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).

  • Publication number: 20210011514
    Abstract: A bendable mechanism and a flexible display device are provided. The bendable mechanism includes a rotating shaft assembly, a sliding rail assembly, and a casing. The sliding rail assembly connects the casing with the rotating shaft assembly. The bendable mechanism is operable to be switched between an unfolded status and a folded status. During switching the bendable mechanism from the unfolded status to the folded status, the rotating shaft assembly and the casing move relatively close to each other under the guiding of the sliding rail assembly, and during switching the bendable mechanism from the folded status to the unfolded status, the rotating shaft assembly and the casing move relatively away from each other under the guiding of the sliding rail assembly.
    Type: Application
    Filed: September 9, 2020
    Publication date: January 14, 2021
    Inventors: Zhengxi WANG, Songya CHEN, Songling YANG, Xiaofei FAN, Weifeng WU, Qiang ZHANG
  • Publication number: 20200404976
    Abstract: 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: Application
    Filed: September 24, 2019
    Publication date: December 31, 2020
    Inventors: Chen CHEN, Hui WANG, Yao FU, Weifeng CHEN, Shuting FENG, Zugang YANG, Jin ZHANG
  • Publication number: 20200404975
    Abstract: The present application relates to an electronic vaporizer device, an electronic vaporizer device body, and an operation method. An electronic vaporizer device body, configured to be used in combination with an electronic vaporizer, wherein the electronic vaporizer device body comprises: a power supply, configured to supply power; an airflow sensor, configured to detect an airflow change and output first level information; and a main control circuit, electrically connected to the airflow sensor, and configured to control, according to the received first level information, the power supply to supply or interrupt power to the electronic vaporizer.
    Type: Application
    Filed: September 24, 2019
    Publication date: December 31, 2020
    Inventors: Chen CHEN, Hui WANG, Yao FU, Weifeng CHEN, Shuting FENG, Zugang YANG, Jin ZHANG
  • Publication number: 20200405981
    Abstract: 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: Application
    Filed: September 24, 2019
    Publication date: December 31, 2020
    Inventors: Chen CHEN, Hui WANG, Yao FU, Weifeng CHEN, Shuting FENG, Zugang YANG, Jin ZHANG
  • Publication number: 20200404974
    Abstract: The present application relates to an electronic vaporizer device, an electronic vaporizer device body, and an operation method. An electronic vaporizer device body, configured to be used in combination with an electronic vaporizer, wherein the electronic vaporizer device body comprises: a power supply, configured to supply power; an airflow sensor; and a main control circuit, configured to activate the airflow sensor after detecting first level information; wherein the first level information is generated when the electronic vaporizer device body being in combination with the electronic vaporizer.
    Type: Application
    Filed: September 24, 2019
    Publication date: December 31, 2020
    Inventors: Chen CHEN, Hui WANG, Yao FU, Weifeng CHEN, Shuting FENG, Zugang YANG, Jin ZHANG
  • Publication number: 20200404979
    Abstract: 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: Application
    Filed: September 24, 2019
    Publication date: December 31, 2020
    Inventors: Chen CHEN, Hui WANG, Yao FU, Weifeng CHEN, Shuting FENG, Zugang YANG, Jin ZHANG
  • Publication number: 20200404978
    Abstract: 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: Application
    Filed: September 24, 2019
    Publication date: December 31, 2020
    Inventors: Chen CHEN, Hui WANG, Yao FU, Weifeng CHEN, Shuting FENG, Zugang YANG, Jin ZHANG
  • Publication number: 20200404977
    Abstract: 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: Application
    Filed: September 24, 2019
    Publication date: December 31, 2020
    Inventors: Chen CHEN, Hui WANG, Yao FU, Weifeng CHEN, Shuting FENG, Zugang YANG, Jin ZHANG
  • Patent number: 10879966
    Abstract: A multiple-input and multiple-output (MIMO) bolt-on device for a single-input and single-output (SISO) radio, a MIMO channel emulator for testing the MIMO bolt-on device, and a MIMO channel emulation method are provided. The MIMO bolt-on device includes: a plurality of antennas, a multi-channel receiver, a plurality of couplers, a micro-controller, and a switch device. The multi-channel receiver includes a plurality of channels for signal transmission. Each coupler is configured to couple the multi-channel receiver with one of the plurality of antennas. The micro-controller is coupled to the multi-channel receiver to compare signals from the plurality of channels, thereby identifying a channel with a highest signal-to-noise (SNR) among the plurality of channels. The switch device is coupled to the micro-controller and configured to select an antenna corresponding to the channel with the highest SNR among the plurality of antennas for a connection between a selected antenna and the SISO radio.
    Type: Grant
    Filed: August 12, 2020
    Date of Patent: December 29, 2020
    Assignee: INTELLIGENT FUSION TECHNOLOGY, INC.
