User interactive computer controlled display system enabling a user remote from a display screen to make interactive selections on the display screen with a laser beam projected onto the display screen
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United States of America Patent
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-
Dec 18, 2007
Grant Date -
Oct 27, 2005
app pub date -
Apr 22, 2004
filing date -
Apr 22, 2004
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A display screen interface implementation in a computer controlled user interactive display system, for enabling an interactive user to select specific items on a large presentation display screen, comprising laser apparatus for projecting a laser beam pointer image onto the display screen, apparatus for interactively moving the projected laser pointer orthogonally with respect to the display screen, apparatus for tracking the orthogonal movement and position of the projected laser bean pointer and apparatus enabling the user to make interactive selections on the display screen based upon the orthogonal position of the projected laser bean pointer. For best results in preferred embodiments, the laser beam pointer is handheld.
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