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.
Patent No.:
Date of Patent:
Jun. 29, 2021
Filed:
May. 17, 2016
Applicant:
Rolic Ag, Zug, CH;
Inventors:
Hubert Seiberle, Weil am Rhein, DE;
David Pires, Giebenach, CH;
Assignee:
ROLIC AG, Zug, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/00 (2006.01); B42D 25/30 (2014.01); G02B 5/30 (2006.01); B42D 25/364 (2014.01); G02B 5/32 (2006.01); B42D 25/391 (2014.01); B42D 25/29 (2014.01); G06K 19/06 (2006.01);
U.S. Cl.
CPC ...
G02B 5/3083 (2013.01); B42D 25/29 (2014.10); B42D 25/364 (2014.10); B42D 25/391 (2014.10); G02B 5/003 (2013.01); G02B 5/3016 (2013.01); G02B 5/3066 (2013.01); G02B 5/32 (2013.01); G06K 19/06046 (2013.01);
Abstract
The invention relates to an optical security system comprising an optical element with a patterned anisotropic optical property, wherein information is encoded and encrypted in the pattern of the optical element. The system further comprises a patterned polarizer in which the pattern is such that the information stored in the optical element can be decrypted.