Patents by Inventor Jan Ellmann

Jan Ellmann 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).

  • Circuit arrangement for controlling light emitting diodes
    Patent number: 8310170
    Abstract: In a circuit arrangement for controlling light emitting diodes (LED's) combined in groups, with at least one driver which has current outputs, via which current can be delivered to the LED's, as well as a control input by which the current supplied to the LED's is adjustable, the current control input is connected to the voltage output of a voltage source.
    Type: Grant
    Filed: June 11, 2010
    Date of Patent: November 13, 2012
    Assignee: INit Innovative Informatikanwendungen in Transport-, Verkehrg-und Leitsystemen GmbH
    Inventors: Martin Pados, Jan Ellmann, Michael Gültig
  • Circuit arrangement for controlling light emitting diodes
    Publication number: 20100327770
    Abstract: In a circuit arrangement for controlling light emitting diodes (LED's) combined in groups, with at least one driver which has current outputs, via which current can be delivered to the LED's, as well as a control input by which the current supplied to the LED's is adjustable, the current control input is connected to the voltage output of a voltage source.
    Type: Application
    Filed: June 11, 2010
    Publication date: December 30, 2010
    Inventors: Martin Pados, Jan Ellmann, Michael Gültig