Patents by Inventor William V. Koskuba, Jr.

William V. Koskuba, Jr. 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).

  • Low-noise drive circuit for electroluminescent lamp, and electroluminescent lamp assembly comprising same
    Patent number: 6198226
    Abstract: A circuit driving an electroluminescent lamp at a frequency at or in the vicinity of the lower threshold of human hearing, thus reducing objectionable noise otherwise generated by such lamps when operated at high frequencies. In an electroluminescent lamp assembly including such driving circuit is described, the electroluminescent lamp is driven at low frequency, but nonetheless provides a high level of illumination output.
    Type: Grant
    Filed: August 18, 1999
    Date of Patent: March 6, 2001
    Assignee: Astronics Corporation
    Inventor: William V. Koskuba, Jr.