Patent · US Active

Encrypted optical security device

US11048033B2 · kind B2 · utility

0Cited by

1References

15Claims

0Family size

Assignee

ROLIC AG · CH

Inventors

Hubert Seiberle · Lörrach, DE
David Pires · North Vancouver, CA

Key dates

Filing date	May 17, 2016
Grant date	Jun 29, 2021
Priority date	—
Expiry date	May 26, 2037

Classification

Technology area (CPC G)Physics
CPC primaryG06K19/06046
WIPO fieldOptics
WIPO sectorInstruments

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.