Patents Assigned to Arrigoni Computer Graphics
  • Apparatus for preventing noise generation in an electrical digitizer due to generation of optical signals
    Patent number: 4419539
    Abstract: A structure for transmitting an optical signal which allows physical separation of the optical source from the point of optical output, thereby preventing noise or interference due to the optical source being located in the vicinity of sensitive electrical apparatus.
    Type: Grant
    Filed: October 24, 1980
    Date of Patent: December 6, 1983
    Assignee: Arrigoni Computer Graphics
    Inventor: David M. Arrigoni