Miniature rotating transmissive optical drum scanner
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United States of America Patent
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Jan 22, 2013
Grant Date -
Feb 16, 2012
app pub date -
Aug 10, 2010
filing date -
Aug 10, 2009
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Abstract
A miniature rotating transmissive optical scanner system employs a drum of small size having an interior defined by a circumferential wall rotatable on a drum axis, an optical element positioned within the interior of the drum, and a light-transmissive lens aperture provided at an angular position in the circumferential wall of the drum for scanning a light beam to or from the optical element in the drum along a beam azimuth angle as the drum is rotated. The miniature optical drum scanner configuration obtains a wide scanning field-of-view (FOV) and large effective aperture is achieved within a physically small size.
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