JPH07168518A - ホログラム - Google Patents

ホログラム

Info

Publication number
JPH07168518A
JPH07168518A JP6207162A JP20716294A JPH07168518A JP H07168518 A JPH07168518 A JP H07168518A JP 6207162 A JP6207162 A JP 6207162A JP 20716294 A JP20716294 A JP 20716294A JP H07168518 A JPH07168518 A JP H07168518A
Authority
JP
Japan
Prior art keywords
image
hologram
illumination
recording layer
reference beam
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
Application number
JP6207162A
Other languages
English (en)
Japanese (ja)
Inventor
John E Wreede
ジョン・イー・リード
John E Gunther
ジョン・イー・ガンター
Michael J Virgadamo
マイケル・ジェイ・バーガダモ
Kevin Yu
ケビン・ユー
Lillian Yin
リリアン・イン
Jerry L Mulder
ジェリー・エル・マルダー
E Scott James
ジェームズ・イー・スコット
B Upper Richard
リチャード・ビー・アッパー
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Raytheon Co
Original Assignee
Hughes Aircraft Co
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 Hughes Aircraft Co filed Critical Hughes Aircraft Co
Publication of JPH07168518A publication Critical patent/JPH07168518A/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/04—Processes or apparatus for producing holograms
    • G03H1/0402—Recording geometries or arrangements
    • G03H1/0406—Image plane or focused image holograms, i.e. an image of the object or holobject is formed on, in or across the recording plane
    • 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
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/0005—Adaptation of holography to specific applications
    • G03H1/0011—Adaptation of holography to specific applications for security or authentication
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/04—Processes or apparatus for producing holograms
    • G03H1/0486—Improving or monitoring the quality of the record, e.g. by compensating distortions, aberrations
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/22—Processes or apparatus for obtaining an optical image from holograms
    • G03H1/24—Processes or apparatus for obtaining an optical image from holograms using white light, e.g. rainbow holograms
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/26—Processes or apparatus specially adapted to produce multiple sub- holograms or to obtain images from them, e.g. multicolour technique
    • G03H1/28—Processes or apparatus specially adapted to produce multiple sub- holograms or to obtain images from them, e.g. multicolour technique superimposed holograms only
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/06009—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with optically detectable marking
    • G06K19/06046—Constructional details
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/0005—Adaptation of holography to specific applications
    • G03H1/0011—Adaptation of holography to specific applications for security or authentication
    • G03H2001/0016—Covert holograms or holobjects requiring additional knowledge to be perceived, e.g. holobject reconstructed only under IR illumination
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/04—Processes or apparatus for producing holograms
    • G03H1/0402—Recording geometries or arrangements
    • G03H2001/0415—Recording geometries or arrangements for recording reflection holograms
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/04—Processes or apparatus for producing holograms
    • G03H1/0402—Recording geometries or arrangements
    • G03H2001/0428—Image holography, i.e. an image of the object or holobject is recorded
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/22—Processes or apparatus for obtaining an optical image from holograms
    • G03H1/2202—Reconstruction geometries or arrangements
    • G03H2001/2223—Particular relationship between light source, hologram and observer
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/22—Processes or apparatus for obtaining an optical image from holograms
    • G03H1/2202—Reconstruction geometries or arrangements
    • G03H2001/2223—Particular relationship between light source, hologram and observer
    • G03H2001/2231—Reflection reconstruction
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/22—Processes or apparatus for obtaining an optical image from holograms
    • G03H1/2249—Holobject properties
    • G03H2001/2252—Location of the holobject
    • G03H2001/2257—Straddling the hologram
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/22—Processes or apparatus for obtaining an optical image from holograms
    • G03H1/2249—Holobject properties
    • G03H2001/2252—Location of the holobject
    • G03H2001/226—Virtual or real
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/22—Processes or apparatus for obtaining an optical image from holograms
    • G03H1/2249—Holobject properties
    • G03H2001/2281—Particular depth of field
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/26—Processes or apparatus specially adapted to produce multiple sub- holograms or to obtain images from them, e.g. multicolour technique
    • G03H1/2645—Multiplexing processes, e.g. aperture, shift, or wavefront multiplexing
    • G03H2001/2665—Coherence multiplexing wherein different holobjects are perceived under coherent or incoherent illumination
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H2210/00—Object characteristics
    • G03H2210/20—2D object
    • G03H2210/22—2D SLM object wherein the object beam is formed of the light modulated by the SLM
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H2210/00—Object characteristics
    • G03H2210/50—Nature of the object
    • G03H2210/53—Coded object not directly interpretable, e.g. encrypted object, barcode
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H2210/00—Object characteristics
    • G03H2210/50—Nature of the object
    • G03H2210/56—Multiple objects, e.g. each in different environment
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H2222/00—Light sources or light beam properties
    • G03H2222/50—Geometrical property of the irradiating beam
    • G03H2222/56—Conjugated beam
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H2223/00—Optical components
    • G03H2223/14—Diffuser, e.g. lens array, random phase mask
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H2223/00—Optical components
    • G03H2223/18—Prism
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H2223/00—Optical components
    • G03H2223/25—Index matching material
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H2250/00—Laminate comprising a hologram layer
    • G03H2250/33—Absorbing layer

