Security feature

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United States of America Patent

PATENT NO 10479128
APP PUB NO 20190126661A1
SERIAL NO

15796498

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Abstract

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A security document with unidirectional visual illumination is disclosed. A security feature is positioned within the document and not visible in normal ambient lighting conditions but becomes visible under specialized lighting conditions, for example in the presence of ultraviolet light. The security feature is constructible such that it is visible only from a single side of the security document, with the side being predeterminable regardless of the orientation of the specialized light.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
HID GLOBAL CID SAS31-33 RUE DE VERDUN 92150 SURESNES CEDEX 92150

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Erickson, Brett Barton San Jose, US 4 8

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