Patents by Inventor Bernhard Van Dijk

Bernhard Van Dijk 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).

  • Circuit arrangement
    Publication number: 20060239049
    Abstract: In an up-converter supplied by the mains supply and operating in the critical mode, the on-time of the switching element (2) is modulated so that it is increased in the vicinity of the zero crossings of the mains supply voltage. As a result the THD is lowered.
    Type: Application
    Filed: May 24, 2004
    Publication date: October 26, 2006
    Applicant: Koninklijke Philips Electronics N.V.
    Inventors: Henri Melai, Johan Hendrikx, Bernhard Van Dijk, Paul Veldman
  • Circuit arrangement
    Publication number: 20060071612
    Abstract: In a bride circuit comprising a lamp choke that might partially saturate during the ignition of the lamp, at least one of the switches is switched off when the amount of charge displaced through it in forward direction equals a predetermined value. Despite the partial paturation of the lamp choke the amplitude of the ignition voltage is thereby effectively controlled.
    Type: Application
    Filed: January 14, 2004
    Publication date: April 6, 2006
    Inventors: Paul Veldman, Bernhard Van Dijk, Jianjun Yu