Computer graphics processing and selective visual display system – Image superposition by optical means
Patent
1996-09-04
2000-05-30
Hjerpe, Richard A.
Computer graphics processing and selective visual display system
Image superposition by optical means
345158, 345156, G09G 500
Patent
active
060695943
ABSTRACT:
Apparatus and methods for providing positional and attitude information to a computer. An input device of the present invention comprises a controller, a transducer, and a mouse. In a 6D mode of operation, three-dimensional positional information with three degrees of freedom is provided to the computer. Multiple switches use an impedance ladder to provide multiple signals over a control line from a movable input device for a cursor or viewpoint on a display.
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Barnes James
Glickman David
Mc Clure Ron
Hjerpe Richard A.
Logitech Inc.
Nguyen Frances
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