Process of coding indicia and product produced thereby

Details Process of coding indicia and product produced thereby Process of coding indicia and product produced thereby

1974-06-03

1976-02-10

Corbin, John K.

350131, 350167, 354112, 354123, G02B 2700, G03B 3500

Patent

active

039375650

ABSTRACT:
A printed sheet of material has indicia thereon in scrambled or coded form produced by operation of an auto-stereoscopic camera using a lenticular screen. The indicia which appear inchoate to ordinary vision, can be decoded or unscrambled by viewing the same through a lenticular screen matched to that used in the scrambling process.

REFERENCES:
patent: 3178993 (1965-04-01), Ferris et al.
patent: 3524395 (1970-08-01), Alasia
patent: 3676000 (1972-07-01), Mayer et al.

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