Method and device for verifying diffractive elements

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United States of America Patent

PATENT NO 9817367
APP PUB NO 20160378061A1
SERIAL NO

14903460

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Abstract

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The invention relates to a method for authenticating a diffractive element, e.g., a hologram, on an object or document (2), wherein at least two images of the diffractive element are recorded by means of a portable device (1). The recordings are taken in different spatial orientations of the portable device in relation to the diffractive element. Recording data are created from the images and the associated spatial orientations. The recording data are electronically compared with reference data. The comparison can be performed locally or in a server-based manner.

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Patent Owner(s)

  • U-NICA TECHNOLOGY AG

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Reinhardt, Jonas Bad Ragaz, CH 14 23

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