Patents by Inventor Paul M. Schmitt

Paul M. Schmitt 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).

  • Flag detection circuit
    Patent number: 4554541
    Abstract: A logic circuit detects an eight bit flag, "01111110," which according to an accepted telecommunication protocol begins and ends each packet of serially sent digitized voice or data. The circuit may easily be added to existing hardware.
    Type: Grant
    Filed: September 12, 1983
    Date of Patent: November 19, 1985
    Assignee: GTE Communications Products Corporation
    Inventors: Jonas R. Bielkevicius, Paul M. Schmitt
  • Message alert system
    Patent number: 4506115
    Abstract: A lamp is provided on a telephone handset to notify the user that a message is waiting. The lamp is energized by a 1 hertz square wave obtained by demodulating a high frequency carrier sent from a transmitter.
    Type: Grant
    Filed: September 12, 1983
    Date of Patent: March 19, 1985
    Assignee: GTE Communications Products Corporation
    Inventor: Paul M. Schmitt