The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Apr. 25, 2017

Filed:

Feb. 03, 2015
Applicant:

Orell Füssli Sicherheitsdruck Ag, Zürich, CH;

Inventor:

Martin Eichenberger, Zollikon, CH;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B42D 25/00 (2014.01); B42D 25/29 (2014.01); B42D 25/328 (2014.01); B42D 25/21 (2014.01); B42D 25/355 (2014.01); B42D 25/36 (2014.01); B42D 25/324 (2014.01); B42D 25/351 (2014.01); B42D 25/346 (2014.01); G02B 6/34 (2006.01);
U.S. Cl.
CPC ...
B42D 25/328 (2014.10); B42D 25/00 (2014.10); B42D 25/21 (2014.10); B42D 25/29 (2014.10); B42D 25/324 (2014.10); B42D 25/346 (2014.10); B42D 25/351 (2014.10); B42D 25/355 (2014.10); B42D 25/36 (2014.10); G02B 6/34 (2013.01);
Abstract

A security document comprises a substrate () and an optical waveguide (). Couplers () are provided in the waveguide () for coupling light into and out of the waveguide. The couplers () can e.g. by gratings, scattering objects, holograms, luminescent dyes or perforations. The authenticity of the document can be verified using methods based on the properties of the waveguide.


Find Patent Forward Citations

Eichenberger, Martin. (2017). Security system with optical waveguide (U.S. Patent No. 9630442). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9630442

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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