Patents by Inventor Francis J. Thomas

Francis J. Thomas 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).

  • Vehicle lighting system
    Patent number: 4495444
    Abstract: A vehicle lighting system of the type employing dim or low-beam headlights and bright or high-beam headlights is provided with continual sensing of the operativeness of a selected headlight to cause the automatic substitution of a non-selected headlight in the event of failure of the selected headlight.
    Type: Grant
    Filed: March 7, 1983
    Date of Patent: January 22, 1985
    Inventor: Francis J. Thomas
  • Voter circuit including averaging means
    Patent number: 4001605
    Abstract: A voter circuit with averaging means eliminates a deadzone characteristic inherent in prior art voter circuits when unvoted or unwanted input signals are near zero. Elimination of the deadzone characteristic renders the voter usable in small signal regions.
    Type: Grant
    Filed: September 29, 1975
    Date of Patent: January 4, 1977
    Assignee: The Bendix Corporation
    Inventors: Francis J. Thomas, Albert Kirchhein, Donald J. Porawski