based on the number of registers in the vector register; and in response to the number of elements satisfying the first condition, associating the compressed data with the vector register to enable loading the compressed data to the vector register.Type: GrantFiled: February 18, 2020Date of Patent: February 27, 2024Assignee: Alibaba Group Holding LimitedInventors: Weifeng Zhang, Guoyang Chen, Yu Pu, Yongzhi Zhang, Yuan Xie
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Publication number: 20240058946Abstract: Provided are a transfer apparatus. The transfer apparatus includes a frame, a positioning assembly, a rotating and adjusting assembly, and a fixture assembly. The positioning assembly is configured to obtain position information of a battery to be transferred. The rotating and adjusting assembly includes a first drive member in signal connection with the positioning assembly, and a first gear and a second gear engaged with each other, where the first gear is connected to the first drive member, and the second gear is rotatably connected to the frame. The fixture assembly is configured to grip or release the battery to be transferred, and the fixture assembly is connected to a side of the second gear away from the frame. The first drive member is configured to drive the first gear to rotate such that the first gear drives the second gear and the fixture assembly to rotate.Type: ApplicationFiled: October 15, 2023Publication date: February 22, 2024Inventor: Weifeng Chen
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Patent number: 11894467Abstract: The present application discloses a doped metal oxide semiconductor which is an indium tin oxide or indium tin zinc oxide semiconductor doped with a rare earth oxide. Even at a small doping amount, the oxygen vacancies could be suppressed as well as the mobility be maintained; critically, the thin-films made thereof can avoid the influence of light on I-V characteristics and stability, which results in great improvement of the stability under illumination of metal oxide semiconductor devices. The present application also discloses the thin-film transistors made thereof the doped metal oxide semiconductor and its application.Type: GrantFiled: November 8, 2019Date of Patent: February 6, 2024Assignee: South China University of TechnologyInventors: Miao Xu, Hua Xu, Weijing Wu, Weifeng Chen, Lei Wang, Junbiao Peng
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Publication number: 20230415708Abstract: A battery swap device includes a movable base configured to carry a battery that is provided with a connector configured to transfer electric energy, and a protective apparatus provided on the movable base, configured to protect the connector, and including a drive mechanism and a covering member. The drive mechanism is configured to drive the covering member to move to cover or uncover the connector.Type: ApplicationFiled: September 14, 2023Publication date: December 28, 2023Inventor: Weifeng CHEN
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Patent number: 11817032Abstract: The present invention discloses a display device and a display method. A voltage adjustment circuit is configured to compare whether a difference between absolute values of a first data voltage signal and a second data voltage signal at a preset moment exceeds a set threshold range and output a control signal to a voltage adjustment circuit when the difference exceeds the set threshold range. Thus, a first data latch and update signal of a first source driver chip is adjusted by the voltage adjustment circuit, or a second data latch and update signal of a second source driver chip is adjusted, so that the first data voltage signal and the second data voltage signal are respectively output to a first data line and a second data line at a same time.Type: GrantFiled: March 31, 2023Date of Patent: November 14, 2023Assignee: TCL China Star Optoelectronics Technology Co., Ltd.Inventors: Weifeng Chen, Qingsheng Lan
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Publication number: 20230217539Abstract: A method for frequency adjustment, a terminal, and a storage medium are provided. In the method, the terminal obtains state information of the terminal, where the state information indicates a movement state and/or a service state of the terminal, and adjusts an idle-state-measurement frequency of a non-data card of the terminal according to the state information of the terminal.Type: ApplicationFiled: April 16, 2021Publication date: July 6, 2023Inventors: Jun XI, Weifeng CHEN
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Patent number: 11677031Abstract: The present application discloses an oxide semiconductor thin-film and a thin-film transistor consisted thereof. The oxide semiconductor thin-film is fabricated by doping a certain amount of rare-earth oxide (RO) as light stabilizer to metal oxide (MO) semiconductor. The thin-film transistor comprising a gate electrode, a channel layer consisted by the oxide semiconductor thin-film, a source and drain electrode; the thin-film transistor employing etch-stop structure, a back-channel etch structure or a top-gate self-alignment structure.Type: GrantFiled: August 2, 2019Date of Patent: June 13, 2023Assignee: SOUTH CHINA UNIVERSITY OF TECHNOLOGYInventors: Miao Xu, Hua Xu, Weijing Wu, Weifeng Chen, Lei Wang, Junbiao Peng
