Patents by Inventor Colm Lysaght

Colm Lysaght 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).

  • RGB illuminator with calibration via single detector servo
    Patent number: 6633301
    Abstract: A display system includes a light modulator divided into an array of individually controllable pixels and an input-driven illumination device. The illumination device is adapted to receive a variable input and is configured to direct light of variable intensity onto the modulator, depending on the input. The display system further includes a calibrating arrangement for establishing the input to the illumination device to produce a desired intensity level of light. The calibrating arrangement includes a light sensing mechanism, which senses the light from the illumination device while the illumination device is driven by an initial input. The calibration arrangement is configured to determine a comparison between the sensed light and a value representative of the desired-intensity level. The calibration arrangement further includes a control arrangement responsive to the comparison for varying the input so as to provide light of the desired intensity level.
    Type: Grant
    Filed: May 17, 1999
    Date of Patent: October 14, 2003
    Assignee: Displaytech, Inc.
    Inventors: James M. Dallas, Ryan Patrick Donohue, Mark A. Handschy, Gani Jusuf, Colm Lysaght, Rainer Malzbender