Patents by Inventor Jean F. Perotto

Jean F. Perotto 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).

  • Patent number: 4187518
    Abstract: A timing device comprises an oscillator a time base, a time display device and a control device intermediate between the oscillator and the display. In addition, it comprises a pickup for low-frequency pulses radiated by a conventional television receiver, and a treatment circuit having one input connected to the pickup, and one output connected to a means for regulation of the control device, for producing rate regulation and/or resetting.
    Type: Grant
    Filed: January 23, 1978
    Date of Patent: February 5, 1980
    Assignee: Centre Electronique Horloger SA
    Inventors: Jean-Claude Martin, Jean F. Perotto