Printed matter – Having revealable concealed information – fraud preventer or... – Utilizing electromagnetic radiation
Patent
1995-05-25
1998-01-06
Han, Frances
Printed matter
Having revealable concealed information, fraud preventer or...
Utilizing electromagnetic radiation
283 91, 283901, 283902, 283 57, 283 58, B42D 1500
Patent
active
057046514
ABSTRACT:
An original document includes alphanumeric characters defined by an overprinted reflective layer formed on a complex patterned region, and having graphic or font size, shape and type coordinated to the particular patterns in the patterned region. The coordination of the overprinted reflective layer with the patterned region is such that if the document is electronically scanned or duplicated by xerographic photocopying, the pattern will at least partially obscure the alphanumeric characters so that they can only be read with difficulty, thereby camouflaging the text.
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Han Frances
Verify First Technologies, Inc.
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