Patents by Inventor Frank J. Liotine

Frank J. Liotine 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).

  • Transmitter and receiver for controlling the coding in a transmitter and receiver
    Patent number: 4529980
    Abstract: Transmitters and receivers for controlling remote elements which use a synchronous serial transmission format and which allows changes in coding to be automatically made between the receiver and transmitter and wherein the code is stored in memories of the transmitter and receiver and wherein the receiver can generate and transmit a new code with a light emitting diode so as to change the code in the transmitter. The transmitter and the receiver use micro-computers which are suitably programmed and include non-volatile memories.
    Type: Grant
    Filed: September 23, 1982
    Date of Patent: July 16, 1985
    Assignee: Chamberlain Manufacturing Corporation
    Inventors: Frank J. Liotine, Joseph W. Twardowski