Patents by Inventor Gregg Keck

Gregg Keck 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).

  • Display system having selectable automatic CRT cutoff stabilization or AKB with CRT feedback current simulation
    Patent number: 6545717
    Abstract: A display system (10) which includes a CRT feedback current simulating circuit (20) to simulate the cathode feedback current directly from the from the red, green and blue output biases of the video processor (13). Furthermore, the display system (10) applies blanking to the references pulses applied to the CRT output driving stage (16) so that the reference pulses will not be visible during a vertical underscanned condition. Shifting the generation of the cathode feedback current prior to the application of the blanking prevents any significant distortion, modification or skewing of the cathode feedback current sensed by the AKB sensing circuitry (19) of the video processor (13).
    Type: Grant
    Filed: September 26, 2001
    Date of Patent: April 8, 2003
    Assignee: Koninklijke Philips Electronics N.V.
    Inventors: William G. Miller, Mark Laramie, Gregg Keck
  • DISPLAY SYSTEM HAVING SELECTABLE AUTOMATIC CRT CUTOFF STABILIZATION OR AKB WITH CRT FEEDBACK CURRENT SIMULATION
    Publication number: 20030057838
    Abstract: A display system (10) which includes a CRT feedback current simulating circuit (20) to simulate the cathode feedback current directly from the from the red, green and blue output biases of the video processor (13). Furthermore, the display system (10) applies blanking to the references pulses applied to the CRT output driving stage (16) so that the reference pulses will not be visible during a vertical underscanned condition. Shifting the generation of the cathode feedback current prior to the application of the blanking prevents any significant distortion, modification or skewing of the cathode feedback current sensed by the AKB sensing circuitry (19) of the video processor (13).
    Type: Application
    Filed: September 26, 2001
    Publication date: March 27, 2003
    Applicant: Koninklijke Philips Electronics N.V.
    Inventors: William G. Miller, Mark Laramie, Gregg Keck