Patents by Inventor Antonius Henricus Habraken

Antonius Henricus Habraken 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).

  • Ballast circuit arrangement for operating a discharge lamp with end of lamp life detection
    Publication number: 20050001558
    Abstract: End of life of a lamp operated by a ballast circuit is detected by detecting whether the amplitude of a DC current through the lamp is outside of a range between two predetermined boundary values.
    Type: Application
    Filed: October 24, 2002
    Publication date: January 6, 2005
    Inventors: Arnold Buij, Antonius Henricus Habraken, Geert Van Der Veen