IL78049A0 - Optical reader for printed bitencoded data and method of reading same - Google Patents
Optical reader for printed bitencoded data and method of reading sameInfo
- Publication number
- IL78049A0 IL78049A0 IL78049A IL7804986A IL78049A0 IL 78049 A0 IL78049 A0 IL 78049A0 IL 78049 A IL78049 A IL 78049A IL 7804986 A IL7804986 A IL 7804986A IL 78049 A0 IL78049 A0 IL 78049A0
- Authority
- IL
- Israel
- Prior art keywords
- bitencoded
- printed
- data
- optical reader
- reading same
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 title 1
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
- G06K7/10554—Moving beam scanning
- G06K7/10594—Beam path
- G06K7/10603—Basic scanning using moving elements
- G06K7/10613—Basic scanning using moving elements by rotation, e.g. polygon
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
-
- 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
- G06K7/01—Details
- G06K7/015—Aligning or centering of the sensing device with respect to the record carrier
-
- 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
- G06K7/01—Details
- G06K7/016—Synchronisation of sensing process
- G06K7/0163—Synchronisation of sensing process by means of additional timing marks on the record-carrier
-
- 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
- G06K7/10554—Moving beam scanning
- G06K7/10594—Beam path
-
- 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
- G06K7/10712—Fixed beam scanning
- G06K7/10722—Photodetector array or CCD scanning
-
- 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
- G06K7/10792—Special measures in relation to the object to be scanned
- G06K7/10801—Multidistance reading
- G06K7/10811—Focalisation
-
- 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
- G06K7/14—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation using light without selection of wavelength, e.g. sensing reflected white light
-
- 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
- G11B7/002—Recording, reproducing or erasing systems characterised by the shape or form of the carrier
- G11B7/0033—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with cards or other card-like flat carriers, e.g. flat sheets of optical film
-
- 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
- G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
- G11B7/013—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track for discrete information, i.e. where each information unit is stored in a distinct discrete location, e.g. digital information formats within a data block or sector
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Theoretical Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Optics & Photonics (AREA)
- Facsimile Scanning Arrangements (AREA)
- Image Input (AREA)
- Optical Recording Or Reproduction (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/718,219 US4692603A (en) | 1985-04-01 | 1985-04-01 | Optical reader for printed bit-encoded data and method of reading same |
Publications (1)
Publication Number | Publication Date |
---|---|
IL78049A0 true IL78049A0 (en) | 1986-07-31 |
Family
ID=24885265
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IL78049A IL78049A0 (en) | 1985-04-01 | 1986-03-06 | Optical reader for printed bitencoded data and method of reading same |
Country Status (14)
Country | Link |
---|---|
US (1) | US4692603A (fr) |
EP (1) | EP0218634A4 (fr) |
JP (1) | JPS62502431A (fr) |
KR (1) | KR870700146A (fr) |
CN (1) | CN1008487B (fr) |
AU (1) | AU576722B2 (fr) |
BE (1) | BE905676A (fr) |
CA (1) | CA1252888A (fr) |
FI (1) | FI864910A (fr) |
IL (1) | IL78049A0 (fr) |
IN (1) | IN168021B (fr) |
