Computer graphics processing and selective visual display system – Display peripheral interface input device – Cursor mark position control device
Patent
1997-12-18
1999-11-16
Hjerpe, Richard A.
Computer graphics processing and selective visual display system
Display peripheral interface input device
Cursor mark position control device
345173, 345157, G09G 508
Patent
active
059866454
ABSTRACT:
An improved joystick is disclosed having an actuator that is resistant to undesired rotation stemming from rotation of the handle of the joystick during use.
REFERENCES:
patent: 3115555 (1963-12-01), Lescarboura
patent: 4473725 (1984-09-01), Kim
patent: 5043709 (1991-08-01), Kim
patent: 5068498 (1991-11-01), Engel
patent: 5140313 (1992-08-01), Wen
patent: 5157229 (1992-10-01), Wu
patent: 5406040 (1995-04-01), Johnson
"WICO Gives You The Most" brochure believed to have been published prior to Dec. 18, 1997.
H. Betti Industries Inc.
Hjerpe Richard A.
Nguyen Kimnhung
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