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Holo Graphy (AREA)
JP6207162A 1993-08-31 1994-08-31 ホログラム Pending JPH07168518A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/114,538 US5499116A (en) 1993-08-31 1993-08-31 Encoded hologram for producing a machine readable image and a human readable image
US114538 1993-08-31

Publications (1)

Publication Number Publication Date
JPH07168518A true JPH07168518A (ja) 1995-07-04

Family

ID=22355855

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6207162A Pending JPH07168518A (ja) 1993-08-31 1994-08-31 ホログラム

Country Status (6)

Country Link
US (1) US5499116A (show.php)
EP (1) EP0640891A1 (show.php)
JP (1) JPH07168518A (show.php)
KR (1) KR950006550A (show.php)
CA (1) CA2130310A1 (show.php)
TW (1) TW260762B (show.php)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019156249A1 (ja) * 2018-02-08 2019-08-15 凸版印刷株式会社 ホログラム、検出装置、およびホログラムの真正の検証方法

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7132200B1 (en) * 1992-11-27 2006-11-07 Dai Nippon Printing Co., Ltd. Hologram recording sheet, holographic optical element using said sheet, and its production process
US5886798A (en) * 1995-08-21 1999-03-23 Landis & Gyr Technology Innovation Ag Information carriers with diffraction structures
US7114750B1 (en) * 1995-11-29 2006-10-03 Graphic Security Systems Corporation Self-authenticating documents
JP4548680B2 (ja) * 1999-04-12 2010-09-22 大日本印刷株式会社 カラーホログラム表示体及びその作成方法
CA2324068A1 (en) * 1999-10-25 2001-04-25 Illinois Tool Works Inc. Secure holographic images on cardboard
US6414761B1 (en) * 2000-03-06 2002-07-02 Illinois Tool Works Inc. Secure holographic images on paper
US20020150022A1 (en) * 2001-04-12 2002-10-17 Tolmachev Yurii Alexandrovich Apparatus and method for 3-D storage of information and its retrieval
US20050157359A1 (en) * 2003-12-18 2005-07-21 Intrepid World Communication Corporation Color holographic optical element
US7576898B2 (en) * 2004-02-17 2009-08-18 E. I. Du Pont De Nemours And Company Method for using a deep image hologram as a security device and a deep image hologram
US7264169B2 (en) * 2004-08-02 2007-09-04 Idx, Inc. Coaligned bar codes and validation means
CA2669894A1 (en) * 2007-04-20 2008-10-30 International Business Machines Corporation Arranging and destaging data to holographic storage
DE102018132790A1 (de) * 2018-12-19 2020-06-25 HELLA GmbH & Co. KGaA Vorrichtung und Verfahren zur Herstellung eines Edgelithologramms, Edgelithologramm sowie Beleuchtungsvorrichtung für ein Fahrzeug
US20210263319A1 (en) * 2020-02-25 2021-08-26 Luminit Llc Head-mounted display with volume substrate-guided holographic continuous lens optics
WO2025093895A1 (en) * 2023-11-03 2025-05-08 Ams-Osram Ag Method of producing a holographic plate, apparatus and holographic plate

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4949650A (show.php) * 1972-09-09 1974-05-14
JPH02230284A (ja) * 1989-03-03 1990-09-12 Dainippon Printing Co Ltd リップマンホログラム及びその作成方法
JPH02259796A (ja) * 1988-12-16 1990-10-22 Hughes Aircraft Co 複数のホログラフィ素子を含むホログラフィデータ検索及び投映システム並びに該素子を具備する反射ホログラフィ情報記憶プレート及びホログラフィスクリーン文字プレート
JPH04179592A (ja) * 1990-11-14 1992-06-26 Toppan Printing Co Ltd ホログラム付きカード
JPH0535170A (ja) * 1991-07-25 1993-02-12 Nissan Motor Co Ltd ホログラム形成方法
JPH05127022A (ja) * 1991-03-29 1993-05-25 Aisin Seiki Co Ltd ヘツドアツプデイスプレイ用のホログラムの作製方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2546007B2 (de) * 1975-10-14 1977-12-29 Siemens AG, 1000 Berlin und 8000 München Faelschungssichere ausweiskarte und verfahren zu ihrer herstellung
DE2812841A1 (de) * 1978-03-23 1979-09-27 Siemens Ag Ausweis mit einem hologramm und verfahren zu seiner herstellung
DE2840556C2 (de) * 1978-09-18 1982-12-16 Günther Johann Ing.(grad.) 8058 Erding Dausmann Holographisch codierte Paßphotos und Berechtigungsnachweise
DE3025131A1 (de) * 1980-07-03 1982-01-28 Hoechst Ag, 6000 Frankfurt Verfahren zum herstellen eines mit mono- oder polychromatischem licht rekonstruierbaren hologramms
DE3327463A1 (de) * 1983-07-29 1985-02-14 Rubenberger, Karl, 8058 Erding Verfahren zur aufnahme und wiedergabe von hologrammen
US4880286A (en) * 1987-10-19 1989-11-14 University Of Delaware Making a holographic optical element using a computer-generated-hologram
US5145212A (en) * 1988-02-12 1992-09-08 American Banknote Holographics, Inc. Non-continuous holograms, methods of making them and articles incorporating them
DE3840037C2 (de) * 1988-11-24 1998-09-03 Matthiesen Miriam Informationsträger für Sicherheitszwecke und deren Verwendung sowie System zum Auslesen des Inhalts eines Informationsträgers
US5111312A (en) * 1989-07-18 1992-05-05 Stewart Bob W Coupling mechanism for efficient conversion of axisymmetric beam profiles into profiles suitable for diffraction-free transmission in free space
GB9019784D0 (en) * 1990-09-10 1990-10-24 Amblehurst Ltd Security device
JPH05188845A (ja) * 1992-01-10 1993-07-30 Dainippon Printing Co Ltd ホログラム

