SE384415B - Kryptografiskt kodat kort samt avkodare for detsamma - Google Patents
Kryptografiskt kodat kort samt avkodare for detsammaInfo
- Publication number
- SE384415B SE384415B SE7314106A SE7314106A SE384415B SE 384415 B SE384415 B SE 384415B SE 7314106 A SE7314106 A SE 7314106A SE 7314106 A SE7314106 A SE 7314106A SE 384415 B SE384415 B SE 384415B
- Authority
- SE
- Sweden
- Prior art keywords
- decoder
- same
- coded card
- cryptographically coded
- cryptographically
- Prior art date
Links
Classifications
-
- 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
- G06—COMPUTING; CALCULATING OR 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Security & Cryptography (AREA)
- Theoretical Computer Science (AREA)
- Optical Elements Other Than Lenses (AREA)
- Optical Communication System (AREA)
- Credit Cards Or The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00299294A US3814904A (en) | 1972-10-20 | 1972-10-20 | Cryptographically coded cards employing synthetic light modifying portion |
Publications (1)
Publication Number | Publication Date |
---|---|
SE384415B true SE384415B (sv) | 1976-05-03 |
Family
ID=23154176
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7314106A SE384415B (sv) | 1972-10-20 | 1973-10-17 | Kryptografiskt kodat kort samt avkodare for detsamma |
Country Status (10)
Country | Link |
---|---|
US (1) | US3814904A (sv) |
JP (2) | JPS4975025A (sv) |
CA (1) | CA1018566A (sv) |
CH (2) | CH581868A5 (sv) |
DE (1) | DE2352366A1 (sv) |
FR (1) | FR2204321A5 (sv) |
GB (1) | GB1452518A (sv) |
IT (1) | IT993981B (sv) |
NL (1) | NL7314125A (sv) |
SE (1) | SE384415B (sv) |
Families Citing this family (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3949191A (en) * | 1972-05-18 | 1976-04-06 | Optical Data Systems, Inc. | Data storage and retrieval system |
JPS5551233B2 (sv) * | 1973-03-26 | 1980-12-23 | ||
FR2271617B1 (sv) * | 1974-05-15 | 1976-10-15 | Thomson Brandt | |
CH574144A5 (sv) * | 1974-07-19 | 1976-03-31 | Landis & Gyr Ag | |
US4034211A (en) * | 1975-06-20 | 1977-07-05 | Ncr Corporation | System and method for providing a security check on a credit card |
US3995146A (en) * | 1975-08-11 | 1976-11-30 | Rca Corporation | Detection system for spatially-distributed set of radiation beams manifesting multibit binary code |
CH588358A5 (sv) * | 1975-08-14 | 1977-05-31 | Landis & Gyr Ag | |
US4023010A (en) * | 1975-09-08 | 1977-05-10 | Ncr Corporation | Optical identification system and reader for reading optical gratings on a record medium |
US4184700A (en) * | 1975-11-17 | 1980-01-22 | Lgz Landis & Gyr Zug Ag | Documents embossed with optical markings representing genuineness information |
CH594935A5 (sv) * | 1975-12-23 | 1978-01-31 | Landis & Gyr Ag | |
US4072098A (en) * | 1976-09-27 | 1978-02-07 | Ncr Corporation | Method and apparatus for embossing diffraction gratings on a record medium |
CH616253A5 (sv) * | 1977-06-21 | 1980-03-14 | Landis & Gyr Ag | |
US4224509A (en) * | 1978-10-19 | 1980-09-23 | Ncr Corporation | Holographic scanning system |
US4497860A (en) * | 1978-12-18 | 1985-02-05 | Minnesota Mining And Manufacturing Company | Imageable prismatic array |
DE3166630D1 (en) * | 1981-02-03 | 1984-11-15 | Landis & Gyr Ag | Method for preventing the sucessful forgery of documents and device therefor |
US4892385A (en) * | 1981-02-19 | 1990-01-09 | General Electric Company | Sheet-material authenticated item with reflective-diffractive authenticating device |
CH650732A5 (de) * | 1981-03-03 | 1985-08-15 | Orell Fuessli Graph Betr Ag | Ebene karte aus thermoplastischem kunststoff mit visuell wahrnehmbaren sicherheitszeichen und verfahren zu deren herstellung. |
US4433437A (en) * | 1981-05-12 | 1984-02-21 | Polaroid Corporation | Method and apparatus for verifying security labels |
US4506914A (en) * | 1981-11-17 | 1985-03-26 | The United States Of America As Represented By The United States Department Of Energy | Security seal |
