Video system for three dimensional imaging and photogrammetry
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United States of America Patent
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Jul 2, 2002
Issued Date -
N/A
app pub date -
Feb 3, 1998
filing date -
Feb 3, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A video system for providing an operator with a three dimensional stereoscopic image of the oral cavity of a patient is provided. The system includes an imaging unit for providing at least two stereoscopic images of the oral cavity, a pair of switchable shutters for alternatingly blocking the view of the left eye and the right eye of the operator, a synchronizing unit for synchronizing the switching of the pair of switchable shutters with the rate of generation of the two stereoscopic video images by the imaging unit and a video display for displaying the two stereoscopic images.
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