Scan pattern generators for bar code symbol readers
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United States of America Patent
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Jan 18, 1994
Issued Date -
N/A
app pub date -
Apr 14, 1992
filing date -
Oct 30, 1989
priority date (Note) -
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Abstract
A scan pattern generator for use in a bar code reader which uses a single drive (one coil and one magnet) to produce movement of a reflective surface so as to produce an oscillating movement of the surface in two directions, thereby forming a raster-type scanning pattern when a light beam is reflected off the surface.
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