Patents by Inventor John-John Pieter Jan Vav Den Bergh

John-John Pieter Jan Vav Den Bergh 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).

  • METHOD OF DRIVING A GAS-DISCHARGE LAMP
    Publication number: 20100320938
    Abstract: The invention describes a method of driving a gas-discharge lamp (1), wherein the lamp (1) is driven at any one time using one of a number of driving schemes and wherein the operating voltage of the lamp (1) is monitored to obtain a number of operation data values (D) during operation of the lamp (1), a target voltage (VT) is determined on the basis of at least one of the number of operation data values (D), and a driving scheme switch-over occurs according to a relationship between the target voltage (VT) and the operating voltage of the lamp (1).
    Type: Application
    Filed: February 13, 2009
    Publication date: December 23, 2010
    Applicant: KONINKLIJKE PHILIPS ELECTRONICS N.V.
    Inventors: Jens Pollmann-Retsch, Uwe Mackens, John-John Pieter Jan Vav Den Bergh