Patents Assigned to Touchstone Computers, Inc.
  • Patent number: 5150109
    Abstract: A bus mountable Video Graphic Array (VGA), controller card for IBM personal computer family products, including the PC, PC/XT, PC/AT, and PS/2 computers and completely compatable clone computer products to provide VGA standard signals to drive conventional Cathode Ray Tube, (CRT) and flat panel displays is disclosed. The VGA controller card is hardware compatable to the IBM PC family products; functions to provide VGA standard signals capable of driving flat panel displays and converts standrad PS/2 VGA signals to simultaneously drive conventional CRT and flat panel displays.
    Type: Grant
    Filed: February 13, 1989
    Date of Patent: September 22, 1992
    Assignee: Touchstone Computers, Inc.
    Inventor: Wayne F. Berry