Input device for a cellular phone

Details Input device for a cellular phone Input device for a cellular phone

2007-06-26

2007-06-26

Enad, Elvin (Department: 2832)

Electricity: circuit makers and breakers

Solid contact

Membrane type

C200S302100, C200S302200

Reexamination Certificate

active

11397512

ABSTRACT:
An input device includes a casing having a retention groove, a flexible membrane disposed on the casing and having a plurality of keys, a connecting portion an outer flange extending outwardly from an outer surface of the connecting portion, an upper recess formed on an inner surface of the connecting portion, and a lower recess formed on the inner surface below the upper recess, and a fixing ring for disposing below the flexible membrane so as to be received in one of the upper and lower recesses. Disposing the fixing ring below the flexible membrane in the lower recess after insertion of the outer flange of the flexible membrane into the retention groove results in fixing of the outer flange of the flexible membrane within the retention groove.

REFERENCES:
patent: 4338502 (1982-07-01), Hashimoto et al.
patent: 5545865 (1996-08-01), Gotou
patent: 6488425 (2002-12-01), Spence et al.
patent: 2004/0182687 (2004-09-01), Tsubaki

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