Patents by Inventor Philippe Lhomer

Philippe Lhomer 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).

  • Simplified supplying system of the position identification potentiometers of electronic memory mechanisms of a motor for setting automobile vehicle seats and the like
    Patent number: 5253138
    Abstract: A setting in position identification potentiometer is connected to terminals of the motor. The motor is supplied with a voltage (U.sub.feed) possibly variable and switchable between two reverse polarity states according to rotation direction. The potentiometer has a slider which is connected via a first dividing bridge to input of an analog-digital converter subjected to a reference voltage (U.sub.ref) connected to same possibly variable voltage via a second dividing bridge. Output of the analog-digital converter is connected to an electronic module. The resistor value at the ground of each of the two dividing bridges is respectively equal to a product of the other resistor value by a same multiplying coefficient A.
    Type: Grant
    Filed: January 24, 1992
    Date of Patent: October 12, 1993
    Assignee: ETS Cousin Freres
    Inventors: Georges Droulon, Yannick Leroy, Philippe Lhomer