Patents by Inventor LINGFENG JIANG

LINGFENG JIANG 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).

  • Patent number: 11923902
    Abstract: The present disclosure relates to an active optical cable connector and an active optical cable assembly. The active optical cable connector includes a power supply interface, an optoelectronic conversion module and a short-range wireless communication module, wherein the power supply interface is electrically connected with the optoelectronic conversion module and the short-range wireless communication module, respectively, and the short-range wireless communication module is configured to transmit a control signal and a low-speed signal of the active optical cable.
    Type: Grant
    Filed: July 12, 2022
    Date of Patent: March 5, 2024
    Assignee: Shenzhen 8k-link Optoelectronics Technology Co., Ltd.
    Inventors: Lingfeng Tang, Jun Jiang, Xinghui Jin
  • Publication number: 20240038441
    Abstract: The disclosure provides a transformer, a power module and a switching power supply. The transformer comprises a magnetic core, a primary side winding and a secondary side winding; the magnetic core comprises a first cover plate, a second cover plate, a winding column and at least two side columns, and at least two side columns of the magnetic core; at least one of the side columns has a through channel, the primary side winding is wound around the winding column, and a lead wire of the primary side winding passes through the through channel; the lead wire of the secondary side winding passes through a gap formed by the at least two side columns. In the disclosure, the lead wire of the primary side winding can pass through the through channel, thereby saving space and improving power density of the switching power supply.
    Type: Application
    Filed: July 25, 2023
    Publication date: February 1, 2024
    Inventors: Lingfeng Jiang, Changyun Xiao
  • Patent number: 11611288
    Abstract: The present disclosure discloses a composite switching circuit, including a plurality of first semiconductor devices connected in series; and at least one second semiconductor device each connected in parallel to one of the plurality of first semiconductor devices. The composite switching circuit is connected to an input source. The second semiconductor device is turned off during a preset period to transfer a current flowing through the second semiconductor device to the first semiconductor devices connected in parallel to the second semiconductor device.
    Type: Grant
    Filed: March 2, 2021
    Date of Patent: March 21, 2023
    Assignee: DELTA ELECTRONICS (SHANGHAI) CO., LTD.
    Inventors: Junlai Huang, Youzhun Cai, Lingfeng Jiang, Junhao Ji
  • Publication number: 20210313901
    Abstract: The present disclosure discloses a composite switching circuit, including a plurality of first semiconductor devices connected in series; and at least one second semiconductor device each connected in parallel to one of the plurality of first semiconductor devices. The composite switching circuit is connected to an input source. The second semiconductor device is turned off during a preset period to transfer a current flowing through the second semiconductor device to the first semiconductor devices connected in parallel to the second semiconductor device.
    Type: Application
    Filed: March 2, 2021
    Publication date: October 7, 2021
    Inventors: Junlai HUANG, Youzhun CAI, Lingfeng JIANG, Junhao JI
  • Patent number: 11101738
    Abstract: A power converter includes a PFC circuit, a first capacitor, a second capacitor and an auxiliary circuit. The PFC circuit provides a first intermediate voltage to the first capacitor. The auxiliary circuit includes a first auxiliary branch circuit and a second auxiliary branch circuit. When the first auxiliary branch circuit is enabled, and the first intermediate voltage is transmitted to the second capacitor through the first auxiliary branch circuit. When the second auxiliary branch circuit is enabled, the first intermediate voltage is boosted by the second auxiliary branch circuit, so that a second intermediate voltage is provided by the second capacitor. While an operation state of the load is switched between a light load condition and a heavy load condition, one of the first auxiliary branch circuit and the second auxiliary branch circuit is selectively enabled.
    Type: Grant
    Filed: June 12, 2020
    Date of Patent: August 24, 2021
    Assignee: DELTA ELECTRONICS, INC.
