Patents Assigned to PATENT-TREUHAND-GESELLSCHAFT FUR ELECTRISCH GLUHLAMPEN MBH
  • Electronic ballast having resonance excitation for generating a transfer voltage
    Publication number: 20050225260
    Abstract: The invention relates to an electronic ballast, to an illumination device including the electronic ballast and an associated high-pressure discharge lamp, and to a corresponding operating method for a high-pressure discharge lamp, in which resonance excitation is used to generate a voltage-increased power for a transfer phase of the lamp Lp after starting.
    Type: Application
    Filed: April 8, 2005
    Publication date: October 13, 2005
    Applicant: PATENT-TREUHAND-GESELLSCHAFT FUR ELECTRISCH GLUHLAMPEN MBH
    Inventors: Alois Braun, Young Kang, Walter Limmer, Joachim Muhlschlegel
  • Incandescent lamp having a carbide-containing luminous element
    Publication number: 20050212422
    Abstract: The incandescent lamp is equipped with a luminous element which is hermetically inserted in a bulb together with a filling, the luminous element having a metal carbide whose melting point is above that of tungsten. The supply lead is fabricated integrally with the luminous element from a wire and provided with an electrically conducting coating which decisively improves the impact strength and make-proofness.
    Type: Application
    Filed: March 17, 2005
    Publication date: September 29, 2005
    Applicant: PATENT-TREUHAND-GESELLSCHAFT FUR ELECTRISCH GLUHLAMPEN MBH
    Inventor: Georg Rosenbauer