    Inventors: Zhonghai Wang, Lun Li, Jingyang Lu, Genshe Chen, Weifeng Su, Xingping Lin, Xingyu Xiang, Wenhao Xiong
  • Publication number: 20200394009
    Abstract: A gimbal on-board a vehicle includes a receiver and a gimbal control system. The receiver is configured to receive a gimbal mode signal indicative of user selection of a gimbal mode from a plurality of gimbal modes. Each gimbal mode of the plurality of gimbal modes causes one or more axes of the gimbal to be stabilized with respect to an environment of the vehicle. The gimbal control system is configured to receive gimbal control data indicative of an attitude of the gimbal, receive position data of the vehicle indicative of a location or an attitude of the vehicle, and generate simulated gimbal response data indicative of a simulated attitude of the gimbal based on (1) the gimbal mode signal, (2) the gimbal control data, and (3) the position data of the vehicle.
    Type: Application
    Filed: August 27, 2020
    Publication date: December 17, 2020
    Inventors: Ye TAO, Zihan CHEN, Zhiyuan ZHANG, Weifeng LIU, Chaobin CHEN
  • Publication number: 20200377593
    Abstract: The present invention relates to novel antibodies and antibody fragments thereof that specifically bind to integrin-associated proteins (IAP, or CD47), and a composition comprising the antibodies or the antibody fragments. The present invention also relates to a nucleic acid encoding the antibodies or the antibody fragments thereof, a host cell comprising the nucleic acid, and related use. Furthermore, the present invention also relates to therapeutic and diagnostic use of the antibodies and the antibody fragments.
    Type: Application
    Filed: March 26, 2019
    Publication date: December 3, 2020
    Inventors: Dandan LIU, Weifeng HUANG, Bingliang CHEN, Junjian LIU
  • Publication number: 20200373972
    Abstract: A multiple-input and multiple-output (MIMO) bolt-on device for a single-input and single-output (SISO) radio, a MIMO channel emulator for testing the MIMO bolt-on device, and a MIMO channel emulation method are provided. The MIMO bolt-on device includes: a plurality of antennas, a multi-channel receiver, a plurality of couplers, a micro-controller, and a switch device. The multi-channel receiver includes a plurality of channels for signal transmission. Each coupler is configured to couple the multi-channel receiver with one of the plurality of antennas. The micro-controller is coupled to the multi-channel receiver to compare signals from the plurality of channels, thereby identifying a channel with a highest signal-to-noise (SNR) among the plurality of channels. The switch device is coupled to the micro-controller and configured to select an antenna corresponding to the channel with the highest SNR among the plurality of antennas for a connection between a selected antenna and the SISO radio.
    Type: Application
    Filed: August 12, 2020
    Publication date: November 26, 2020
    Inventors: Zhonghai WANG, Lun LI, Jingyang LU, Genshe CHEN, Weifeng SU, Xingping LIN, Xingyu XIANG, Wenhao XIONG
  • Publication number: 20200343810
    Abstract: An automatic dead zone time optimization system in a primary-side regulation flyback power supply CCM mode, comprising a closed loop formed by a control system, consisting of a single output DAC midpoint sampling module, a digital control module, a current detection module, a dead zone time calculation module and a PWM driving module, and a controlled synchronous rectification primary-side regulation flyback converter. By means of a DAC Sampling mechanism, a primary-side current is sampled to calculate a secondary-side average current, so as to obtain a primary-side average current Imid_p and a secondary-side average current Is(tmid) in the case of CCM; a secondary-side current is input into the dead zone time calculation module to obtain a reasonable dead zone time td; and finally, the PWM driving module is jointly controlled by a primary-side regulation loop and the obtained dead zone time td.
    Type: Application
    Filed: December 29, 2018
    Publication date: October 29, 2020
    Inventors: Shen XU, Minggang CHEN, Hao WANG, Jinyu XIAO, Wei SU, Weifeng SUN, Longxing SHI
  • Patent number: 10809551
    Abstract: A liquid crystal display device having switchable viewing angles includes a display panel and a display control module. The display panel includes a first substrate, a second substrate, and a liquid crystal layer between the first substrate and the second substrate. The display control module is used for controlling the display panel to display images. The first substrate is provided with a first electrode. The second substrate is provided with a second electrode and a third electrode. The liquid crystal display device further includes a viewing angle control module. The display control module is further used to provide a synchronization signal to the viewing angle control module. According to the synchronization signal, when a next frame following a current frame on which a viewing angle switching signal is received starts to display, the viewing angle control module outputs a periodic alternating voltage for switching viewing angle to the first electrode.
    Type: Grant
    Filed: August 8, 2016
    Date of Patent: October 20, 2020
    Assignee: INFOVISION OPTOELECTRONICS (KUNSHAN) CO., LTD.
