Scannable fraud preventing coupon

Details Scannable fraud preventing coupon Scannable fraud preventing coupon

1984-06-14

1989-11-14

Trafton, David L.

Registers

Coded record sensors

Particular sensor structure

235460, 235488, 235494, 283105, 283903, G06K 710

Patent

active

048809640

ABSTRACT:
A scannable fraud preventing coupon or the like, comprising a first panel having a plurality of parallel bars providing a coded scannable image on a first surface thereof; a second panel secured to said first panel and including a portion thereof overlying said image; said image being scannable through said first and second panels; a series of lines disposed on said at least a portion of said second panel altering said image whereby scanning of said image is disrupted is disclosed.

REFERENCES:
patent: 3580489 (1971-05-01), Oettinger
patent: 3900219 (1975-08-01), D'Amato et al.
patent: 4033611 (1977-07-01), Johnsen
patent: 4392053 (1983-07-01), Bockholt

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