Patents by Inventor Markus Schwär

Markus Schwär 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).

  • Testing device for lighting means
    Patent number: 7859267
    Abstract: A testing device (1) for a lamp (3) operated at a nominal voltage (Vn) and at a nominal frequency (fn), having a capacitive coupling of a test voltage (Vp) at a testing frequency of (fp) to the lamp (3), wherein a coupled test voltage (Vpa) corresponds to the nominal voltage (Vn), and a coupled test frequency (fpa) corresponds to the nominal frequency (fn). The testing device is capable of testing a gas-filled lamp having integrated upstream electronics between power supply connections and a gas filled portion.
    Type: Grant
    Filed: June 20, 2008
    Date of Patent: December 28, 2010
    Assignee: Hoover Dam Technology GmbH
    Inventors: Michael Andresen, Markus Schwär, Jürgen Herr