SE (1) | SE8604764L (fr) |
WO (1) | WO1986005902A1 (fr) |
ZA (1) | ZA861762B (fr) |
Families Citing this family (64)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4931628A (en) * | 1985-11-18 | 1990-06-05 | Sony Corporation | Apparatus for reproducing optical card data without position indicators |
JPS62125567A (ja) * | 1985-11-26 | 1987-06-06 | Csk Corp | 光記録媒体の角度変位修正方法 |
US4910725A (en) * | 1986-04-23 | 1990-03-20 | Drexler Technology Corporation | Optical recording method for data cards |
US4886957A (en) * | 1986-05-15 | 1989-12-12 | Cauzin Systems, Incorporated | Card reader for receiving a card bearing an imprinted data strip, self positioning the card in a pre-determined position and scanning the imprinted data strip in two directions |
US4800256A (en) * | 1986-12-08 | 1989-01-24 | International Business Machines Corporation | Halographic scanner having adjustable sampling rate |
US5280160A (en) * | 1987-02-27 | 1994-01-18 | Canon Kabushiki Kaisha | Recording and reproducing method and apparatus compensating for predicted deviation based on detected relative skewing of recording medium |
US5179268A (en) * | 1987-07-22 | 1993-01-12 | Omron Tateisi Electronic Co. | Apparatus for detecting inclination of an optical card |
US4945214A (en) * | 1987-12-28 | 1990-07-31 | Eastman Kodak Company | Digital data apparatus with datastrip compression and expansion |
US4855579A (en) * | 1987-12-28 | 1989-08-08 | Eastman Kodak Company | System for guiding a user in orienting an application insert having a plurality of datastrips relative to a datastrip reader |
US4859841A (en) * | 1987-12-28 | 1989-08-22 | Eastman Kodak Company | Digital data apparatus including an application insert sensor |
US4939354A (en) * | 1988-05-05 | 1990-07-03 | Datacode International, Inc. | Dynamically variable machine readable binary code and method for reading and producing thereof |
JPH0634262B2 (ja) * | 1988-05-10 | 1994-05-02 | 株式会社ジェーエスケー | 光学読取コード及び情報伝達方法 |
GB8815490D0 (en) * | 1988-06-29 | 1988-08-03 | Key Strip Ltd | Swipe reader |
JP2737163B2 (ja) * | 1988-08-12 | 1998-04-08 | カシオ計算機株式会社 | 2進データ記録方法及び装置 |
US4949381A (en) * | 1988-09-19 | 1990-08-14 | Pitney Bowes Inc. | Electronic indicia in bit-mapped form |
US5216533A (en) * | 1989-10-31 | 1993-06-01 | Intermec Corporation | Motor motion detection circuit |
GB2241810A (en) * | 1990-03-09 | 1991-09-11 | Mars Inc | Data card reader |
US5083214A (en) * | 1990-05-02 | 1992-01-21 | Eastman Kodak Company | Apparatus and methods for extracting data from a scanned bit-mapped data strip |
US5170044A (en) * | 1990-11-09 | 1992-12-08 | Pitney Bowes Inc. | Error tolerant 3x3 bit-map coding of binary data and method of decoding |
US5355001A (en) * | 1990-11-28 | 1994-10-11 | Toppan Printing Co., Ltd. | Method for recording data, and printed body printed by the method, and data recording medium, and method for reading data from data recording the medium |
US5122990A (en) * | 1991-02-01 | 1992-06-16 | Rowe-Deines Instruments Incorporated | Bottom tracking system |
DE69428139T2 (de) * | 1993-12-27 | 2002-05-02 | Fujitsu Ltd., Kawasaki | Rahmenaufbau von einer Dokumenteneingabevorrichtung |
JPH0844816A (ja) * | 1994-07-27 | 1996-02-16 | Zeburatsuku:Kk | 回転式タッチスキャナ |
DE69533802T2 (de) * | 1994-09-14 | 2005-12-15 | X-Rite, Inc., Grandville | Abtastkolorimeter |
JP3629581B2 (ja) * | 1995-04-13 | 2005-03-16 | 株式会社キーエンス | バーコード読取装置 |
US5710636A (en) * | 1995-06-05 | 1998-01-20 | Xerox Corporation | Method and apparatus for generating halftone images having human readable patterns formed therein |
US5706099A (en) * | 1995-06-05 | 1998-01-06 | Xerox Corporation | Method and apparatus for generating serpentine halftone images |
