Virtual holographic input method and device
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United States of America Patent
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Mar 2, 2010
Grant Date -
May 20, 2004
app pub date -
Nov 12, 2003
filing date -
Nov 12, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An input device for detecting input with respect to a three dimensional area in space. The input device includes an electromagnetic wave interference projector and receiver. The analysis of the difference between the projected interference pattern and the received interference pattern will determine the type and location of the user input. In addition, this holographic type of wave interference will display the image to be “manipulated” or “touched”.
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