Patents by Inventor Boyd G. Pett

Boyd G. Pett 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).

  • VGA color system for personal computers
    Patent number: 5574478
    Abstract: Modifications to a prior art system known as video graphics adapter (VGA) for displaying color images on a monitor attached to a personal computer. The modifications provide the following four enhancements to a standard VGA system: (i) user definable border color; (ii) automatic powering down of the digital analog converter (DAC) component of the VGA RAMDAC and monitor sense comparator for LCD monitors when the RAMDAC is not in use; (iii) stopping of the RAMDAC clock for LCD monitors when the RAMDAC is not in use; and (iv) true color support.
    Type: Grant
    Filed: April 27, 1992
    Date of Patent: November 12, 1996
    Assignee: Cirrus Logic, Inc.
    Inventors: Vlad Bril, Boyd G. Pett