US5862270A (en) * | 1995-12-08 | 1999-01-19 | Matsushita Electric Industrial Co., Ltd. | Clock free two-dimensional barcode and method for printing and reading the same |
US6097405A (en) * | 1996-09-30 | 2000-08-01 | Hewlett-Packard Company | Detection apparatus and method for use in a printing device |
US5862271A (en) * | 1996-12-20 | 1999-01-19 | Xerox Corporation | Parallel propagating embedded binary sequences for characterizing and parameterizing two dimensional image domain code patterns in N-dimensional address space |
US5870510A (en) * | 1996-12-20 | 1999-02-09 | Xerox Corporation | Parallel propagating embedded binary sequences for parameterizing two dimensional image domain code patterns in N-dimensional address space |
JPH10322519A (ja) * | 1997-05-16 | 1998-12-04 | Nikon Corp | 照明装置及び画像読取装置 |
US5818025A (en) * | 1997-08-13 | 1998-10-06 | Ncr Corporation | Selective pattern scanner |
US6266201B1 (en) | 1998-08-19 | 2001-07-24 | Tandberg Data Asa | Multiple channel rewrite system |
US6565003B1 (en) | 1998-12-16 | 2003-05-20 | Matsushita Electric Industrial Co., Ltd. | Method for locating and reading a two-dimensional barcode |
US6082619A (en) * | 1998-12-16 | 2000-07-04 | Matsushita Electric Industrial Co., Ltd. | Method for locating and reading a two-dimensional barcode |
US6371373B1 (en) | 1999-05-25 | 2002-04-16 | Matsushita Electric Industrial Co., Ltd. | Method for reading a two-dimensional barcode |
JP3659471B2 (ja) * | 1999-06-03 | 2005-06-15 | 富士通株式会社 | 印刷物作成方法ならびにそのための印刷物作成装置およびコンピュ−タ読み取り可能な記録媒体 |
US6628377B1 (en) * | 2000-04-04 | 2003-09-30 | Stmicroelectronics, Inc. | Scanning optical semiconductor fingerprint detector |
US20020016750A1 (en) * | 2000-06-20 | 2002-02-07 | Olivier Attia | System and method for scan-based input, storage and retrieval of information over an interactive communication network |
AU2002366245A1 (en) | 2001-12-17 | 2003-06-30 | International Barcode Corporation | Double-sided bar code doubling as a single bar code |
US7107009B2 (en) * | 2002-06-26 | 2006-09-12 | Nokia Corporation | Method, system and computer program product for personalizing the functionality of a personal communication device |
US20040010446A1 (en) * | 2002-07-08 | 2004-01-15 | Marko Vanska | Mobile customer relationship management |
GB0220158D0 (en) * | 2002-08-30 | 2002-10-09 | Renishaw Plc | Method of scanning |
US7274909B2 (en) * | 2002-10-31 | 2007-09-25 | Nokia Corporation | Method and system for selecting data items for service requests |
US7072672B1 (en) * | 2002-11-01 | 2006-07-04 | Nokia Corporation | Disposable mini-applications |
US20040093274A1 (en) * | 2002-11-08 | 2004-05-13 | Marko Vanska | Method and apparatus for making daily shopping easier |
US7648678B2 (en) | 2002-12-20 | 2010-01-19 | Dako Denmark A/S | Method and system for pretreatment of tissue slides |
US7156311B2 (en) * | 2003-07-16 | 2007-01-02 | Scanbuy, Inc. | System and method for decoding and analyzing barcodes using a mobile device |
SK10072003A3 (sk) * | 2003-08-08 | 2005-03-04 | Dušan Kočiš | Dátový kanál pozadia na papierovom alebo inom nosiči |
US7387250B2 (en) * | 2003-12-04 | 2008-06-17 | Scanbuy, Inc. | System and method for on the spot purchasing by scanning barcodes from screens with a mobile device |
US7407107B2 (en) * | 2003-12-08 | 2008-08-05 | Nokia Corporation | Apparatus, system, method and computer program product for creating shortcuts to functions in a personal communication device |
US7296747B2 (en) | 2004-04-20 | 2007-11-20 | Michael Rohs | Visual code system for camera-equipped mobile devices and applications thereof |
