Barcode and its reading device
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United States of America Patent
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N/A
Issued Date -
Feb 26, 2004
app pub date -
Jun 16, 2003
filing date -
Jun 17, 2002
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A barcode comprises a combination of multiple line elements of different line widths, wherein a specific barcode comprises a combination of different heights in the line elements, together with the combination of different line widths. Such bar code is difficult to make a copy of. The related reading device is also described.
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