Patents by Inventor Philip Delich

Philip Delich 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).

  • Patent number: 6400092
    Abstract: An apparatus (10) for driving an electro-luminescent device (12), characterized by: a transformer (14) including a ferrite core (72) and a first primary winding (66), a second primary winding (68) and a secondary winding (70) wound onto said core (72) without an air gap; one end of each of the first and second primary windings (66, 68) being connected together; an electrical circuit arranged to drive said one ends of the first and second primary windings (66, 68); a feed back circuit connected between the electrical circuit and the other end of the second primary winding (68) to control operation of said electrical circuit; one end of the secondary winding (70) being connected to said other end of the second primary winding (68); and the other end of the secondary winding (70) being connected to the electro-luminescent device (12).
    Type: Grant
    Filed: February 15, 2000
    Date of Patent: June 4, 2002
    Assignee: Lumitex Pty Ltd.
    Inventor: Philip Delich
  • Patent number: D498164
    Type: Grant
    Filed: May 19, 2003
    Date of Patent: November 9, 2004
    Assignee: Lumitex Pty Ltd
    Inventor: Philip Delich