Invention Application
- Patent Title: ENCRYPTED OPTICAL SECURITY DEVICE
- Patent Title (中): 加密的光学安全设备
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Application No.: PCT/EP2016/060969Application Date: 2016-05-17
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Publication No.: WO2016188791A1Publication Date: 2016-12-01
- Inventor: SEIBERLE, Hubert , PIRES, David
- Applicant: ROLIC AG
- Applicant Address: Chamerstrasse 50 6300 Zug CH
- Assignee: ROLIC AG
- Current Assignee: ROLIC AG
- Current Assignee Address: Chamerstrasse 50 6300 Zug CH
- Agency: VEENSTRA, Eva
- Priority: EP15168803.3 20150522; EP15176762.1 20150715
- Main IPC: G02B5/30
- IPC: G02B5/30 ; G02B5/32 ; B42D25/29 ; B42D25/351
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.
Information query
