Illuminated keypad key and method of manufacture thereof

Details Illuminated keypad key and method of manufacture thereof Illuminated keypad key and method of manufacture thereof

1998-01-14

2000-07-04

O'Shea, Sandra

Electricity: circuit makers and breakers

Electric switch details

Actuators

200317, 200310, 200313, 200314, 200345, H01H 312

Patent

active

060841907

ABSTRACT:
An illuminated keypad key and method of manufacture thereof, having a light-permeable resin key top, a film having a pattern formed in one side thereof, the film being fixed to the upper and side surfaces of the transparent resin key top, cutting away portions of the film that extend beyond the lower periphery of the key top, and upper surface of a key operating portion made from transparent rubber or thermoplastic elastomer, being fixed to the underside surface of the key top by means of a transparent adhesive. The above mentioned film has a thickness of 100 mm-200 mm.

REFERENCES:
patent: 5036440 (1991-07-01), Takii et al.
patent: 5120920 (1992-06-01), Moriike
patent: 5234744 (1993-08-01), Kenmochi
patent: 5399821 (1995-03-01), Inagaki et al.
patent: 5475192 (1995-12-01), Inagaki et al.
patent: 5510584 (1996-04-01), Norris

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