Method and apparatus for interacting with a computer generated projected image
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United States of America Patent
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Aug 10, 1993
Grant Date -
N/A
app pub date -
May 10, 1991
filing date -
May 10, 1991
priority date (Note) -
Expired
status (Latency Note)
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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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