CH622896A5 - - Google Patents
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- Publication number
- CH622896A5 CH622896A5 CH299578A CH299578A CH622896A5 CH 622896 A5 CH622896 A5 CH 622896A5 CH 299578 A CH299578 A CH 299578A CH 299578 A CH299578 A CH 299578A CH 622896 A5 CH622896 A5 CH 622896A5
- Authority
- CH
- Switzerland
- Prior art keywords
- light sensor
- reading
- document
- reading device
- light
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
- G06K7/10821—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices
- G06K7/10831—Arrangement of optical elements, e.g. lenses, mirrors, prisms
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S283/00—Printed matter
- Y10S283/904—Credit card
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Electromagnetism (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Diffracting Gratings Or Hologram Optical Elements (AREA)
- Character Input (AREA)
- Holo Graphy (AREA)
- Facsimile Scanning Arrangements (AREA)
Priority Applications (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH299578A CH622896A5 (da) | 1978-03-20 | 1978-03-20 | |
DE2814890A DE2814890C2 (de) | 1978-03-20 | 1978-04-06 | Optisches Lesegerät |
FR7835407A FR2420794B1 (fr) | 1978-03-20 | 1978-12-15 | Appareil de lecture optique |
US06/008,427 US4250393A (en) | 1978-03-20 | 1979-01-31 | Photoelectric apparatus for detecting altered markings |
JP54026844A JPS6046470B2 (ja) | 1978-03-20 | 1979-03-09 | 光学読取り装置 |
GB7908981A GB2016775B (en) | 1978-03-20 | 1979-03-14 | Optical reading apparatus for documents |
IT21053/79A IT1111936B (it) | 1978-03-20 | 1979-03-16 | Lettore ottico |
ES478763A ES478763A1 (es) | 1978-03-20 | 1979-03-17 | Un aparato lector optico para documentos que contienen una informacion en forma de marcaciones opticas. |
BE194107A BE874955A (fr) | 1978-03-20 | 1979-03-19 | Appareil de lecture optique |
SE7902465A SE436944B (sv) | 1978-03-20 | 1979-03-19 | Optisk lesanordning for dokument vilka innehaller information i form av optiska markeringar |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH299578A CH622896A5 (da) | 1978-03-20 | 1978-03-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH622896A5 true CH622896A5 (da) | 1981-04-30 |
Family
ID=4246279
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH299578A CH622896A5 (da) | 1978-03-20 | 1978-03-20 |
Country Status (10)
Country | Link |
---|---|
US (1) | US4250393A (da) |
JP (1) | JPS6046470B2 (da) |
BE (1) | BE874955A (da) |
CH (1) | CH622896A5 (da) |
DE (1) | DE2814890C2 (da) |
ES (1) | ES478763A1 (da) |
FR (1) | FR2420794B1 (da) |
GB (1) | GB2016775B (da) |
IT (1) | IT1111936B (da) |
SE (1) | SE436944B (da) |
Families Citing this family (75)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3036927A1 (de) * | 1980-09-30 | 1982-05-13 | Siemens Ag | System zur uebertragung von koordinaten aus gewaehlter punkte, insbesondere von bild- und/oder textvorlagen |
DE3166630D1 (en) * | 1981-02-03 | 1984-11-15 | Landis & Gyr Ag | Method for preventing the sucessful forgery of documents and device therefor |
US4433437A (en) * | 1981-05-12 | 1984-02-21 | Polaroid Corporation | Method and apparatus for verifying security labels |
US4659112A (en) * | 1984-12-03 | 1987-04-21 | Optical Devices, Incorporated | Identification system comprising a partially reflective retardation device |
ES2038119T3 (es) * | 1985-10-15 | 1993-07-16 | Gao Gesellschaft Fur Automation Und Organisation Mbh | Soporte de datos con caracteristica optica de autenticidad, asi como procedimiento para la fabricacion y comprobacion de dicho soporte de datos. |
DE3742485A1 (de) * | 1987-12-15 | 1989-06-29 | Sick Optik Elektronik Erwin | Optische abtastvorrichtung |
JPH0255360U (da) * | 1988-10-06 | 1990-04-20 | ||
