Method and apparatus for use against counterfeiting

Details Method and apparatus for use against counterfeiting Method and apparatus for use against counterfeiting

1982-05-21

1984-07-31

Pellinen, A. D.

Registers

Systems controlled by data bearing records

Inventory

235383, 235375, A63B 7106

Patent

active

044632509

ABSTRACT:
A method for use in the detection of fake mass-produced articles that may be apparently identical to genuine articles involves marking genuine articles with a unique or restricted code mark generated by a secret algorithm, the gamut of such marks being underutilized so that attempts to generate seemingly genuine marks without knowledge of the algorithm will stand only a small chance of success. The marks can be scrutinized for genuineness--whether or not they conform to the algorithm--by a programmable hand held calculator or by a computer. Since one way to produce a seemingly genuine mark would be to copy genuine marks, the calculator or computer is also programmed to detect whether any particular mark has been read before.

REFERENCES:
patent: 4120452 (1978-10-01), Kimura et al.
patent: 4191376 (1980-03-01), Goldman et al.
patent: 4340810 (1982-07-01), Glass

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