Patents Assigned to Falco Data Products
  • General purpose data terminal system with display line refreshing and keyboard scanning using pulsewidth modulation
    Patent number: 4434472
    Abstract: A General purpose terminal system included microprocessor-controlled line refresh apparatus wherein an internal address table is updated, in real time, to control the line refreshing of the CRT display; a pulse width modulated serial keyboard scanning apparatus; and smooth scrolling/double-height/double-width apparatus.
    Type: Grant
    Filed: December 29, 1980
    Date of Patent: February 28, 1984
    Assignee: Falco Data Products
    Inventor: Lee Kachun