Patents by Inventor Weldon R. H. Vlasak

Weldon R. H. Vlasak 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).

  • Data transmission system
    Patent number: 4691312
    Abstract: A system for sampling data, converting the same to light, and transmitting the light to a remote receiver via an optical fiber. A demultiplexer is provided at the remote end of the optical fiber.
    Type: Grant
    Filed: August 10, 1984
    Date of Patent: September 1, 1987
    Assignee: ITT Gilfillan, a division of ITT Corporation
    Inventor: Weldon R. H. Vlasak
  • Optical amplifier
    Patent number: 4628273
    Abstract: An optical amplifier having, for example, a photocathode to convert light to electrons, an electron multiplier, and a photo-emitter or light emitting diode to convert electrons to light. The electron multiplier may be made of magnesium oxide, silicon dioxide or silicon dioxide having bubbles therein. Alternatively, the electron multiplier may be an avalanche diode or other diode.
    Type: Grant
    Filed: December 12, 1983
    Date of Patent: December 9, 1986
    Assignee: International Telephone and Telegraph Corporation
    Inventor: Weldon R. H. Vlasak