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Wilhelmus Hinderikus Maria Langeslag

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  • Eindhoven, NL
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Patents Grantslast 30 patents

  • Information Patent Grant

    Multiple discharge lamp ballast with equalizer voltage protection
    • Patent number 6,674,251
    • Issue date Jan 6, 2004
    • Koninklijke Philips Electronics N.V.
    • Wilhelmus Hinderikus Maria Langeslag
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Short circuit ballast protection
    • Patent number 6,667,584
    • Issue date Dec 23, 2003
    • Koninklijke Philips Electronics N.V.
    • Christofher Daniel Charles Hooijer
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Low loss operating circuit for a discharge lamp
    • Patent number 6,664,743
    • Issue date Dec 16, 2003
    • Koninklijke Philips Electronics N.V.
    • Wilhelmus Hinderikus Maria Langeslag
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Circuit arrangement
    • Patent number 6,535,401
    • Issue date Mar 18, 2003
    • Koninklijke Philips Electronics N.V.
    • Marcel Beij
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Circuit device
    • Patent number 6,445,140
    • Issue date Sep 3, 2002
    • Koninklijke Philips Electronics N.V.
    • Arnold Willem Buij
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Circuit device
    • Patent number 6,385,068
    • Issue date May 7, 2002
    • Koninklijke Philips Electronics, N.V.
    • Everaard Marie Jozef Aenderkerk
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Discharge lamp device having a preheating electrode circuit
    • Patent number 6,043,606
    • Issue date Mar 28, 2000
    • U.S. Philips Corporation
    • Paulus P. B. Arts
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Discharge lamp with heating electrode circuit
    • Patent number 5,986,408
    • Issue date Nov 16, 1999
    • U.S. Philips Corporation
    • Wilhelmus H. M. Langeslag
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

  • Information Patent Application

    Method and apparatus for driving a gas discharge lamp
    • Publication number 20040245945
    • Publication date Dec 9, 2004
    • Winston Donald Couwenberg
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Short circuit ballast protection
    • Publication number 20030076055
    • Publication date Apr 24, 2003
    • Christofher Daniel Charles Hooijer
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Circuit arrangement
    • Publication number 20020140372
    • Publication date Oct 3, 2002
    • Wilhelmus Hinderikus Maria Langeslag
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Circuit arrangement
    • Publication number 20020113557
    • Publication date Aug 22, 2002
    • Wilhelmus Hinderikus Maria Langeslag
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Circuit arrangement
    • Publication number 20020093838
    • Publication date Jul 18, 2002
    • Marcel Beij
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Circuit device
    • Publication number 20020015321
    • Publication date Feb 7, 2002
    • Everaard Marie Jozef Aenderkerk
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Circuit device
    • Publication number 20020014856
    • Publication date Feb 7, 2002
    • Arnold Willem Buij
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR