Key input device

Electricity: circuit makers and breakers – Electric switch details – Cases and bases

Reexamination Certificate

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Details

C200S302200, C200S314000, C200S344000

Reexamination Certificate

active

07351928

ABSTRACT:
A key input device includes a key input unit and an illuminating unit. The key input unit has a key cap, movable mechanism, pressure sensing part, and a frame housing these components. The illuminating unit illuminates the key cap from the bottom of this key input unit through the movable mechanism and the pressure sensing part. The key input unit and the illuminating unit are configured in such a way that they are independently waterproofed.

REFERENCES:
patent: 5247143 (1993-09-01), Suwa
patent: 6166342 (2000-12-01), Chou
patent: 6252184 (2001-06-01), Tsai et al.
patent: 6443644 (2002-09-01), Takeda et al.
patent: 6610944 (2003-08-01), Lee et al.
patent: 6686549 (2004-02-01), Douzono et al.
patent: 6971807 (2005-12-01), Tsai et al.
patent: 7049536 (2006-05-01), Marcus et al.
patent: 7057125 (2006-06-01), Tsai
patent: 7154059 (2006-12-01), Chou
patent: 2005-032703 (2005-02-01), None

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