Illuminated button key

Details Illuminated button key Illuminated button key

1992-07-17

1993-08-10

Ryan, Patrick J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

200310, 200312, 200314, 200315, 341 22, 341 23, 341 32, 428204, 428206, B32B 900

Patent

active

052347443

ABSTRACT:
An illuminated key button is disclosed which is formed of a light permeable hard resin and has on the bottom of the key a print layer which is illuminated from below and is integral with the operating portion of the key button.

REFERENCES:
patent: 4882581 (1989-11-01), Inobe et al.
patent: 4937408 (1990-06-01), Hattori et al.
patent: 5120920 (1992-06-01), Moriike

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