US7410750B2 (en) * | 2004-06-30 | 2008-08-12 | Xerox Corporation | Multicolored photochromic display |
US7304585B2 (en) * | 2004-07-02 | 2007-12-04 | Nokia Corporation | Initiation of actions with compressed action language representations |
US7309015B2 (en) * | 2004-07-14 | 2007-12-18 | Scanbuy, Inc. | Mobile device gateway providing access to instant information |
US7199883B1 (en) * | 2005-04-18 | 2007-04-03 | Union Switch & Signal, Inc. | System and method for sensing position of a vehicle |
US8016187B2 (en) * | 2006-02-21 | 2011-09-13 | Scanbury, Inc. | Mobile payment system using barcode capture |
US8789756B2 (en) * | 2006-02-25 | 2014-07-29 | Roche Diagnostics Operations, Inc. | Test element coding apparatuses, systems and methods |
EP1826705A1 (fr) | 2006-02-25 | 2007-08-29 | F.Hoffmann-La Roche Ag | Dispositif des éléments d'analyse à usage et système pour la lecture d'information |
US8150163B2 (en) | 2006-04-12 | 2012-04-03 | Scanbuy, Inc. | System and method for recovering image detail from multiple image frames in real-time |
US8511551B1 (en) | 2008-01-11 | 2013-08-20 | Terry B. Foster | Information card and method of accessing the same |
JP5922838B2 (ja) * | 2012-04-11 | 2016-05-24 | エーエスエムエル ネザーランズ ビー.ブイ. | リソグラフィ装置用の回転フレームおよび投影システム |
US10210367B1 (en) * | 2017-12-22 | 2019-02-19 | Datalogic Ip Tech S.R.L. | Optical assembly for scanning engine |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3211470A (en) * | 1963-07-02 | 1965-10-12 | Gift Stars Inc | Coded coupon |
FR2057325A5 (fr) * | 1969-08-12 | 1971-05-21 | Thomson Csf | |
US3660641A (en) * | 1969-10-30 | 1972-05-02 | Simcom Corp | Coded data storage medium |
US3634696A (en) * | 1970-03-09 | 1972-01-11 | Ernest Wildhaber | Radiation-sensitive optical scanning apparatus |
US3809894A (en) * | 1970-09-18 | 1974-05-07 | Creative Logic Corp | Optical scanner |
US3689744A (en) * | 1970-09-22 | 1972-09-05 | Ernest Wildhaber | Method and apparatus for scanning characters |
CH536523A (de) * | 1971-03-22 | 1973-04-30 | Zellweger Uster Ag | Lesevorrichtung für optisch erkennbare Zeichen |
CH537057A (de) * | 1971-03-22 | 1973-05-15 | Zellweger Uster Ag | Lesevorrichtung für optisch erkennbare Zeichen |
DE2136115A1 (de) * | 1971-07-20 | 1973-02-01 | Sick Erwin | Einrichtung zur zeilenweisen photoelektrischen abtastung von informationstraegern |
US3845279A (en) * | 1972-03-01 | 1974-10-29 | L Rosdorff | Notation system |
US3778129A (en) * | 1972-08-31 | 1973-12-11 | E Wildhaber | Optical scanner |
US3780271A (en) * | 1972-09-29 | 1973-12-18 | Sigma Systems | Error checking code and apparatus for an optical reader |
US3852573A (en) * | 1973-11-16 | 1974-12-03 | Scanner | Alignment correction for read scan raster fields |
US3886371A (en) * | 1973-12-03 | 1975-05-27 | Ball Computer Products Inc | Optical character reader scanning support mechanism |
US4263504A (en) * | 1979-08-01 | 1981-04-21 | Ncr Corporation | High density matrix code |
US4409469A (en) * | 1980-01-21 | 1983-10-11 | Sharp Kabushiki Kaisha | Optical bar code reader |
JPS58200214A (ja) * | 1982-05-19 | 1983-11-21 | Hitachi Ltd | 走査光学系 |
US4532616A (en) * | 1982-06-03 | 1985-07-30 | News Log International, Inc. | Method for optically encoding digital data on a substrate and the data record carrier formed thereby |
DE3300081C2 (de) * | 1983-01-04 | 1985-12-12 | F & O Electronic Systems GmbH & Co, 6901 Neckarsteinach | Verfahren zum Drucken und Prüfen des Druckbildes eines elektrisch angesteuerten Thermodruckers und Vorrichtung zur Durchführung des Verfahrens |
US4521678A (en) * | 1984-01-13 | 1985-06-04 | Databar Corporation | Battery-powered optical bar code reader and voltage regulator therefor |