JPH07113985B2 (ja) * | 1988-10-28 | 1995-12-06 | 株式会社日本コンラックス | 紙幣識別方法 |
GB9019784D0 (en) * | 1990-09-10 | 1990-10-24 | Amblehurst Ltd | Security device |
AU3232793A (en) * | 1991-12-19 | 1993-07-19 | Control Module Inc. | Secure optomagnetic identification |
JPH05188845A (ja) * | 1992-01-10 | 1993-07-30 | Dainippon Printing Co Ltd | ホログラム |
US6219015B1 (en) * | 1992-04-28 | 2001-04-17 | The Board Of Directors Of The Leland Stanford, Junior University | Method and apparatus for using an array of grating light valves to produce multicolor optical images |
US5841579A (en) * | 1995-06-07 | 1998-11-24 | Silicon Light Machines | Flat diffraction grating light valve |
US5798743A (en) * | 1995-06-07 | 1998-08-25 | Silicon Light Machines | Clear-behind matrix addressing for display systems |
US5661592A (en) * | 1995-06-07 | 1997-08-26 | Silicon Light Machines | Method of making and an apparatus for a flat diffraction grating light valve |
US5629801A (en) * | 1995-06-07 | 1997-05-13 | Silicon Light Machines | Diffraction grating light doubling collection system |
US6064404A (en) * | 1996-11-05 | 2000-05-16 | Silicon Light Machines | Bandwidth and frame buffer size reduction in a digital pulse-width-modulated display system |
US5982553A (en) * | 1997-03-20 | 1999-11-09 | Silicon Light Machines | Display device incorporating one-dimensional grating light-valve array |
US6088102A (en) * | 1997-10-31 | 2000-07-11 | Silicon Light Machines | Display apparatus including grating light-valve array and interferometric optical system |
US6271808B1 (en) | 1998-06-05 | 2001-08-07 | Silicon Light Machines | Stereo head mounted display using a single display device |
US6130770A (en) * | 1998-06-23 | 2000-10-10 | Silicon Light Machines | Electron gun activated grating light valve |
US6101036A (en) * | 1998-06-23 | 2000-08-08 | Silicon Light Machines | Embossed diffraction grating alone and in combination with changeable image display |
US6215579B1 (en) | 1998-06-24 | 2001-04-10 | Silicon Light Machines | Method and apparatus for modulating an incident light beam for forming a two-dimensional image |
US6303986B1 (en) * | 1998-07-29 | 2001-10-16 | Silicon Light Machines | Method of and apparatus for sealing an hermetic lid to a semiconductor die |
US6872984B1 (en) | 1998-07-29 | 2005-03-29 | Silicon Light Machines Corporation | Method of sealing a hermetic lid to a semiconductor die at an angle |
DE10002644A1 (de) * | 2000-01-21 | 2001-08-16 | Ovd Kinegram Ag Zug | Münze mit Beugungsstrukturen |
US6956878B1 (en) | 2000-02-07 | 2005-10-18 | Silicon Light Machines Corporation | Method and apparatus for reducing laser speckle using polarization averaging |
US6387723B1 (en) * | 2001-01-19 | 2002-05-14 | Silicon Light Machines | Reduced surface charging in silicon-based devices |
US7177081B2 (en) * | 2001-03-08 | 2007-02-13 | Silicon Light Machines Corporation | High contrast grating light valve type device |
US20030208753A1 (en) * | 2001-04-10 | 2003-11-06 | Silicon Light Machines | Method, system, and display apparatus for encrypted cinema |
US6707591B2 (en) * | 2001-04-10 | 2004-03-16 | Silicon Light Machines | Angled illumination for a single order light modulator based projection system |
US6865346B1 (en) | 2001-06-05 | 2005-03-08 | Silicon Light Machines Corporation | Fiber optic transceiver |
US6782205B2 (en) * | 2001-06-25 | 2004-08-24 | Silicon Light Machines | Method and apparatus for dynamic equalization in wavelength division multiplexing |
US6747781B2 (en) * | 2001-06-25 | 2004-06-08 | Silicon Light Machines, Inc. | Method, apparatus, and diffuser for reducing laser speckle |
US6646778B2 (en) * | 2001-08-01 | 2003-11-11 | Silicon Light Machines | Grating light valve with encapsulated dampening gas |