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Patent number: 11516886Abstract: The present application relates to an electronic vaporizer, an electronic vaporizer device body, and an electronic vaporizer device. An electronic vaporizer is used in combination with an electronic vaporizer device body, wherein the electronic vaporizer device body at least comprises a power supply, a first pin and a second pin; and the electronic vaporizer comprises: a storage compartment, storing a vaporizable substance; and a heating circuit, comprising: a heating component, configured for heating; and a first and second contact pad, wherein the heating circuit changes a voltage or current between the first pin and the second pin after the first and second contact pad being electrically contacting with the first and second pin respectively; and after detecting the voltage or the current changes, the electronic vaporizer device body controls the power supply to supply power to the heating component via the first and second contact pad.Type: GrantFiled: September 24, 2019Date of Patent: November 29, 2022Assignee: SHENZHEN RELX TECHNOLOGY CO., LTD.Inventors: Chen Chen, Hui Wang, Yao Fu, Weifeng Chen, Shuting Feng, Zugang Yang, Jin Zhang
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Patent number: 11503672Abstract: The present application relates to an electronic vaporizer, an electronic vaporizer device body, and an electronic vaporizer device. An electronic vaporizer, comprising: a tube body; a storage compartment, storing an vaporizable substance; a heating base, disposed below the storage compartment; a heating component, disposed between the storage compartment and the heating base and configured to heat the vaporizable substance; and a printed circuit board (PCB) module, disposed below the heating base and electrically connected to the heating component, wherein the storage compartment, the heating base, the heating component, and the PCB module are disposed in the tube body.Type: GrantFiled: September 24, 2019Date of Patent: November 15, 2022Assignee: SHENZHEN RELX TECHNOLOGY CO., LTD.Inventors: Chen Chen, Hui Wang, Yao Fu, Weifeng Chen, Shuting Feng, Zugang Yang, Jin Zhang
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Patent number: 11497086Abstract: The present application relates to an electronic vaporizer device. An electronic vaporizer device, comprising: an electronic vaporizer device body and an electronic vaporizer, wherein the electronic vaporizer is connected to the electronic vaporizer device body in a pluggable manner.Type: GrantFiled: September 24, 2019Date of Patent: November 8, 2022Assignee: SHENZHEN RELX TECHNOLOGY CO., LTD.Inventors: Chen Chen, Hui Wang, Yao Fu, Weifeng Chen, Shuting Feng, Zugang Yang, Jin Zhang
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Patent number: 11471621Abstract: The present application relates to an electronic vaporizer device, an electronic vaporizer device body, and an operation method. The electronic vaporizer device body is used in combination with an electronic vaporizer, the electronic vaporizer device body including: a power supply configured to supply power; an airflow sensor configured to detect an airflow change and output first level information; a main control circuit electrically connected to the airflow sensor and configured to control, according to the first level information, the power supply to supply or interrupt power to the electronic vaporizer.Type: GrantFiled: September 24, 2019Date of Patent: October 18, 2022Assignee: SHENZHEN RELX TECHNOLOGY CO., LTD.Inventors: Chen Chen, Hui Wang, Yao Fu, Weifeng Chen, Shuting Feng, Zugang Yang, Jin Zhang
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Patent number: 11426537Abstract: The present application relates to an electronic vaporizer and an electronic vaporizer device. An electronic vaporizer comprises: a tube body; a storage compartment, storing a vaporizable substance; a heating component, comprising a heating body and a heating element, wherein the heating body is disposed below the storage compartment to be in contact with the vaporizable substance, and configured to vaporize the vaporizable substance after being heated; and the heating element is configured to generate heat after being powered; and a printed circuit board (PCB) module, disposed below the heating body, and electrically connected to the heating element, wherein the storage compartment, the heating component, and the PCB module are all disposed in the tube body, and the PCB module is configured to electrically connect to an external power supply pin to supply power to the heating element.Type: GrantFiled: September 24, 2019Date of Patent: August 30, 2022Assignee: SHENZHEN RELX TECHNOLOGY CO., LTD.Inventors: Chen Chen, Hui Wang, Yao Fu, Weifeng Chen, Shuting Feng, Zugang Yang, Jin Zhang
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Publication number: 20220117018Abstract: A dual-SIM UE data transmission method and device, a storage medium, and a user equipment are provided. The dual-SIM UE includes a first SIM card and a second SIM card. The method includes: determining a request of a radio transmission or reception of the second SIM card while the first SIM card is in a connection state, wherein the first SIM card is connected with a first serving base station; requesting a time gap of a non-data transmission or a radio frequency circuit chain from the first serving base station based on the request of the radio transmission or reception; and performing the radio transmission or reception of the second SIM card at least by the time gap of the non-data transmission or the radio frequency circuit chain.Type: ApplicationFiled: December 9, 2021Publication date: April 14, 2022Inventors: Xiangxin GU, Jin XU, Wei HAN, Wei FAN, Yun DENG, Weifeng CHEN, Qiang SUN
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Patent number: D943162Type: GrantFiled: November 18, 2019Date of Patent: February 8, 2022Assignee: SHENZHEN RELX TECHNOLOGY CO., LTD.Inventors: Chen Chen, Weifeng Chen
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Patent number: D964640Type: GrantFiled: April 29, 2020Date of Patent: September 20, 2022Assignee: SHENZHEN RELX TECHNOLOGY CO., LTD.Inventors: Chen Chen, Weifeng Chen