×

TOUCH-WIRE OVERLAY MASKS FOR CATHODE RAY TUBES

  • US 3,773,989 A
  • Filed: 01/22/1971
  • Issued: 11/20/1973
  • Est. Priority Date: 11/26/1970
  • Status: Expired due to Term
First Claim
Patent Images

1. A flexible touch-wire mask mountable with one surface in abutment with the face of a cathode-ray tube and for use with associated circuitry in the defining of information-display locations at said face, characterized in that it has metallic touch-elements exposed for selective touching by a human finger at its other surface, and comprises at least one thin flexible sheet of transparent plastics material having printed conductor tracks formed on one surface, said tracks providing connections between at least some of said touch-elements and contact-making regions of an integral multi-point connector, the mask being further characterized in that said touch-elements are formed integrally with the conductor tracks.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×