Beam pattern contractor and focus element, method and apparatus
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United States of America Patent
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-
Aug 3, 2004
Grant Date -
Nov 7, 2002
app pub date -
Apr 5, 2002
filing date -
Mar 13, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An optical head assembly, method, and procedure which generates and then precisely positions multiple light beams onto a target. The system diffracts an input light source into a multiple light beam pattern, or initially generates a multiple light beam pattern, in which individual beams of the multiple light beam pattern are precisely spaced, corrected, focused and directed through a two axis plane to the target with minimal movement of any components of the optical head assembly. Such individual beams can also be individually modulated.
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