Patents by Inventor Manfred Roehl

Manfred Roehl 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).

  • Ignition transformer for a discharge lamp
    Patent number: 8339060
    Abstract: An ignition transformer for a discharge lamp is provided having a transformer core whose material and dimensions are selected in such a manner that the Curie temperature of the material after the ignition which is achieved by means of the ignition transformer can be achieved by a voltage drop across a secondary winding of the ignition transformer.
    Type: Grant
    Filed: February 8, 2008
    Date of Patent: December 25, 2012
    Assignee: Osram AG
    Inventors: Bernhard Siessegger, Manfred Roehl
  • Integrated gas discharge lamp
    Patent number: 8314554
    Abstract: Various embodiments relate to an integrated gas discharge lamp including a lamp base, a gas discharge lamp burner and an ignition electronics, wherein the integrated gas discharge lamp includes an operation electronics for operating the gas discharge lamp burner, and the gas discharge lamp burner, the ignition electronics, and the operation electronics are unseparably coupled with each other.
    Type: Grant
    Filed: November 25, 2009
    Date of Patent: November 20, 2012
    Assignee: Osram AG
    Inventors: Knut Asmussen, Guenther Hirschmann, Lars Kolbe, Manfred Roehl, Bernhard Siessegger
  • HEADLAMP AND ITS USE
    Publication number: 20100213809
    Abstract: A headlamp is provided having a cap and a light output which is predetermined by international standardization with respect to the distance and position with respect to a reference plane of the cap, wherein the light output is provided by one or more semiconductor light sources.
    Type: Application
    Filed: August 12, 2008
    Publication date: August 26, 2010
    Applicant: OSRAM GESELLSCHAFT MIT BESCHRAENKTER HAFTUNG
    Inventors: Manfred Roehl, Bernhard Siessegger
  • INTEGRATED GAS DISCHARGE LAMP
    Publication number: 20100134010
    Abstract: Various embodiments relate to an integrated gas discharge lamp including a lamp base, a gas discharge lamp burner and an ignition electronics, wherein the integrated gas discharge lamp includes an operation electronics for operating the gas discharge lamp burner, and the gas discharge lamp burner, the ignition electronics, and the operation electronics are unseparably coupled with each other.
    Type: Application
    Filed: November 25, 2009
    Publication date: June 3, 2010
    Applicant: OSRAM GESELLSCHAFT MIT BESCHRAENKTER HAFTUNG
    Inventors: Knut Asmussen, Guenther Hirschmann, Lars Kolbe, Manfred Roehl, Bernhard Siessegger
  • IGNITION TRANSFORMER FOR A DISCHARGE LAMP
    Publication number: 20100045199
    Abstract: An ignition transformer for a discharge lamp is provided having a transformer core whose material and dimensions are selected in such a manner that the Curie temperature of the material after the ignition which is achieved by means of the ignition transformer can be achieved by a voltage drop across a secondary winding of the ignition transformer.
    Type: Application
    Filed: February 8, 2008
    Publication date: February 25, 2010
    Applicant: OSRAM GESELLSCHAFT MIT BESCHRAENKTER HAFTUNG
    Inventors: Bernhard Siessegger, Manfred Roehl