Computer graphics processing and selective visual display system – Display peripheral interface input device – Cursor mark position control device
Patent
1992-05-28
1993-09-28
Oberley, Alvin E.
Computer graphics processing and selective visual display system
Display peripheral interface input device
Cursor mark position control device
345156, G09G 302
Patent
active
052489604
ABSTRACT:
By providing a pointer assembly which is easily mounted to a computer terminal or screen and is movable from a first position to any second position on the terminal or screen, with the position of the pointer being precisely measured and transmitted to the computer, a unique, easily employed signal generating and position controlling system is realized. By incorporating a switch in the pointer assembly or in association with the pointer assembly, any individual is capable of employing the system of this invention quickly, easily, and accurately, without requiring training or expertise. In the preferred embodiment, the pointer assembly is movable both arcuately and longitudinally, relative to a fixed initial position, with any movement from the initial position being precisely measured to determine the desired, user-selected position.
REFERENCES:
patent: 3559307 (1991-02-01), Barrekette et al.
patent: 4177354 (1979-12-01), Mathews
patent: 4500749 (1985-02-01), Khoshnevis
patent: 4553842 (1985-11-01), Griffin
patent: 4813146 (1989-03-01), Jaluzot
patent: 4852055 (1989-07-01), Lapeyre
patent: 4922618 (1990-05-01), Osborn et al.
Oberley Alvin E.
Oh Minsun
Stoltz Melvin I.
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