Electricity: circuit makers and breakers – Electric switch details – Cases and bases
Reexamination Certificate
2008-04-01
2008-04-01
Friedhofer, Michael A. (Department: 2832)
Electricity: circuit makers and breakers
Electric switch details
Cases and bases
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
Friedhofer Michael A.
Matsushita Electric - Industrial Co., Ltd.
RatnerPrestia
LandOfFree
Key input device does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Key input device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Key input device will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2763219