Computer graphics processing and selective visual display system – Display peripheral interface input device – Including keyboard
Reexamination Certificate
2005-06-28
2005-06-28
Eisen, Alexander (Department: 2674)
Computer graphics processing and selective visual display system
Display peripheral interface input device
Including keyboard
C341S022000, C200S308000
Reexamination Certificate
active
06911971
ABSTRACT:
The computer of the present invention is provided with a main body on which keys to be operated by the user are disposed and a display unit that displays an image in accordance with each operation executed for the main body. Each key disposed on the main body is composed of its body having a key top and a light accumulator recess opened in the key top. The light accumulator recess is formed in a manner indicative of the character or symbol associated with such key. The light accumulator recess has embedded in it a light accumulating material such that the character or symbol associated with the key is illuminated by the residual light emission of the light accumulating material when the computer is operated in a location with little or no ambient light.
REFERENCES:
patent: 5655826 (1997-08-01), Kouno et al.
patent: 5743381 (1998-04-01), Patak et al.
patent: 6036326 (2000-03-01), Yoshikawa et al.
patent: 05-314855 (1993-11-01), None
patent: 09-009106 (1997-01-01), None
Ogawa Tetsuo
Suzuki Michio
Eisen Alexander
Reid Scott W.
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