Optics: image projectors – Miscellaneous
Patent
1991-05-10
1993-08-10
Cuchlinski, Jr., William A.
Optics: image projectors
Miscellaneous
353 42, 340706, G03B 2100, G09G 302
Patent
active
052353630
ABSTRACT:
Disclosed is a method and apparatus for one or more operators to interact with a computer-controlled image projection system. An operator-controlled radiation projector projects a beam of radiation which may be visible or invisible on the image created by the computer-controlled image projection system. A position sensing device determines the position of the projected radiation relative to the projected image and provides position information to the computer. In a preferred embodiment, the computer can then generate an additional image at or related to the spot of radiation permitting the operator to draw or paint pictures on the computer-projected image.
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Operating Principle of Position-Sensing Diode (PSD), pp. 3-7, Nov. 20, 1990.
Vogeley Arthur W.
Vogeley James H.
Cuchlinski Jr. William A.
Dowling William C.
n-View Corporation
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