×

Direct keypad backlighting

  • US 5,847,336 A
  • Filed: 05/02/1997
  • Issued: 12/08/1998
  • Est. Priority Date: 05/02/1997
  • Status: Expired due to Term
First Claim
Patent Images

1. A keypad assembly, comprising:

  • a flexible pad having an upper surface with at least one key defined thereon, and a lower surface spaced from said upper surface;

    a flexible film having an upper surface and a lower surface, said upper surface of the flexible film being disposed in adjacent relationship with the lower surface of said flexible pad and having at least one light-emitting diode mounted thereon in respective aligned relationship with said at least one key of the flexible pad;

    at least one push-type switch disposed in adjacent relationship with the lower surface of said film and in respective aligned relationship with said at least one key of the flexible pad.

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