Patents by Inventor Georges Calon

Georges Calon 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).

  • Discharge lamp comprising electrodes having a conical slip part
    Publication number: 20060255736
    Abstract: A lamp vessel (3) of a discharge lamp comprises two electrodes (40), wherein a part of each electrode (40) extends in a plug (23) arranged at an end of the lamp vessel (3). The electrode (40) comprises a base part (41), through means of which the electrode (40) is fixed to the seal (23). Furthermore, the electrode (40) comprises an intermediate part (43) having a conical outer surface (44). An inner surface (51) of the plug (23) fits closely on the outer surface (44) of the intermediate part (43) of the electrode (40). In case the electrode (40) expands as a result of an increase of the temperature, the conical outer surface (44) of the electrode (40) slips with respect to the inner surface (51) of the plug (23), wherein stress build-up is avoided. In this way, breaking of the plug (23) is avoided.
    Type: Application
    Filed: August 3, 2004
    Publication date: November 16, 2006
    Applicant: Koninklijke Philips Electronics N.V.
    Inventors: Jacobus Selen, Georges Calon