Printed matter – Having revealable concealed information – fraud preventer or... – Identifier
Patent
1992-09-28
1993-04-20
Bell, Paul A.
Printed matter
Having revealable concealed information, fraud preventer or...
Identifier
235494, B42D 1510
Patent
active
052035913
ABSTRACT:
A barcode label comprises a carrier surface, such as a reflective surface on a paper sheet, having thereon a barcode in at least three or more different densities, each density having an optimum reading distance different from the others. The label is preferably pressure sensitive. Also, for certain applications, the label is curved to have or otherwise has an upper lip shading the barcode from overhead light.
REFERENCES:
patent: 3211470 (1965-10-01), Wilson
Bell Paul A.
Computype, Inc.
Hansen Kenneth J.
Strimbeck Lee A.
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