Key switch device

Details Key switch device Key switch device

1999-05-24

2000-06-06

Friedhofer, Michael

Electricity: circuit makers and breakers

Electric switch details

Actuators

H01H 1370

Patent

active

060721340

ABSTRACT:
A thin key switch device engagement portions formed in a base plate at a reduced processing quantity as compared with a conventional key switch device by effectively utilizing the thickness of the base plate. The key switch device increases the keystroke quantity while reducing the height of the key top arranged in the key switch device, thereby realizing a low profile key switch device.

REFERENCES:
patent: 5278371 (1994-01-01), Watanabe et al.
patent: 5504283 (1996-04-01), Kako et al.
patent: 5695047 (1997-12-01), Tanahashi
patent: 5746308 (1998-05-01), Lin
patent: 5763842 (1998-06-01), Tsai et al.
patent: 5850194 (1998-12-01), Lin
patent: 5878872 (1999-03-01), Tsai

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