Portable information-processing apparatus having a manual operat

Details Portable information-processing apparatus having a manual operat Portable information-processing apparatus having a manual operat

1997-09-02

2000-11-07

Saras, Steven J.

Computer graphics processing and selective visual display system

Display peripheral interface input device

Cursor mark position control device

345157, G09G 500

Patent

active

061443689

ABSTRACT:
A portable information-processing apparatus comprising a housing having a first wall and a second wall opposing the first wall. A first manual operating member is provided on the first wall and exposed. A second manual operating member is provided on the second wall, is exposed, and facing away from the first manual operating member. In the housing there is provided a reinforcing plate for receiving the pressure which is generated when the first manual operating member is operated. The reinforcing member is located between the first and second operating members and supported by the first wall. The first and second manual operating members are supported by the first wall. The reinforcing plate is placed apart from the second manual operating member, forming a gap. The second wall has a projection which abuts on the reinforcing plate.

REFERENCES:
patent: 4470668 (1984-09-01), Inoue et al.
patent: 4720709 (1988-01-01), Imamura et al.
patent: 5572237 (1996-11-01), Crooks et al.
patent: 5786806 (1998-07-01), Fester
patent: 5986338 (1999-11-01), Nakajima

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