Lenticular sheet

Details Lenticular sheet Lenticular sheet

1998-11-06

2000-09-26

Mack, Ricky

Optical: systems and elements

Single channel simultaneously to or from plural channels

By surface composed of lenticular elements

359619, G02B 2710

Patent

active

061249750

ABSTRACT:
A transparent sheet is provided on both sides with a lenticular array (4,). The embossments (7) of at least one of the arrays (6) has a cross-section showing at least two bends (11-14), thereby improving the visibility of the Moire pattern formed by the two arrays. The sheet may be used as an anti-counterfeit mark.

REFERENCES:
patent: 2951419 (1960-09-01), Lemelson
patent: 3353897 (1967-11-01), Lemelson
patent: 3357772 (1967-12-01), Rowland
patent: 3357773 (1967-12-01), Rowland
patent: 3421805 (1969-01-01), Rowland
patent: 5363240 (1994-11-01), Miyahsita
patent: 5629796 (1997-05-01), Shanks

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