CH581356A5 - - Google Patents
Info
- Publication number
- CH581356A5 CH581356A5 CH640175A CH640175A CH581356A5 CH 581356 A5 CH581356 A5 CH 581356A5 CH 640175 A CH640175 A CH 640175A CH 640175 A CH640175 A CH 640175A CH 581356 A5 CH581356 A5 CH 581356A5
- Authority
- CH
- Switzerland
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)
- Credit Cards Or The Like (AREA)
- Optical Communication System (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 |
---|---|
CH581356A5 true CH581356A5 (xx) | 1976-10-29 |
Family
ID=23154176
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1483273A CH581868A5 (xx) | 1972-10-20 | 1973-10-19 | |
CH640175A CH581356A5 (xx) | 1972-10-20 | 1973-10-19 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1483273A CH581868A5 (xx) | 1972-10-20 | 1973-10-19 |
Country Status (10)
Country | Link |
---|---|
US (1) | US3814904A (xx) |
JP (2) | JPS5250660B2 (xx) |
CA (1) | CA1018566A (xx) |
CH (2) | CH581868A5 (xx) |
DE (1) | DE2352366A1 (xx) |
FR (1) | FR2204321A5 (xx) |
GB (1) | GB1452518A (xx) |
IT (1) | IT993981B (xx) |
NL (1) | NL7314125A (xx) |
SE (1) | SE384415B (xx) |
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 (xx) * | 1973-03-26 | 1980-12-23 | ||
FR2271617B1 (xx) * | 1974-05-15 | 1976-10-15 | Thomson Brandt | |
CH574144A5 (xx) * | 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 (xx) * | 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 (xx) * | 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 (xx) * | 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 |
DE3687560D1 (de) * | 1985-10-15 | 1993-03-04 | Gao Ges Automation Org | Datentraeger mit einem optischen echtheitsmerkmal sowie verfahren zur herstellung und pruefung des datentraegers. |
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 |
EP0611470B1 (en) * | 1991-11-05 | 1998-07-08 | Printpack, Inc. | Optical image encryption and decryption processes |
WO1994023395A1 (en) * | 1993-04-06 | 1994-10-13 | Commonwealth Scientific And Industrial Research Organisation | Optical data element |
DE4313521C1 (de) * | 1993-04-24 | 1994-06-16 | Kurz Leonhard Fa | Dekorationsschichtaufbau und dessen Verwendung |
ATE210868T1 (de) * | 1994-12-22 | 2001-12-15 | Ovd Kinegram Ag | Optisch maschinell lesbarer informationsträger |
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 |
MXPA02001391A (es) * | 1999-08-11 | 2004-07-16 | Luckoff Display Corp | Direccion de senales opticas mediante un elemento optico difrangente movible. |
EP1360637A1 (en) * | 2001-02-09 | 2003-11-12 | Enseal Systems Limited | 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 |
US8755561B2 (en) * | 2010-01-15 | 2014-06-17 | Koninklijke Philips 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/xx unknown
- 1973-10-18 DE DE19732352366 patent/DE2352366A1/de active Pending
- 1973-10-18 CA CA183,682A patent/CA1018566A/en not_active Expired
- 1973-10-19 JP JP48117679A patent/JPS5250660B2/ja not_active Expired
- 1973-10-19 FR FR7337449A patent/FR2204321A5/fr not_active Expired
- 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 CH CH640175A patent/CH581356A5/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
AU6135673A (en) | 1975-04-17 |
JPS5250660B2 (xx) | 1977-12-26 |
CA1018566A (en) | 1977-10-04 |
JPS4975025A (xx) | 1974-07-19 |
JPS4995536A (xx) | 1974-09-10 |
SE384415B (sv) | 1976-05-03 |
US3814904A (en) | 1974-06-04 |
CH581868A5 (xx) | 1976-11-15 |
NL7314125A (xx) | 1974-04-23 |
IT993981B (it) | 1975-09-30 |
FR2204321A5 (xx) | 1974-05-17 |
GB1452518A (en) | 1976-10-13 |
DE2352366A1 (de) | 1974-05-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased | ||
PL | Patent ceased |