Printed matter and method for printing the same

Details Printed matter and method for printing the same Printed matter and method for printing the same

1993-06-02

1995-08-22

Fridie, Willmon

Printed matter

Having revealable concealed information, fraud preventer or...

Utilizing electromagnetic radiation

B42D 1500

Patent

active

054435790

ABSTRACT:
By combining raised image lines having a color the same or similar to that of a substrate to be printed, and lines having a color different from that of the raised image lines, there is provided a latent image printed matter which can be prevented from being counterfeited and falsified and with which false and true can be easily distinguished. By printing lines having a different color from that of the raised image lines, there can be provided a printed matter in which letters, figures, etc. can be visually recognized only when viewed in a particular direction.

REFERENCES:
patent: 4184700 (1980-01-01), Greenaway
patent: 4501439 (1985-02-01), Antes
patent: 4504083 (1985-03-01), Devrient et al.
patent: 4932685 (1990-06-01), Mancuso
patent: 4988126 (1991-01-01), Heckenkamp et al.
patent: 5074597 (1991-12-01), Mancuso et al.

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