Product verification device

Details Product verification device Product verification device

G - Physics

03

B

88/66

G03B 25/02 (2006.01) G09F 3/00 (2006.01) G09F 19/00 (2006.01)

Patent

CA 1181271

VERIFICATION DEVICE A verification device is disclosed comprising a transparent sheet including parallel rows of lenticules and rows of colored lines in registration therewith. Verification is accomplished by observing optical effects presented by patterns of irregularly positioned rows of lenticules and corresponding colored lines viewed against a surrounding background area of regularly positioned rows of lenticules and corresponding colored lines.

402622

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