    Inventors: Junlai Huang, Youzhun Cai, Dominik Reinhard Beinlich, Lingfeng Jiang
  • Publication number: 20200403517
    Abstract: A power converter includes a PFC circuit, a first capacitor, a second capacitor and an auxiliary circuit. The PFC circuit provides a first intermediate voltage to the first capacitor. The auxiliary circuit includes a first auxiliary branch circuit and a second auxiliary branch circuit. When the first auxiliary branch circuit is enabled, and the first intermediate voltage is transmitted to the second capacitor through the first auxiliary branch circuit. When the second auxiliary branch circuit is enabled, the first intermediate voltage is boosted by the second auxiliary branch circuit, so that a second intermediate voltage is provided by the second capacitor. While an operation state of the load is switched between a light load condition and a heavy load condition, one of the first auxiliary branch circuit and the second auxiliary branch circuit is selectively enabled.
    Type: Application
    Filed: June 12, 2020
    Publication date: December 24, 2020
    Inventors: Junlai Huang, Youzhun Cai, Dominik Reinhard Beinlich, Lingfeng Jiang
  • Patent number: 9524048
    Abstract: A three-dimensional (3D) interactive method between a 3D interactive input device including multiple first nodes and a 3D display device including at least three second nodes is provided. The method includes receiving a start command from a user and controlling signal transmission devices to transmit position detection signals using different channel resources based on the received start command. The method also includes determining 3D spatial position coordinates of the first nodes relative to a specific surface based on a starting time point of the start command, ending time points, and 3D spatial position coordinates of the second nodes relative to the specific surface. Further, the method includes rebuilding 3D contour of the 3D interactive input device to determine gestures of the 3D interactive input device and implement a 3D interactive process based on the 3D spatial position coordinates of at least two first nodes relative to the specific surface.
    Type: Grant
    Filed: December 10, 2014
    Date of Patent: December 20, 2016
    Assignee: SUPERD CO. LTD.
    Inventor: Lingfeng Jiang
  • Patent number: 9483119
    Abstract: The present invention relates to a stereo interactive method adapted for an interactive scene of a stereo display device and a stereo interactive operating stick. The method includes: obtaining motion trajectory information of the operating stick; calculating invasion degree information of an invasion that the operating stick applies to a virtual object displayed by the display device according to motion trajectory information and preset property information of the virtual object; calculating interaction feedback information according to motion trajectory information, invasion degree information and the preset property information; and controlling the operating stick and the virtual object to make responses matched with the preset property of the virtual object according to the interaction feedback information. The present further provides stereo interactive display device, operating stick and system.
    Type: Grant
    Filed: December 11, 2014
    Date of Patent: November 1, 2016
    Assignee: SUPERD CO. LTD
    Inventor: Lingfeng Jiang
  • Publication number: 20150309575
    Abstract: The present invention relates to a stereo interactive method adapted for an interactive scene of a stereo display device and a stereo interactive operating stick. The method includes: obtaining motion trajectory information of the operating stick; calculating invasion degree information of an invasion that the operating stick applies to a virtual object displayed by the display device according to motion trajectory information and preset property information of the virtual object; calculating interaction feedback information according to motion trajectory information, invasion degree information and the preset property information; and controlling the operating stick and the virtual object to make responses matched with the preset property of the virtual object according to the interaction feedback information. The present further provides stereo interactive display device, operating stick and system.
    Type: Application
    Filed: December 11, 2014
    Publication date: October 29, 2015
    Applicant: SUPERD CO. LTD
    Inventor: Lingfeng A. JIANG
  • Publication number: 20150249819
    Abstract: A three-dimensional (3D) interactive method between a 3D interactive input device including multiple first nodes and a 3D display device including at least three second nodes is provided. The method includes receiving a start command from a user and controlling signal transmission devices to transmit position detection signals using different channel resources based on the received start command. The method also includes determining 3D spatial position coordinates of the first nodes relative to a specific surface based on a starting time point of the start command, ending time points, and 3D spatial position coordinates of the second nodes relative to the specific surface. Further, the method includes rebuilding 3D contour of the 3D interactive input device to determine gestures of the 3D interactive input device and implement a 3D interactive process based on the 3D spatial position coordinates of at least two first nodes relative to the specific surface.
    Type: Application
    Filed: December 10, 2014
    Publication date: September 3, 2015
    Inventor: LINGFENG JIANG