US6639722B2 (en) * | 2001-08-15 | 2003-10-28 | Silicon Light Machines | Stress tuned blazed grating light valve |
US6829092B2 (en) * | 2001-08-15 | 2004-12-07 | Silicon Light Machines, Inc. | Blazed grating light valve |
US6785001B2 (en) * | 2001-08-21 | 2004-08-31 | Silicon Light Machines, Inc. | Method and apparatus for measuring wavelength jitter of light signal |
US6930364B2 (en) | 2001-09-13 | 2005-08-16 | Silicon Light Machines Corporation | Microelectronic mechanical system and methods |
US6956995B1 (en) | 2001-11-09 | 2005-10-18 | Silicon Light Machines Corporation | Optical communication arrangement |
US6692129B2 (en) * | 2001-11-30 | 2004-02-17 | Silicon Light Machines | Display apparatus including RGB color combiner and 1D light valve relay including schlieren filter |
US6800238B1 (en) | 2002-01-15 | 2004-10-05 | Silicon Light Machines, Inc. | Method for domain patterning in low coercive field ferroelectrics |
US6767751B2 (en) | 2002-05-28 | 2004-07-27 | Silicon Light Machines, Inc. | Integrated driver process flow |
US6728023B1 (en) | 2002-05-28 | 2004-04-27 | Silicon Light Machines | Optical device arrays with optimized image resolution |
US6839479B2 (en) * | 2002-05-29 | 2005-01-04 | Silicon Light Machines Corporation | Optical switch |
US7054515B1 (en) | 2002-05-30 | 2006-05-30 | Silicon Light Machines Corporation | Diffractive light modulator-based dynamic equalizer with integrated spectral monitor |
US6822797B1 (en) | 2002-05-31 | 2004-11-23 | Silicon Light Machines, Inc. | Light modulator structure for producing high-contrast operation using zero-order light |
US6829258B1 (en) | 2002-06-26 | 2004-12-07 | Silicon Light Machines, Inc. | Rapidly tunable external cavity laser |
US6813059B2 (en) * | 2002-06-28 | 2004-11-02 | Silicon Light Machines, Inc. | Reduced formation of asperities in contact micro-structures |
US6908201B2 (en) * | 2002-06-28 | 2005-06-21 | Silicon Light Machines Corporation | Micro-support structures |
US6714337B1 (en) | 2002-06-28 | 2004-03-30 | Silicon Light Machines | Method and device for modulating a light beam and having an improved gamma response |
US6801354B1 (en) | 2002-08-20 | 2004-10-05 | Silicon Light Machines, Inc. | 2-D diffraction grating for substantially eliminating polarization dependent losses |
US7057795B2 (en) * | 2002-08-20 | 2006-06-06 | Silicon Light Machines Corporation | Micro-structures with individually addressable ribbon pairs |
US6712480B1 (en) | 2002-09-27 | 2004-03-30 | Silicon Light Machines | Controlled curvature of stressed micro-structures |
US6928207B1 (en) | 2002-12-12 | 2005-08-09 | Silicon Light Machines Corporation | Apparatus for selectively blocking WDM channels |
US7057819B1 (en) | 2002-12-17 | 2006-06-06 | Silicon Light Machines Corporation | High contrast tilting ribbon blazed grating |
US6987600B1 (en) | 2002-12-17 | 2006-01-17 | Silicon Light Machines Corporation | Arbitrary phase profile for better equalization in dynamic gain equalizer |
US6934070B1 (en) | 2002-12-18 | 2005-08-23 | Silicon Light Machines Corporation | Chirped optical MEM device |
US6927891B1 (en) | 2002-12-23 | 2005-08-09 | Silicon Light Machines Corporation | Tilt-able grating plane for improved crosstalk in 1×N blaze switches |
US7068372B1 (en) | 2003-01-28 | 2006-06-27 | Silicon Light Machines Corporation | MEMS interferometer-based reconfigurable optical add-and-drop multiplexor |
US7286764B1 (en) | 2003-02-03 | 2007-10-23 | Silicon Light Machines Corporation | Reconfigurable modulator-based optical add-and-drop multiplexer |
US6947613B1 (en) | 2003-02-11 | 2005-09-20 | Silicon Light Machines Corporation | Wavelength selective switch and equalizer |
