Patents by Inventor Shahriar Mohammadi

Shahriar Mohammadi 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).

  • Adaptive control apparatus and method for a solid state lighting system
    Patent number: 7973495
    Abstract: The present invention provides a method and apparatus for adaptive control of a solid-state lighting system consisting of one or more groups of one or more light-emitting elements The invention comprises a voltage control device to provide each group with an independently controllable voltage A feedback system to detect and generate a signal representative of drive currents through the one or more groups A computing device then adaptively evaluates, based on the signal, a required voltage that achieves a desired respective drive current in each of the one or more groups.
    Type: Grant
    Filed: March 12, 2007
    Date of Patent: July 5, 2011
    Assignee: Koninklijke Philips Electronics N.V.
    Inventors: Toma Ion, Shahriar Mohammadi, Bojana Bjeljac, Paul Jungwirth
  • ADAPTIVE CONTROL APPARATUS AND METHOD FOR A SOLID STATE LIGHTING SYSTEM
    Publication number: 20090058322
    Abstract: The present invention provides a method and apparatus for adaptive control of a solid-state lighting system consisting of one or more groups of one or more light-emitting elements The invention comprises a voltage control device to provide each group with an independently controllable voltage A feedback system to detect and generate a signal representative of drive currents through the one or more groups A computing device then adaptively evaluates, based on the signal, a required voltage that achieves a desired respective drive current in each of the one or more groups.
    Type: Application
    Filed: March 12, 2007
    Publication date: March 5, 2009
    Applicant: TIR TECHNOLOGY LP
    Inventors: Ion Toma, Shahriar Mohammadi, Bojana Bjeljac, Paul Jungwirth