Patents by Inventor Cheng-Hsien Peng

Cheng-Hsien Peng 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).

  • Ethernet power supply
    Patent number: 11962426
    Abstract: An Ethernet power supply receives a DC voltage through a bus positive terminal and a bus negative terminal, and is coupled to a load device. The Ethernet power supply includes a first control module and a second control module. The first control module is used to provide a first control signal through the bus negative terminal to confirm whether the load device is a valid load. The second control module is used to connect or disconnect a coupling relationship between the bus positive terminal and the first control module according to the load device being connected or not.
    Type: Grant
    Filed: May 25, 2022
    Date of Patent: April 16, 2024
    Assignee: DELTA ELECTRONICS, INC.
    Inventors: Yung-Wei Peng, Kuan-Hsien Tu, Cheng-En Liu
  • Ethernet power supply and power saving method of controlling the same
    Patent number: 11953964
    Abstract: An Ethernet power supply receives a DC voltage through a bus positive terminal and a bus negative terminal, and is coupled to a load device. The Ethernet power supply includes a first control module and a second control module. The first control module provides a first control signal through the bus negative terminal to confirm whether the load device is a valid load. The second control module is used to connect or disconnect a coupling relationship between the bus positive terminal and the first control module according to whether the load device is connected to the Ethernet power supply.
    Type: Grant
    Filed: June 2, 2022
    Date of Patent: April 9, 2024
    Assignee: DELTA ELECTRONICS, INC.
    Inventors: Yung-Wei Peng, Kuan-Hsien Tu, Cheng-En Liu
  • High-capacity parking apparatus
    Patent number: 4776746
    Abstract: A high-capacity parking apparatus includes a multi-storyed garage designed in two opposite portions with a space therebetwen for installation of an elevator cage to move the car from an entry to, and unload it to an exit from, a respective parking division in the garage.
    Type: Grant
    Filed: May 15, 1986
    Date of Patent: October 11, 1988
    Inventor: Cheng-Hsien Peng