Patents by Inventor Jonathan Holl{umlaut over (a)}nder

Jonathan Holl{umlaut over (a)}nder 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).

  • Method and apparatus for igniting a gas discharge lamp
    Patent number: 6172468
    Abstract: A gas discharge lamp and a method of operating the lamp is provided. The gas discharge lamp includes a lamp, a ballast for providing an AC voltage to the lamp and a frequency changer which selects an initial AC frequency at which the ballast provides the AC voltage and which changes the AC frequency to a second AC frequency, wherein the second frequency is higher than the initial frequency.
    Type: Grant
    Filed: January 4, 1999
    Date of Patent: January 9, 2001
    Assignee: Metrolight Ltd.
    Inventor: Jonathan Holl{umlaut over (a)}nder