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4949650A (show.php) * 1972-09-09 1974-05-14
JPH02259796A (ja) * 1988-12-16 1990-10-22 Hughes Aircraft Co 複数のホログラフィ素子を含むホログラフィデータ検索及び投映システム並びに該素子を具備する反射ホログラフィ情報記憶プレート及びホログラフィスクリーン文字プレート
JPH02230284A (ja) * 1989-03-03 1990-09-12 Dainippon Printing Co Ltd リップマンホログラム及びその作成方法
JPH04179592A (ja) * 1990-11-14 1992-06-26 Toppan Printing Co Ltd ホログラム付きカード
JPH05127022A (ja) * 1991-03-29 1993-05-25 Aisin Seiki Co Ltd ヘツドアツプデイスプレイ用のホログラムの作製方法
JPH0535170A (ja) * 1991-07-25 1993-02-12 Nissan Motor Co Ltd ホログラム形成方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019156249A1 (ja) * 2018-02-08 2019-08-15 凸版印刷株式会社 ホログラム、検出装置、およびホログラムの真正の検証方法
JPWO2019156249A1 (ja) * 2018-02-08 2021-02-12 凸版印刷株式会社 ホログラム、検出装置、およびホログラムの真正の検証方法

Also Published As

Publication number Publication date
US5499116A (en) 1996-03-12
CA2130310A1 (en) 1995-03-01
TW260762B (show.php) 1995-10-21
KR950006550A (ko) 1995-03-21
EP0640891A1 (en) 1995-03-01

Similar Documents

Publication Publication Date Title
US4372639A (en) Directional diffusing screen
JPH07168518A (ja) ホログラム
US20040263929A1 (en) Holographic stereogram forming apparatus
JP2003504694A (ja) セキュアードドキュメント、これを製造するシステム及びこのドキュメントを読みとるシステム
US6728014B2 (en) Hologram recording film with additional information and recording method therefor
JPH06509186A (ja) ビューア
US6980338B2 (en) Image-reproducing apparatus and image-reproducing method
US7576898B2 (en) Method for using a deep image hologram as a security device and a deep image hologram
US4598973A (en) Apparatus and method for recording and displaying a three-dimensional image
Ando et al. Retinal projection display using holographic optical element
US20080049281A1 (en) Security hologram, method of recording same, and method of using same
CN108717254B (zh) 一种大视角全息图制作方法及显示系统
US20070019266A1 (en) Holographic stereogram creation device and its method
EP0699310B1 (fr) Procede pour realiser une image optiquement variable
JP2002208053A (ja) 有価証券等の光学パターン表示体、及び後で個性付与又は情報を記録することができる光学パターン表示体の製造方法
JPH09179058A (ja) ホログラフィック・コンバイナおよびそれを用いたヘッドアップディスプレイ
US20070103746A1 (en) Security hologram and associated methods of use and of making
JP4677683B2 (ja) 表示体およびそれからの情報再生方法
US4989929A (en) Process of making an achromatic hologram which is adapted to be reconstructed with white light
US20100290099A1 (en) Method and Apparatus for Creating and Displaying a Radially Multiplexed Hologram
JP2000132074A (ja) ホログラム及びホログラムを用いたスクリーン
JP2842015B2 (ja) 不可視型機械読取り用情報コード入りレインボウホログラムの作製方法
SU734603A1 (ru) Способ восстановлени пропускающих голограмм
Ganzherli et al. Holographic and speckle screens for projecting images
JP2803377B2 (ja) レインボー・ホログラムの作成方法