Patents by Inventor Ming Liang Wu

Ming Liang Wu 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).

  • Electric Ballast with selective power dissipation
    Patent number: 6177769
    Abstract: A microprocessor controlled ballast includes a single front end and a plurality of inverters separately controlled by a single microprocessor. Lamps are operated in groups according to separate line inputs to the ballast. Total power is reduced to fifty percent or less if a line input is off.
    Type: Grant
    Filed: November 22, 1999
    Date of Patent: January 23, 2001
    Assignee: Energy Savings, Inc.
    Inventors: Ronald J. Bezdon, Ming Liang Wu, Donald G. Huvaere, Jr., Peter W. Shackle
  • Electronic ballast with selective load control
    Patent number: 6137239
    Abstract: A microprocessor controlled ballast includes a single front end and a plurality of inverters separately controlled by a single microprocessor. Lamps are operated in groups according to separate line inputs to the ballast.
    Type: Grant
    Filed: August 11, 1999
    Date of Patent: October 24, 2000
    Assignee: Energy Savings, Inc.
    Inventors: Ming Liang Wu, Donald G. Huvaere, Peter W. Shackle