Patents by Inventor Frank Sroka

Frank Sroka 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).

  • Transformer and lamp base element, lamp base, and discharge lamp having such a lamp base
    Patent number: 8742663
    Abstract: In various embodiments, a lamp base element for holding a transformer is provided. The lamp base element may include a transformer chamber which holds the transformer, wherein the transformer is held completely in the transformer chamber, and wherein the contact pins of the transformer are passed through a contact-making face of the transformer chamber, which contact-making face is opposite an opening face.
    Type: Grant
    Filed: June 25, 2009
    Date of Patent: June 3, 2014
    Assignee: OSRAM Gesellschaft mit beschraenkter Haftung
    Inventor: Frank Sroka
  • TRANSFORMER AND LAMP BASE ELEMENT, LAMP BASE, AND DISCHARGE LAMP HAVING SUCH A LAMP BASE
    Publication number: 20110115374
    Abstract: In various embodiments, a lamp base element for holding a transformer is provided. The lamp base element may include a transformer chamber which holds the transformer, wherein the transformer is held completely in the transformer chamber, and wherein the contact pins of the transformer are passed through a contact-making face of the transformer chamber, which contact-making face is opposite an opening face.
    Type: Application
    Filed: June 25, 2009
    Publication date: May 19, 2011
    Applicant: OSRAM GESELLSCHAFT MIT BESCHRAENKTER HAFTUNG
    Inventor: Frank Sroka
  • High-pressure discharge lamp and illumination apparatus having a high-pressure discharge lamp
    Patent number: 7453213
    Abstract: The invention relates to a high-pressure discharge lamp, in particular a vehicle headlight high-pressure discharge lamp, having a lamp base, in whose interior is arranged a starting apparatus for the purpose of starting the gas discharge in the high-pressure discharge lamp and which is provided with an electromagnetic shield, and having a discharge vessel which has an end near to the base and an end remote from the base, a power supply line protruding out of the end, remote from the base, of the discharge vessel being passed back to the lamp base and being electrically coupled to the electromagnetic shield. The electromagnetic shield is preferably connected to the ground reference potential of an operating device of the high-pressure discharge lamp.
    Type: Grant
    Filed: November 30, 2005
    Date of Patent: November 18, 2008
    Assignee: Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH
    Inventors: Stefan Hackenbuchner, Gunther Hirschmann, Frank Sroka
  • High-pressure discharge lamp and illumination apparatus having a high-pressure discharge lamp
    Publication number: 20060119282
    Abstract: The invention relates to a high-pressure discharge lamp, in particular a vehicle headlight high-pressure discharge lamp, having a lamp base, in whose interior is arranged a starting apparatus for the purpose of starting the gas discharge in the high-pressure discharge lamp and which is provided with an electromagnetic shield, and having a discharge vessel which has an end near to the base and an end remote from the base, a power supply line protruding out of the end, remote from the base, of the discharge vessel being passed back to the lamp base and being electrically coupled to the electromagnetic shield. The electromagnetic shield is preferably connected to the ground reference potential of an operating device of the high-pressure discharge lamp.
    Type: Application
    Filed: November 30, 2005
    Publication date: June 8, 2006
    Applicant: PATENT-TREUHAND-GESELLSCHAFT FUR ELEKTRISCHE GLUHLAMPEN MBH
    Inventors: Stefan Hackenbuchner, Gunther Hirschmann, Frank Sroka