EP0176538A1 (en) * | 1984-04-04 | 1986-04-09 | Frost, Barry John | Security system |
EP0219012B1 (de) * | 1985-10-15 | 1993-01-20 | GAO Gesellschaft für Automation und Organisation mbH | Datenträger mit einem optischen Echtheitsmerkmal sowie Verfahren zur Herstellung und Prüfung des Datenträgers |
US5010243A (en) * | 1986-10-15 | 1991-04-23 | Kyodo Printing Co., Ltd. | Method of producing an optical recording card having a hologram contained therein |
US4869946A (en) * | 1987-12-29 | 1989-09-26 | Nimslo Corporation | Tamperproof security card |
US5284591A (en) * | 1991-05-15 | 1994-02-08 | The Lubrizol Corporation | Functional fluid with borated epoxides, carboxylic solubilizers, zinc salts, calcium complexes and sulfurized compositions |
AU2587392A (en) * | 1991-11-05 | 1993-06-07 | Virtual Image Group, L.P. | Optical image encryption and decryption processes |
JPH08508834A (ja) * | 1993-04-06 | 1996-09-17 | コモンウェルス・サイエンティフィック・アンド・インダストリアル・リサーチ・オーガニゼイション | 光学データエレメント |
DE4313521C1 (de) * | 1993-04-24 | 1994-06-16 | Kurz Leonhard Fa | Dekorationsschichtaufbau und dessen Verwendung |
DK0718795T3 (da) * | 1994-12-22 | 2002-03-11 | Ovd Kinegram Ag | Optisk maskinlæsbar informationsbærer |
JPH11149454A (ja) * | 1997-09-10 | 1999-06-02 | Fujitsu Ltd | 認証装置、ユーザ認証方法、ユーザ認証用カード及び記憶媒体 |
JP2003506752A (ja) * | 1999-08-11 | 2003-02-18 | ラックオフ ディスプレイ コーポレイション | 可動回折光学素子による光信号の方向付け方法及びシステム |
GB2375419A (en) * | 2001-02-09 | 2002-11-13 | Enseal Systems Ltd | Document printed with graphical symbols which encode information |
US7159112B1 (en) * | 2003-08-26 | 2007-01-02 | Nvidia Corporation | Decryption of graphics data in a graphics processing pipeline |
WO2011086501A1 (en) * | 2010-01-15 | 2011-07-21 | Koninklijke Philips Electronics N.V. | Method and system for 2d detection of localized light contributions |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3254556A (en) * | 1961-05-29 | 1966-06-07 | Coleman Instr Corp | Composite optical prism unit |
US3173985A (en) * | 1961-06-22 | 1965-03-16 | Clifford A Wendel | Method of reflection for producing a pleasing image |
CH465269A (de) * | 1967-06-15 | 1968-11-15 | Emhart Zuerich Sa | Einrichtung zur optischen Prüfung von gläsernen Gegenständen auf Risse |
US3643216A (en) * | 1968-08-06 | 1972-02-15 | Rca Corp | Holographic identification system |
US3611292A (en) * | 1969-05-21 | 1971-10-05 | Texaco Inc | Credit card validation system |
US3627991A (en) * | 1970-02-24 | 1971-12-14 | North American Rockwell | Pattern reader |
US3686480A (en) * | 1971-04-01 | 1972-08-22 | William R Bowerman | Data processing card |
US3706874A (en) * | 1971-05-18 | 1972-12-19 | Amp Inc | Embossed card reader |
-
1972
- 1972-10-20 US US00299294A patent/US3814904A/en not_active Expired - Lifetime
-
1973
- 1973-10-02 IT IT29651/73A patent/IT993981B/it active
- 1973-10-10 GB GB4733873A patent/GB1452518A/en not_active Expired
- 1973-10-15 NL NL7314125A patent/NL7314125A/xx not_active Application Discontinuation
- 1973-10-17 SE SE7314106A patent/SE384415B/sv unknown
- 1973-10-18 CA CA183,682A patent/CA1018566A/en not_active Expired
- 1973-10-18 DE DE19732352366 patent/DE2352366A1/de active Pending
- 1973-10-19 JP JP48117678A patent/JPS4975025A/ja active Pending
- 1973-10-19 CH CH1483273A patent/CH581868A5/xx not_active IP Right Cessation
- 1973-10-19 FR FR7337449A patent/FR2204321A5/fr not_active Expired
- 1973-10-19 JP JP48117679A patent/JPS5250660B2/ja not_active Expired
- 1973-10-19 CH CH640175A patent/CH581356A5/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
NL7314125A (sv) | 1974-04-23 |
JPS4995536A (sv) | 1974-09-10 |
IT993981B (it) | 1975-09-30 |
DE2352366A1 (de) | 1974-05-09 |
JPS4975025A (sv) | 1974-07-19 |
CH581868A5 (sv) | 1976-11-15 |
AU6135673A (en) | 1975-04-17 |
JPS5250660B2 (sv) | 1977-12-26 |
FR2204321A5 (sv) | 1974-05-17 |
US3814904A (en) | 1974-06-04 |
GB1452518A (en) | 1976-10-13 |
CA1018566A (en) | 1977-10-04 |
CH581356A5 (sv) | 1976-10-29 |
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