Patents by Inventor Denis Berthiot

Denis Berthiot 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).

  • Protection circuit that can be associated with a filter
    Patent number: 6304126
    Abstract: A structure for protection against electrostatic surges having two input terminals and two output terminals. The output terminals of the structure are connected to the inputs of a circuit to be protected. A first input terminal is connected to a first output terminal via an impedance. The second input terminal is connected to the second output terminal. The input terminals are interconnected by a first avalanche diode. The output terminals are interconnected by a second avalanche diode having the same biasing as the first avalanche diode.
    Type: Grant
    Filed: September 1, 1999
    Date of Patent: October 16, 2001
    Assignee: STMicroelectronics S.A.
    Inventor: Denis Berthiot
  • Protection circuit that can be associated with a filter
    Patent number: 6147853
    Abstract: A structure for protection against electrostatic surges having two input terminals and two output terminals. The output terminals of the structure are connected to the inputs of a circuit to be protected. A first input terminal is connected to a first output terminal via an impedance. The second input terminal is connected to the second output terminal. The input terminals are interconnected by a first avalanche diode. The output terminals are interconnected by a second avalanche diode having the same biasing as the first avalanche diode.
    Type: Grant
    Filed: September 28, 1998
    Date of Patent: November 14, 2000
    Assignee: STMicroelectronics S.A.
    Inventor: Denis Berthiot
  • Amplifying-gate thyristor with an increased hold current
    Patent number: 5998812
    Abstract: An amplifying-gate thyristor having an increased integrated circuit includes a main thyristor and an amplifying thyristor. The amplifying thyristor is of the gate turnoff-type. The main thyristor and the amplifying thyristor are such that the amplifying thyristor remains in the conductive state while the main thyristor is conductive. A control circuit turns off the amplifying thyristor when the current through the main thyristor is approximately its hold current.
    Type: Grant
    Filed: January 19, 1998
    Date of Patent: December 7, 1999
    Assignee: SGS-Thomson Microelectronics S.A.
    Inventors: Eric Bernier, Denis Berthiot
  • Amplifying-gate thyristor with an increased hold current
    Patent number: 5739555
    Abstract: An amplifying-gate thyristor having an increased integrated circuit includes a main thyristor and an amplifying thyristor. The amplifying thyristor is of the gate turnoff-type. The main tbyristor and the amplifying thyristor are such that the amplifying thyristor remains in the conductive state while the main thyristor is conductive. A control circuit turns off the amplifying thyristor when the current through the main thyristor is approximately its hold current.
    Type: Grant
    Filed: August 4, 1994
    Date of Patent: April 14, 1998
    Assignee: SGS-Thomson Microelectronics S.A.
    Inventors: Eric Bernier, Denis Berthiot
  • Protection component for a three-phase alternator used in automobile vehicles
    Patent number: 5604653
    Abstract: A three-phase alternator protection component is associated with a rectifying bridge. Three Shockley diodes and an avalanche diode are interconnected through three electrodes, of a first polarity, of the Shockley diodes, and the electrode, of the opposite polarity, of the avalanche diode to a common terminal that is connected to the output terminal, having a first polarity, of the rectifier. Each second electrode of the Shockley diodes is connected to each output of the alternator, and the second terminal of the avalanche diode is connected to the second output terminal of the rectifier.
    Type: Grant
    Filed: March 24, 1994
    Date of Patent: February 18, 1997
    Assignee: SGS-Thomson Microelectronics S.A.
    Inventors: Robert Pezzani, Denis Berthiot