Patents by Inventor Francois Sauvel

Francois Sauvel 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).

  • Static power switch apparatus
    Patent number: 4717841
    Abstract: The disclosure relates to a static power switch circuit having a power switch member having a bidirectional power switch with at least one controlled semiconductor of the thyristor or triac type with power terminals connected to an AC source in series with a load and a circuit for controlling the power switch member having a first control switch whose current path is connected to the gate of the power semiconductor through a full wave rectifier bridge, this switch being connected to a circuit able to generate control energy of the switch in response to an input signal.
    Type: Grant
    Filed: August 5, 1986
    Date of Patent: January 5, 1988
    Assignee: La Telemecanique Electrique
    Inventors: Bernard Dumortier, Jean-Noel Gast, Francois Sauvel