Patents by Inventor Tracy S. Woo

Tracy S. Woo 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).

  • DRIVER CIRCUIT FOR DIMMABLE SOLID STATE LIGHT SOURCES WITH FILTERING AND PROTECTIVE ISOLATION
    Publication number: 20140159608
    Abstract: A driver circuit for a lamp assembly including one or more solid state light sources is provided. The driver circuit includes filtering and power factor correction with protective isolation. The driver circuit includes a transformer with electrically isolated windings and a power factor correction circuit that receives no feedback from a secondary winding of the transformer.
    Type: Application
    Filed: November 22, 2013
    Publication date: June 12, 2014
    Applicant: OSRAM SYLVANIA INC.
    Inventors: Victor M. Simi, Tracy S. Woo, Khounthavy Nai Phasay