CA2543790C - Structure d'image a protection contre le brouillage - Google Patents
Structure d'image a protection contre le brouillage Download PDFInfo
- Publication number
- CA2543790C CA2543790C CA2543790A CA2543790A CA2543790C CA 2543790 C CA2543790 C CA 2543790C CA 2543790 A CA2543790 A CA 2543790A CA 2543790 A CA2543790 A CA 2543790A CA 2543790 C CA2543790 C CA 2543790C
- Authority
- CA
- Canada
- Prior art keywords
- filter
- metameric
- layers
- angle
- observation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
- G02B5/28—Interference filters
- G02B5/285—Interference filters comprising deposited thin solid films
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
- G02B5/28—Interference filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
-
- B42D2035/24—
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Filters (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA2543790A CA2543790C (fr) | 2006-04-24 | 2006-04-24 | Structure d'image a protection contre le brouillage |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA2543790A CA2543790C (fr) | 2006-04-24 | 2006-04-24 | Structure d'image a protection contre le brouillage |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2543790A1 CA2543790A1 (fr) | 2007-10-24 |
CA2543790C true CA2543790C (fr) | 2014-03-04 |
Family
ID=38621067
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA2543790A Expired - Fee Related CA2543790C (fr) | 2006-04-24 | 2006-04-24 | Structure d'image a protection contre le brouillage |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA2543790C (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3640040A1 (fr) | 2018-10-19 | 2020-04-22 | Surys | Film de sécurité et procédé de fabrication d'un film de sécurité |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2576234B1 (fr) * | 2010-06-04 | 2015-08-26 | Polyvalor, Limited Partnership | Dispositifs de sécurité métamériques employant une matière active |
-
2006
- 2006-04-24 CA CA2543790A patent/CA2543790C/fr not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3640040A1 (fr) | 2018-10-19 | 2020-04-22 | Surys | Film de sécurité et procédé de fabrication d'un film de sécurité |
FR3087385A1 (fr) | 2018-10-19 | 2020-04-24 | Surys | Film de securite et document securise au moyen d'un film de securite |
Also Published As
Publication number | Publication date |
---|---|
CA2543790A1 (fr) | 2007-10-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |
Effective date: 20210426 |