CZ2016479A3 - Opticky variabilní obrazové zařízení a způsob jeho přípravy - Google Patents

Opticky variabilní obrazové zařízení a způsob jeho přípravy

Info

Publication number
CZ2016479A3
CZ2016479A3 CZ2016-479A CZ2016479A CZ2016479A3 CZ 2016479 A3 CZ2016479 A3 CZ 2016479A3 CZ 2016479 A CZ2016479 A CZ 2016479A CZ 2016479 A3 CZ2016479 A3 CZ 2016479A3
Authority
CZ
Czechia
Prior art keywords
preparation
imaging device
optically variable
variable imaging
optically
Prior art date
Application number
CZ2016-479A
Other languages
English (en)
Other versions
CZ306956B6 (cs
Inventor
Miroslav Horáček
Vladimír Kolařík
Original Assignee
Ústav Přístrojové Techniky Av Čr, V. V. I.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ústav Přístrojové Techniky Av Čr, V. V. I. filed Critical Ústav Přístrojové Techniky Av Čr, V. V. I.
Priority to CZ2016-479A priority Critical patent/CZ2016479A3/cs
Priority to PCT/CZ2017/050034 priority patent/WO2018028724A1/en
Priority to EP17772297.2A priority patent/EP3497491B1/en
Publication of CZ306956B6 publication Critical patent/CZ306956B6/cs
Publication of CZ2016479A3 publication Critical patent/CZ2016479A3/cs

Links

Classifications

    • 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
    • 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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
    • G02B27/4233—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having a diffractive element [DOE] contributing to a non-imaging application
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/18—Diffraction gratings
    • G02B5/1861—Reflection gratings characterised by their structure, e.g. step profile, contours of substrate or grooves, pitch variations, materials
CZ2016-479A 2016-08-08 2016-08-08 Opticky variabilní obrazové zařízení a způsob jeho přípravy CZ2016479A3 (cs)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CZ2016-479A CZ2016479A3 (cs) 2016-08-08 2016-08-08 Opticky variabilní obrazové zařízení a způsob jeho přípravy
PCT/CZ2017/050034 WO2018028724A1 (en) 2016-08-08 2017-08-03 Otically variable image device and method of preparing the same
EP17772297.2A EP3497491B1 (en) 2016-08-08 2017-08-03 Method of preparing an optically variable image device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CZ2016-479A CZ2016479A3 (cs) 2016-08-08 2016-08-08 Opticky variabilní obrazové zařízení a způsob jeho přípravy

Publications (2)

Publication Number Publication Date
CZ306956B6 CZ306956B6 (cs) 2017-10-11
CZ2016479A3 true CZ2016479A3 (cs) 2017-10-11

Family

ID=59966537

Family Applications (1)

Application Number Title Priority Date Filing Date
CZ2016-479A CZ2016479A3 (cs) 2016-08-08 2016-08-08 Opticky variabilní obrazové zařízení a způsob jeho přípravy

Country Status (3)

Country Link
EP (1) EP3497491B1 (cs)
CZ (1) CZ2016479A3 (cs)
WO (1) WO2018028724A1 (cs)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220229213A1 (en) * 2019-05-31 2022-07-21 Sony Group Corporation Diffraction element and imaging device

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4696554A (en) * 1985-06-28 1987-09-29 James Seawright Method and apparatus for providing a variable multiple image visual effect
US5969864A (en) * 1997-09-25 1999-10-19 Raytheon Company Variable surface relief kinoform optical element
DE10348623A1 (de) * 2003-10-15 2005-05-25 Giesecke & Devrient Gmbh Optisch variable Beugungsstruktur und Verfahren zu ihrer Herstellung
CZ2004869A3 (cs) * 2004-08-06 2006-03-15 Optaglio S. R .O. Zpusob vytvorení trojrozmerného obrazu, difraktivní prvek a zpusob jeho vytvorení
DE102007009646A1 (de) * 2007-02-26 2008-08-28 Giesecke & Devrient Gmbh Gitterbild
EP2879883B1 (en) * 2012-07-31 2017-04-12 Api Optix S.R.O. Method for forming a diffractive optical element
WO2014124829A1 (de) * 2013-02-14 2014-08-21 Progenio Ag Gegenstand mit grafischen elementen, gesamtheit von gegenständen, verfahren zum herstellen und verfahren zum authentifizieren

Also Published As

Publication number Publication date
EP3497491B1 (en) 2023-09-13
CZ306956B6 (cs) 2017-10-11
EP3497491A1 (en) 2019-06-19
WO2018028724A1 (en) 2018-02-15
EP3497491C0 (en) 2023-09-13

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