Patents by Inventor Chi Tak Leung

Chi Tak Leung 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).

  • Power supply controller and method therefor
    Patent number: 7446517
    Abstract: In one embodiment, a power supply controller uses a first clock of a first frequency to initiate a PWM cycle in a first operating mode and uses a second clock having a higher frequency to initiate a PWM cycle in a second operating mode.
    Type: Grant
    Filed: January 26, 2006
    Date of Patent: November 4, 2008
    Assignee: Semiconductor Components Industries L.L.C.
    Inventors: Gang Chen, Lung Wai Chris Chan, Chi Tak Leung