Bar code with alignment mark
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 14, 1982
Grant Date -
N/A
app pub date -
Oct 20, 1980
filing date -
Oct 20, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Alignment mark 5 is printed by printer 30 during the same operation in which bar code 3 is printed. Subsequent alignment is by the optical scanner 32 centering on mark 5. In a specific application a factor relating to the vertical position of scanner 32 to printer 30 is obtained by scanning mark 5 shortly after it is printed. This factor is used to position the scanner 32 to read for errors after a line of code 3 is printed.
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Family
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Cited Art Landscape
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