US6922272B1 (en) | 2003-02-14 | 2005-07-26 | Silicon Light Machines Corporation | Method and apparatus for leveling thermal stress variations in multi-layer MEMS devices |
US7391973B1 (en) | 2003-02-28 | 2008-06-24 | Silicon Light Machines Corporation | Two-stage gain equalizer |
US6922273B1 (en) | 2003-02-28 | 2005-07-26 | Silicon Light Machines Corporation | PDL mitigation structure for diffractive MEMS and gratings |
US6806997B1 (en) | 2003-02-28 | 2004-10-19 | Silicon Light Machines, Inc. | Patterned diffractive light modulator ribbon for PDL reduction |
US7027202B1 (en) | 2003-02-28 | 2006-04-11 | Silicon Light Machines Corp | Silicon substrate as a light modulator sacrificial layer |
US7042611B1 (en) | 2003-03-03 | 2006-05-09 | Silicon Light Machines Corporation | Pre-deflected bias ribbons |
WO2007089770A2 (en) * | 2006-01-31 | 2007-08-09 | Polychromix Corporation | Hand-held ir spectrometer with a fixed grating and a diffractive mems-array |
CN101617354A (zh) | 2006-12-12 | 2009-12-30 | 埃文斯和萨瑟兰计算机公司 | 用于校准单个调制器投影仪中的rgb光的系统和方法 |
US8358317B2 (en) | 2008-05-23 | 2013-01-22 | Evans & Sutherland Computer Corporation | System and method for displaying a planar image on a curved surface |
US8702248B1 (en) | 2008-06-11 | 2014-04-22 | Evans & Sutherland Computer Corporation | Projection method for reducing interpixel gaps on a viewing surface |
US8077378B1 (en) | 2008-11-12 | 2011-12-13 | Evans & Sutherland Computer Corporation | Calibration system and method for light modulation device |
FR2979435B1 (fr) * | 2011-08-24 | 2016-11-11 | Hologram Ind | Composant optique de securite, fabrication d'un tel composant et produit securise equipe d'un tel composant |
US9641826B1 (en) | 2011-10-06 | 2017-05-02 | Evans & Sutherland Computer Corporation | System and method for displaying distant 3-D stereo on a dome surface |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3809478A (en) * | 1970-11-23 | 1974-05-07 | J Talbot | Analysis and representation of the size, shape and orientation characteristics of the components of a system |
US4011435A (en) * | 1974-02-01 | 1977-03-08 | Ncr Corporation | Optical indicia marking and detection system |
US3879131A (en) * | 1974-02-06 | 1975-04-22 | Bell Telephone Labor Inc | Photomask inspection by real time diffraction pattern analysis |
CH589897A5 (da) * | 1975-08-14 | 1977-07-29 | 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 |
US4030835A (en) * | 1976-05-28 | 1977-06-21 | Rca Corporation | Defect detection system |
-
1978
- 1978-03-20 CH CH299578A patent/CH622896A5/de not_active IP Right Cessation
- 1978-04-06 DE DE2814890A patent/DE2814890C2/de not_active Expired
- 1978-12-15 FR FR7835407A patent/FR2420794B1/fr not_active Expired
-
1979
- 1979-01-31 US US06/008,427 patent/US4250393A/en not_active Expired - Lifetime
- 1979-03-09 JP JP54026844A patent/JPS6046470B2/ja not_active Expired
- 1979-03-14 GB GB7908981A patent/GB2016775B/en not_active Expired
- 1979-03-16 IT IT21053/79A patent/IT1111936B/it active
- 1979-03-17 ES ES478763A patent/ES478763A1/es not_active Expired
- 1979-03-19 SE SE7902465A patent/SE436944B/sv unknown
- 1979-03-19 BE BE194107A patent/BE874955A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
SE7902465L (sv) | 1979-09-21 |
US4250393A (en) | 1981-02-10 |
JPS54128221A (en) | 1979-10-04 |
DE2814890C2 (de) | 1979-08-09 |
FR2420794B1 (fr) | 1985-11-29 |
IT7921053A0 (it) | 1979-03-16 |
DE2814890B1 (de) | 1978-12-07 |
GB2016775B (en) | 1982-03-17 |
IT1111936B (it) | 1986-01-13 |
FR2420794A1 (fr) | 1979-10-19 |
ES478763A1 (es) | 1979-05-16 |
SE436944B (sv) | 1985-01-28 |
JPS6046470B2 (ja) | 1985-10-16 |
BE874955A (fr) | 1979-07-16 |
GB2016775A (en) | 1979-09-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |