CA1070996A - Holographic method of recording and reading secret information - Google Patents

Holographic method of recording and reading secret information

Info

Publication number
CA1070996A
CA1070996A CA262,402A CA262402A CA1070996A CA 1070996 A CA1070996 A CA 1070996A CA 262402 A CA262402 A CA 262402A CA 1070996 A CA1070996 A CA 1070996A
Authority
CA
Canada
Prior art keywords
hologram
light
plate
holographic
light reflected
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
Application number
CA262,402A
Other languages
English (en)
French (fr)
Inventor
Hans Bjelkhagen
Nils Abramson
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.)
ID-KORT AB
Original Assignee
ID-KORT AB
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 ID-KORT AB filed Critical ID-KORT AB
Application granted granted Critical
Publication of CA1070996A publication Critical patent/CA1070996A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C13/00—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
    • G11C13/04—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam
    • G11C13/042—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam using information stored in the form of interference pattern
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K1/00—Methods or arrangements for marking the record carrier in digital fashion
    • G06K1/12—Methods or arrangements for marking the record carrier in digital fashion otherwise than by punching
    • G06K1/126—Methods or arrangements for marking the record carrier in digital fashion otherwise than by punching by photographic or thermographic registration
    • 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
    • G06K19/08—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 using markings of different kinds or more than one marking of the same kind in the same record carrier, e.g. one marking being sensed by optical and the other by magnetic means
    • G06K19/10—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 using markings of different kinds or more than one marking of the same kind in the same record carrier, e.g. one marking being sensed by optical and the other by magnetic means at least one kind of marking being used for authentication, e.g. of credit or identity cards
    • G06K19/16—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 using markings of different kinds or more than one marking of the same kind in the same record carrier, e.g. one marking being sensed by optical and the other by magnetic means at least one kind of marking being used for authentication, e.g. of credit or identity cards the marking being a hologram or diffraction grating
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00—Payment architectures, schemes or protocols
    • G06Q20/30—Payment architectures, schemes or protocols characterised by the use of specific devices or networks
    • G06Q20/34—Payment architectures, schemes or protocols characterised by the use of specific devices or networks using cards, e.g. integrated circuit [IC] cards or magnetic cards
    • G06Q20/347—Passive cards
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07F—COIN-FREED OR LIKE APPARATUS
    • G07F7/00—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus
    • G07F7/08—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means
    • G07F7/0806—Details of the card
    • G07F7/0813—Specific details related to card security
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07F—COIN-FREED OR LIKE APPARATUS
    • G07F7/00—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus
    • G07F7/08—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means
    • G07F7/086—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means by passive credit-cards adapted therefor, e.g. constructive particularities to avoid counterfeiting, e.g. by inclusion of a physical or chemical security-layer
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07F—COIN-FREED OR LIKE APPARATUS
    • G07F7/00—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus
    • G07F7/08—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means
    • G07F7/12—Card verification
    • G07F7/125—Offline card verification
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/0065—Recording, reproducing or erasing by using optical interference patterns, e.g. 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
    • G03H2001/0016—Covert holograms or holobjects requiring additional knowledge to be perceived, e.g. holobject reconstructed only under IR illumination

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Business, Economics & Management (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Accounting & Taxation (AREA)
  • Strategic Management (AREA)
  • General Business, Economics & Management (AREA)
  • Holo Graphy (AREA)
  • Credit Cards Or The Like (AREA)
  • Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
CA262,402A 1975-10-01 1976-09-30 Holographic method of recording and reading secret information Expired CA1070996A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7511006A SE396824B (sv) 1975-10-01 1975-10-01 Forfarande for att astadkomma sekretessbelagd information

Publications (1)

Publication Number Publication Date
CA1070996A true CA1070996A (en) 1980-02-05

Family

ID=20325691

Family Applications (1)

Application Number Title Priority Date Filing Date
CA262,402A Expired CA1070996A (en) 1975-10-01 1976-09-30 Holographic method of recording and reading secret information

Country Status (8)

Country Link
US (1) US4120559A (enExample)
JP (1) JPS6037475B2 (enExample)
BR (1) BR7606559A (enExample)
CA (1) CA1070996A (enExample)
DE (1) DE2643803C2 (enExample)
FR (1) FR2326728A1 (enExample)
GB (1) GB1507236A (enExample)
SE (1) SE396824B (enExample)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2117133A (en) * 1982-03-18 1983-10-05 Jeffrey Blyth Holographic identification and/or security device
US4532508A (en) * 1983-04-01 1985-07-30 Siemens Corporate Research & Support, Inc. Personal authentication system
DE3442794A1 (de) * 1983-11-24 1985-08-01 Karl 8058 Erding Rubenberger Verfahren zur herstellung faelschungssicherer kennzeichen mit holografisch codierten informationen
JPS61156003A (ja) * 1984-12-27 1986-07-15 Sharp Corp 回折格子の製造方法
CN85100700A (zh) * 1985-04-01 1987-01-31 陆伯祥 计算机莫尔条纹证件及其识别系统
JPH05224579A (ja) * 1991-11-08 1993-09-03 Shoei Insatsu Kk 正当性認識方法およびそれに使用するシールおよび認識装置
JPH05188845A (ja) * 1992-01-10 1993-07-30 Dainippon Printing Co Ltd ホログラム
US5331443A (en) * 1992-07-31 1994-07-19 Crown Roll Leaf, Inc. Laser engraved verification hologram and associated methods
US5793871A (en) * 1996-11-26 1998-08-11 California Institute Of Technology Optical encryption interface
RU2113357C1 (ru) * 1997-02-06 1998-06-20 Андрей Николаевич Ячиков Способ создания рельефно-фазовой голографической защитной метки
US20070013983A1 (en) * 2005-07-04 2007-01-18 Dai Nippon Printing Co., Ltd. Holographic viewing device, and holographic viewing card incorporating it
DE102007012714B4 (de) * 2006-03-27 2021-03-18 Giesecke+Devrient Currency Technology Gmbh Sicherheitselement und Verfahren zu seiner Herstellung
US8284234B2 (en) 2009-03-20 2012-10-09 Absolute Imaging LLC Endoscopic imaging using reflection holographic optical element for autostereoscopic 3-D viewing
US9779227B1 (en) * 2014-10-24 2017-10-03 Amazon Technologies, Inc. Security system using keys encoded in holograms

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3566137A (en) * 1967-11-28 1971-02-23 Gen Electric Holographic character reader
US3620590A (en) * 1969-05-27 1971-11-16 Applied Laser Technology Inc Holographic method and apparatus for information storage and retrieval
US3644014A (en) * 1969-10-23 1972-02-22 Research Corp Image-recording method and device
US3934461A (en) * 1970-04-17 1976-01-27 Trw Inc. Multiple exposure holographic interferometer method
US3924924A (en) * 1970-12-09 1975-12-09 Hitachi Ltd Holographic memory utilizing a changeable phase object and coherent subtraction
US3761155A (en) * 1971-12-27 1973-09-25 Sperry Rand Corp Faraday effect page composer for holographic memory system
US3798620A (en) * 1972-12-07 1974-03-19 Rca Corp Page composer translating information from electrical to optical form
US3802758A (en) * 1973-05-21 1974-04-09 Us Air Force Dual hologram plate holder
FR2245005B1 (enExample) * 1973-09-21 1978-01-13 Thomson Csf
GB1454340A (en) * 1974-12-11 1976-11-03 Univ Strathclyde Method of deformation measurement

Also Published As

Publication number Publication date
JPS6037475B2 (ja) 1985-08-26
FR2326728B1 (enExample) 1982-10-01
DE2643803A1 (de) 1977-04-14
FR2326728A1 (fr) 1977-04-29
JPS5245849A (en) 1977-04-11
US4120559A (en) 1978-10-17
GB1507236A (en) 1978-04-12
SE396824B (sv) 1977-10-03
BR7606559A (pt) 1977-05-24
SE7511006L (sv) 1977-04-02
DE2643803C2 (de) 1987-01-08

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Legal Events

Date Code Title Description
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