Patents by Inventor Daniel La Dret

Daniel La Dret 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).

  • Reduced electronic noise power supply to discharge lamps, especially for motor vehicle headlights
    Patent number: 6556463
    Abstract: A discharge lamp for a motor vehicle headlight is fed through a power supply device which includes a dc/ac converter. The power supplied to the dc/ac converter is modulated over time, preferably in a pseudo-random sequence. A power supply device adapted to perform this method is also described.
    Type: Grant
    Filed: September 27, 2000
    Date of Patent: April 29, 2003
    Assignee: Valeo Vision
    Inventors: Daniel La Dret, Jean-Marc Nicolaï