Computer graphics processing and selective visual display system – Display peripheral interface input device – Including keyboard
Patent
1992-12-18
1993-09-07
Weldon, Ulysses
Computer graphics processing and selective visual display system
Display peripheral interface input device
Including keyboard
34082526, G09G 302
Patent
active
052433315
ABSTRACT:
A keypad for interacting with a computer system having a display screen. The keypad includes a substantially planar base surface. A numeric/control key cluster is positioned on a first half of said planar base surface. The numeric/control key cluster incudes a 10-digit numeric key set, a plurality of cursor movement keys, and a plurality of control keys. A screen select key cluster is positioned on a second half of said planar base surface. The screen select key cluster includes a plurality of control keys for controlling display of information on the display screen.
REFERENCES:
patent: 3675208 (1972-07-01), Bard
patent: 3792462 (1974-02-01), Casey et al.
patent: 4725830 (1988-02-01), Kawai et al.
patent: 4812832 (1989-03-01), Oishi et al.
patent: 4937778 (1990-06-01), Wolf et al.
Kearns Richard F.
McCausland Robert G.
Automated Market Systems, L.P.
Weldon Ulysses
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