-
1985
- 1985-04-01 US US06/718,219 patent/US4692603A/en not_active Expired - Fee Related
-
1986
- 1986-03-05 IN IN203/DEL/86A patent/IN168021B/en unknown
- 1986-03-06 IL IL78049A patent/IL78049A0/xx unknown
- 1986-03-10 ZA ZA861762A patent/ZA861762B/xx unknown
- 1986-03-17 CA CA000504249A patent/CA1252888A/fr not_active Expired
- 1986-03-19 WO PCT/US1986/000538 patent/WO1986005902A1/fr not_active Application Discontinuation
- 1986-03-19 JP JP61501773A patent/JPS62502431A/ja active Pending
- 1986-03-19 AU AU55869/86A patent/AU576722B2/en not_active Ceased
- 1986-03-19 EP EP19860902183 patent/EP0218634A4/fr not_active Withdrawn
- 1986-04-01 CN CN86103142A patent/CN1008487B/zh not_active Expired
- 1986-09-30 KR KR1019860700676A patent/KR870700146A/ko not_active Application Discontinuation
- 1986-10-29 BE BE0/217346A patent/BE905676A/fr not_active IP Right Cessation
- 1986-11-06 SE SE8604764A patent/SE8604764L/xx not_active Application Discontinuation
- 1986-12-01 FI FI864910A patent/FI864910A/fi not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
WO1986005902A1 (fr) | 1986-10-09 |
AU576722B2 (en) | 1988-09-01 |
EP0218634A4 (fr) | 1989-03-14 |
AU5586986A (en) | 1986-10-23 |
BE905676A (fr) | 1987-02-16 |
CA1252888A (fr) | 1989-04-18 |
FI864910A0 (fi) | 1986-12-01 |
SE8604764D0 (sv) | 1986-11-06 |
EP0218634A1 (fr) | 1987-04-22 |
US4692603A (en) | 1987-09-08 |
IN168021B (fr) | 1991-01-26 |
SE8604764L (sv) | 1986-11-06 |
FI864910A (fi) | 1986-12-01 |
JPS62502431A (ja) | 1987-09-17 |
CN86103142A (zh) | 1987-06-10 |
KR870700146A (ko) | 1987-03-14 |
ZA861762B (en) | 1986-10-29 |
CN1008487B (zh) | 1990-06-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ZA861762B (en) | Optical reader for printed bit-incoded data and method of reading same | |
US4905189B1 (en) | System for reading and writing information | |
KR910000065B1 (en) | Optical writing and reading method and its apparatus | |
EP0221545A3 (en) | Optical information reading apparatus | |
DE3373734D1 (en) | High-sensitive optical reading apparatus and method of reading optical information | |
EP0238067A3 (en) | Optical information reading apparatus | |
EP0184452A3 (en) | Optical information memory medium and methods and apparatus using such a medium | |
GB8612563D0 (en) | Read/write method | |
GB9003688D0 (en) | Method of forming data cards | |
EP0224313A3 (en) | Method for the optical recording of information and an optical recording element used in the method | |
GB2128798B (en) | Apparatus for optically reading and/or recording information | |
EP0256807A3 (en) | Optical recording card and method of reading the same | |
EP0357361A3 (en) | Ic card and method for writing information therein | |
EP0181005A3 (en) | Optical information apparatus and method of recording and erasing information | |
EP0221782A3 (en) | Optical information recording and reproducing apparatus | |
DE3665236D1 (en) | Optical information recording and reproducing apparatus | |
EP0246830A3 (en) | Optical information recording and reproducing apparatus | |
EP0278760A3 (en) | Optical card and apparatus for writing and/or reading data thereon | |
EP0284056A3 (en) | Method of optically recording information and apparatus therefor | |
GB2228821B (en) | Method of forming data cards | |
EP0186467A3 (en) | Optical data recording medium and method | |
GB8418759D0 (en) | Information recording and reading apparatus | |
EP0193388A3 (en) | Optical recording and information elements | |
GB8612144D0 (en) | Data recording method | |
GB2198546B (en) | Method of optically recording and reading information |