Bar code scanner utilizing time-multiplexed scan lines
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United States of America Patent
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Jun 15, 1999
Issued Date -
N/A
app pub date -
May 28, 1997
filing date -
Mar 13, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A bar code reader and method of reading a bar code symbol successively generates scan patterns at different times on the symbol. Preferably, two light sources are alternately energized to alternately produce two scan lines across the symbol. Each scan line reflects light from the symbol. The reflected light is detected by a photodetector which, in turn, generates an electrical signal. This signal is decoded into data corresponding to the symbol.
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Cited Art Landscape
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