Patents by Inventor Wang Sheoghong

Wang Sheoghong 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).

  • Programmable PWM module for controlling a ballast
    Patent number: 6639368
    Abstract: A programmable Pulse Width Modulation (PWM) generator is disclosed wherein a single module provides four different signals utilized to control a ballast for a light device. By changing the value in a single register, various waveforms are achieved.
    Type: Grant
    Filed: July 2, 2001
    Date of Patent: October 28, 2003
    Assignee: Koninklijke Philips Electronics N.V.
    Inventor: Wang Sheoghong
  • Programmable PWM module for controlling a ballast
    Publication number: 20030001521
    Abstract: A programmable Pulse Width Modulation (PWM) generator is disclosed wherein a single module provides four different signals utilized to control a ballast for a light device. By changing the value in a single register, various waveforms are achieved.
    Type: Application
    Filed: July 2, 2001
    Publication date: January 2, 2003
    Applicant: Koninklijke Philips Electronics N.V.
    Inventor: Wang Sheoghong