Operation panel and image formation apparatus or electronic...

Details Operation panel and image formation apparatus or electronic... Operation panel and image formation apparatus or electronic...

2007-09-11

2007-09-11

Awad, Amr A. (Department: 2629)

Computer graphics processing and selective visual display system

Display peripheral interface input device

Including keyboard

C399S081000

Reexamination Certificate

active

10732258

ABSTRACT:
A display section of an operation panel is raised relative to a horizontal plane. If the display section consists of a liquid crystal having an angle of visibility of 80 degrees (i.e., with an angle formed between the line normal to the display surface of the display section and the visibility range limit being 40 degrees), the display section is raised at about 50 degrees relative to the horizontal plane, so that visibility can be ensured both at the wheelchair seated position and at the standing position at which the non-handicapped person stands up. Further, by arranging visual recognition keys (a menu key etc.) which require an operator to view the display section during operation thereof outside of a projection region of the display section, the operator's hand on the operation panel never hides the display section during operation.

REFERENCES:
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patent: 4669789 (1987-06-01), Pemberton
patent: 6206593 (2001-03-01), Brenner et al.
patent: 6259866 (2001-07-01), Kabumoto et al.
patent: 6819891 (2004-11-01), Suzuki
patent: 2002/0191980 (2002-12-01), Kudo
patent: 11119498 (1999-04-01), None
patent: 2003098908 (2003-04-01), None

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