Keyboard input device

Details Keyboard input device Keyboard input device

2005-03-22

2005-03-22

Yan, Ren (Department: 2854)

Typewriting machines

Key-board or key lever-actuating mechanism

Key-cap or key-stem structure

C400S491300, C200S0050EA, C200S00600C, C200S00600C, C361S689000

Reexamination Certificate

active

06869240

ABSTRACT:
A keyboard input device equipped with a pointing device featuring excellent water-proof performance and is capable of highly precisely detecting the angle of tilt and the direction of tilt of the operation body of the pointing device. The pointing device has a cylindrical operation body erected on a base. When the base is mounted on the back surface side of the support plate, the operation body protrudes toward the key switch side penetrating through the support plate. The base is mounted on the support plate forming a gap of a size A relative to the support plate, and a water-proof rubber of a predetermined thickness is arranged in the gap of the size A to prevent the water from entering the base side of the pointing device.

REFERENCES:
patent: 5708562 (1998-01-01), Agata et al.
patent: 6068417 (2000-05-01), Butler
patent: 6375372 (2002-04-01), Tsau
patent: 6613990 (2003-09-01), Kawasaki
patent: 6781819 (2004-08-01), Yang et al.

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