Patents by Inventor Antonius Hermanus Alfonsus Scharenborg

Antonius Hermanus Alfonsus Scharenborg 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).

  • High intensity discharge lamp with terbium halide fill
    Patent number: 7808181
    Abstract: The invention relates to a high intensity discharge lamp provided with a discharge vessel enclosing a discharge space comprising an ionizable filling including besides mercury a rare earth halide, which lamp emits during stable operation light with a color temperature Tc of at least 7000K. According to the invention the lamp of the type described in the opening paragraph is therefore characterized in that the rare earth of the rare earth halide comprises Tb or Tb and Dy.
    Type: Grant
    Filed: March 17, 2006
    Date of Patent: October 5, 2010
    Assignee: Koninklijke Philips Electronics N.V.
    Inventors: Luc Stefaan Emmanuel Lammerant, Antonius Hermanus Alfonsus Scharenborg