Computer graphics processing and selective visual display system – Display peripheral interface input device – Light pen for controlling plural light-emitting display...
Patent
1998-07-28
2000-10-17
Hjerpe, Richard A.
Computer graphics processing and selective visual display system
Display peripheral interface input device
Light pen for controlling plural light-emitting display...
345180, 345182, 345 31, 362118, G09G 504
Patent
active
061339075
ABSTRACT:
A pointing device includes a casing having a lens received in the first end thereof and a battery received in the second end thereof. A motor is received in the casing and has a shaft to which a transparent disk is co-rotatably mounted, a plurality of pictures imprinted on the transparent disk. A control device for actuating the motor is received in the casing and connected to a button on the casing. A laser beam generating device is located between the control device and the transparent disk, and aligns with the pictures when the transparent disk is co-rotated with the shaft so as to project a motion picture on a remote wall.
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Hjerpe Richard A.
Tran Henry N.
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