GB201714212D0 - Diffractive optical element including two selectable images - Google Patents
Diffractive optical element including two selectable imagesInfo
- Publication number
- GB201714212D0 GB201714212D0 GBGB1714212.6A GB201714212A GB201714212D0 GB 201714212 D0 GB201714212 D0 GB 201714212D0 GB 201714212 A GB201714212 A GB 201714212A GB 201714212 D0 GB201714212 D0 GB 201714212D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- optical element
- diffractive optical
- element including
- selectable images
- selectable
- 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.)
- Pending
Links
Classifications
-
- 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
- B42D25/20—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose
- B42D25/29—Securities; Bank notes
-
- 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
- B42D25/30—Identification or security features, e.g. for preventing forgery
- B42D25/324—Reliefs
-
- 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
- B42D25/30—Identification or security features, e.g. for preventing forgery
- B42D25/328—Diffraction gratings; Holograms
-
- 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
- B42D25/30—Identification or security features, e.g. for preventing forgery
- B42D25/351—Translucent or partly translucent parts, e.g. windows
-
- 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
- B42D25/30—Identification or security features, e.g. for preventing forgery
- B42D25/36—Identification or security features, e.g. for preventing forgery comprising special materials
- B42D25/364—Liquid crystals
-
- 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
- B42D25/30—Identification or security features, e.g. for preventing forgery
- B42D25/36—Identification or security features, e.g. for preventing forgery comprising special materials
- B42D25/378—Special inks
- B42D25/391—Special inks absorbing or reflecting polarised light
-
- 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
- B42D25/40—Manufacture
- B42D25/405—Marking
- B42D25/425—Marking by deformation, e.g. embossing
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/18—Diffraction gratings
- G02B5/1814—Diffraction gratings structurally combined with one or more further optical elements, e.g. lenses, mirrors, prisms or other diffraction gratings
- G02B5/1819—Plural gratings positioned on the same surface, e.g. array of gratings
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/18—Diffraction gratings
- G02B5/1814—Diffraction gratings structurally combined with one or more further optical elements, e.g. lenses, mirrors, prisms or other diffraction gratings
- G02B5/1819—Plural gratings positioned on the same surface, e.g. array of gratings
- G02B5/1823—Plural gratings positioned on the same surface, e.g. array of gratings in an overlapping or superposed manner
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/18—Diffraction gratings
- G02B5/1833—Diffraction gratings comprising birefringent materials
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
- G07D7/00—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency
- G07D7/003—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency using security elements
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Finance (AREA)
- Business, Economics & Management (AREA)
- Crystallography & Structural Chemistry (AREA)
- Accounting & Taxation (AREA)
- Manufacturing & Machinery (AREA)
- Computer Security & Cryptography (AREA)
- Diffracting Gratings Or Hologram Optical Elements (AREA)
- Credit Cards Or The Like (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2015901119A AU2015901119A0 (en) | 2015-03-27 | Diffractive Optical Element Including Two Selectable Images | |
AU2015100392A AU2015100392B4 (en) | 2015-03-27 | 2015-03-27 | Diffractive Optical Element Including Two Selectable Images |
PCT/AU2016/050221 WO2016154668A1 (en) | 2015-03-27 | 2016-03-24 | Diffractive optical element including two selectable images |
Publications (2)
Publication Number | Publication Date |
---|---|
GB201714212D0 true GB201714212D0 (en) | 2017-10-18 |
GB2550821A GB2550821A (en) | 2017-11-29 |
Family
ID=57003729
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1714212.6A Pending GB2550821A (en) | 2015-03-27 | 2016-03-24 | Diffractive optical element including two selectable images |
Country Status (4)
Country | Link |
---|---|
AU (1) | AU2016240395A1 (en) |
GB (1) | GB2550821A (en) |
MX (1) | MX2017012382A (en) |
WO (1) | WO2016154668A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB201711097D0 (en) | 2017-07-10 | 2017-08-23 | Univ Court Univ St Andrews | Laser device |
CN112020550A (en) | 2018-05-23 | 2020-12-01 | 陶氏环球技术有限责任公司 | Waterless automatic tableware formulation |
CN111716938B (en) * | 2019-03-19 | 2021-04-27 | 中钞特种防伪科技有限公司 | Optical anti-counterfeiting element and optical anti-counterfeiting product |
FR3105088B1 (en) * | 2019-12-20 | 2021-12-24 | Oberthur Fiduciaire Sas | Optical structure with relief effect |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004018702B4 (en) * | 2004-04-17 | 2006-05-24 | Leonhard Kurz Gmbh & Co. Kg | Film with polymer layer |
EP3872557A1 (en) * | 2006-05-12 | 2021-09-01 | Crane & Co., Inc. | A micro-optic film structure that alone or together with a security document or label projects images spatially coordinated with static images and/or other projected images |
JP4983196B2 (en) * | 2006-10-19 | 2012-07-25 | 凸版印刷株式会社 | Security device, verification method thereof, and printed matter |
AU2012100572B4 (en) * | 2012-05-10 | 2013-05-09 | Securency International Pty Ltd | Optical security device producing different images in reflection and transmission |
MX359942B (en) * | 2013-02-19 | 2018-10-16 | Ccl Secure Pty Ltd | Security device with covert images. |
AU2014100511B4 (en) * | 2014-05-16 | 2015-05-28 | Ccl Secure Pty Ltd | Hybrid security device for security document or token |
-
2016
- 2016-03-24 WO PCT/AU2016/050221 patent/WO2016154668A1/en active Application Filing
- 2016-03-24 MX MX2017012382A patent/MX2017012382A/en unknown
- 2016-03-24 AU AU2016240395A patent/AU2016240395A1/en not_active Abandoned
- 2016-03-24 GB GB1714212.6A patent/GB2550821A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
WO2016154668A1 (en) | 2016-10-06 |
GB2550821A (en) | 2017-11-29 |
MX2017012382A (en) | 2017-12-14 |
AU2016240395A1 (en) | 2017-10-26 |
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