    Inventors: Te-Chen Chung, Weifeng Fan, Peiyang Lin, Huilong Zheng
  • Publication number: 20200320395
    Abstract: A method for training a machine learning model, including acquiring an initial machine learning model, updating features of the initial machine learning model, updating dimension of the initial machine learning model based on the updated features of the initial machine learning model and one or more latency hysteresis points obtained based on a hardware profile of an accelerator configured to perform machine learning operations, and generating a final machine learning model based on the updated dimensions.
    Type: Application
    Filed: April 3, 2019
    Publication date: October 8, 2020
    Inventors: Hongxu YIN, Weifeng ZHANG, Guoyang CHEN
  • Patent number: 10789442
    Abstract: A fingerprint recognition and pixel driving circuit and a display device including the circuit are provided. The circuit includes a first scan line, a second scan line, a third scan line, a light emission control line and a data writing line, a pixel driving sub-circuit for driving a light emitting element of a pixel to emit light according to the first scan signal, the second scan signal, the third scan signal, the light emission control signal, and the data signal, a fingerprint recognition sub-circuit that receives any two of the first scan signal, the second scan signal and the third scan signal through a first read terminal and a reset terminal to generate fingerprint data of a finger based on any two of the first scan signal, the second scan signal and the third scan signal, thereby realizing integration of the fingerprint recognition function with the pixel driving function.
    Type: Grant
    Filed: May 18, 2018
    Date of Patent: September 29, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Shengji Yang, Xue Dong, Jing Lv, Xiaochuan Chen, Minghua Xuan, Weifeng Han
  • Publication number: 20200304175
    Abstract: A multiple-input and multiple-output (MIMO) bolt-on device for a single-input and single-output (SISO) radio, a MIMO channel emulator for testing the MIMO bolt-on device, and a MIMO channel emulation method are provided. The MIMO bolt-on device includes: a plurality of antennas, a multi-channel receiver, a plurality of couplers, a micro-controller, and a switch device. The multi-channel receiver includes a plurality of channels for signal transmission. Each coupler is configured to couple the multi-channel receiver with one of the plurality of antennas. The micro-controller is coupled to the multi-channel receiver to compare signals from the plurality of channels, thereby identifying a channel with a highest signal-to-noise (SNR) among the plurality of channels. The switch device is coupled to the micro-controller and configured to select an antenna corresponding to the channel with the highest SNR among the plurality of antennas for a connection between a selected antenna and the SISO radio.
    Type: Application
    Filed: March 19, 2019
    Publication date: September 24, 2020
    Inventors: ZHONGHAI WANG, LUN LI, JINGYANG LU, GENSHE CHEN, WEIFENG SU, XINGPING LIN, XINGYU XIANG, WENHAO XIONG
  • Patent number: 10778291
    Abstract: A multiple-input and multiple-output (MIMO) bolt-on device for a single-input and single-output (SISO) radio, a MIMO channel emulator for testing the MIMO bolt-on device, and a MIMO channel emulation method are provided. The MIMO bolt-on device includes: a plurality of antennas, a multi-channel receiver, a plurality of couplers, a micro-controller, and a switch device. The multi-channel receiver includes a plurality of channels for signal transmission. Each coupler is configured to couple the multi-channel receiver with one of the plurality of antennas. The micro-controller is coupled to the multi-channel receiver to compare signals from the plurality of channels, thereby identifying a channel with a highest signal-to-noise (SNR) among the plurality of channels. The switch device is coupled to the micro-controller and configured to select an antenna corresponding to the channel with the highest SNR among the plurality of antennas for a connection between a selected antenna and the SISO radio.
    Type: Grant
    Filed: March 19, 2019
    Date of Patent: September 15, 2020
    Assignee: INTELLIGENT FUSION TECHNOLOGY, INC.
    Inventors: Zhonghai Wang, Lun Li, Jingyang Lu, Genshe Chen, Weifeng Su, Xingping Lin, Xingyu Xiang, Wenhao Xiong
  • Publication number: 20200284327
    Abstract: The present invention provides a curvature-adjustable backboard assembly and a curved display device. The curvature-adjustable backboard assembly of the present invention includes a curvable backboard, a slider-crank mechanism, and a first low-speed position-limiting electric machine.
    Type: Application
    Filed: May 22, 2020
    Publication date: September 10, 2020
    Inventor: Weifeng Chen
  • Patent number: 10761798
    Abstract: Systems, devices and methods are provided for training a user to control a gimbal in an environment. The systems and methods provide a simulation environment to control a gimbal in a virtual environment. The virtual environment closely resembles a real control environment. A controller may be used to transmit simulation commands and receive simulated data for visual display.
    Type: Grant
    Filed: December 24, 2017
    Date of Patent: September 1, 2020
    Assignee: SZ DJI TECHNOLOGY CO., LTD.
    Inventors: Ye Tao, Zihan Chen, Zhiyuan Zhang, Weifeng Liu, Chaobin Chen