Bar code reader
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United States of America Patent
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Nov 16, 1993
Issued Date -
N/A
app pub date -
Mar 16, 1992
filing date -
Jan 31, 1990
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The bar code label according to the present invention can be washed, if stained with mud or dirt, to remove the stains and also it is not easily corroded by rust, thereby permitting to positively record and preserve information for a long term. Also the present invention provides a bar code reader incorporating a magnetic sensor to detect a change of magnetic field and by which anybody can read the bar code label easily and positively.
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