CA2079566A1 - Tete magnetoresistive pour la lecture de caracteres a l'encre magnetique - Google Patents
Tete magnetoresistive pour la lecture de caracteres a l'encre magnetiqueInfo
- Publication number
- CA2079566A1 CA2079566A1 CA2079566A CA2079566A CA2079566A1 CA 2079566 A1 CA2079566 A1 CA 2079566A1 CA 2079566 A CA2079566 A CA 2079566A CA 2079566 A CA2079566 A CA 2079566A CA 2079566 A1 CA2079566 A1 CA 2079566A1
- Authority
- CA
- Canada
- Prior art keywords
- magnetoresistive
- magnetic ink
- magnetoresistive head
- reading magnetic
- ink characters
- 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.)
- Granted
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
- G06K7/08—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes
- G06K7/082—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes using inductive or magnetic sensors
- G06K7/087—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes using inductive or magnetic sensors flux-sensitive, e.g. magnetic, detectors
Landscapes
- Engineering & Computer Science (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Character Input (AREA)
- Magnetic Heads (AREA)
- Character Discrimination (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/769,909 | 1991-10-01 | ||
US07/769,909 US5266786A (en) | 1991-10-01 | 1991-10-01 | Magnetoresistive head for reading magnetic ink characters |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2079566A1 true CA2079566A1 (fr) | 1993-04-02 |
CA2079566C CA2079566C (fr) | 1998-04-21 |
Family
ID=25086869
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002079566A Expired - Fee Related CA2079566C (fr) | 1991-10-01 | 1992-09-30 | Tete magnetoresistive pour la lecture de caracteres a l'encre magnetique |
Country Status (5)
Country | Link |
---|---|
US (1) | US5266786A (fr) |
EP (1) | EP0535936B1 (fr) |
JP (1) | JP3377539B2 (fr) |
CA (1) | CA2079566C (fr) |
DE (1) | DE69223721T2 (fr) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3983312B2 (ja) * | 1995-01-12 | 2007-09-26 | ゼロックス コーポレイション | プリンタのセキュリティモジュール |
US5613783A (en) * | 1995-03-27 | 1997-03-25 | International Business Machines Corporation | Point of sale printer with magnetic reader |
US5650606A (en) * | 1995-08-07 | 1997-07-22 | Magnetic Products International, Corp | Accurate read/write head for preventing credit card alteration and counterfeiting of debit cards |
US5729621A (en) * | 1995-08-31 | 1998-03-17 | Ncr Corporation | Method and apparatus for magnetic ink character recognition using a magneto-resistive read head |
US5701222A (en) * | 1995-09-11 | 1997-12-23 | International Business Machines Corporation | Spin valve sensor with antiparallel magnetization of pinned layers |
JPH09167308A (ja) * | 1995-12-19 | 1997-06-24 | Canon Electron Inc | 磁気再生方法、磁気検出素子、磁気検出装置、及び磁気記録媒体 |
FR2742898B1 (fr) * | 1995-12-22 | 1998-03-06 | Tenenbaum Jean | Dispositif de lecture de caracteres magnetisables |
US6473519B1 (en) | 1996-02-21 | 2002-10-29 | Hand Held Products, Inc. | Check reader |
FR2757986A1 (fr) * | 1996-12-31 | 1998-07-03 | Philips Electronics Nv | Systeme de lecture d'informations magnetiques integre |
DE19800805B4 (de) * | 1998-01-12 | 2006-12-14 | Siemens Ag | Verfahren und Sensoranordnung zur Generierung eines Referenzsignals |
JP4617537B2 (ja) * | 2000-06-06 | 2011-01-26 | セイコーエプソン株式会社 | 磁気パターンの認識方法、情報記録媒体、磁気パターン認識装置及び複合処理装置 |
US7762380B2 (en) * | 2006-03-09 | 2010-07-27 | Cummins-Allison Corp. | Currency discrimination system and method |
DE102011110138A1 (de) | 2011-08-15 | 2013-02-21 | Meas Deutschland Gmbh | Messvorrichtung zum Messen magnetischer Eigenschaften der Umgebung der Messvorrichtung |
JP2016189055A (ja) * | 2015-03-30 | 2016-11-04 | 日本電産サンキョー株式会社 | カードリーダ |
US20200108649A1 (en) * | 2018-10-09 | 2020-04-09 | Toshiba Tec Kabushiki Kaisha | Reading apparatus, printer, and information processing method |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3796859A (en) * | 1971-12-27 | 1974-03-12 | Ibm | Magnetic ink recording system to both magnetize and read ink |
US3813692A (en) * | 1972-10-11 | 1974-05-28 | Ibm | Internally biased magnetoresistive magnetic transducer |
US3814863A (en) * | 1972-10-11 | 1974-06-04 | Ibm | Internally biased magnetoresistive magnetic transducer |
US3840898A (en) * | 1972-12-29 | 1974-10-08 | Ibm | Self-biased magnetoresistive sensor |
US3860965A (en) * | 1973-10-04 | 1975-01-14 | Ibm | Magnetoresistive read head assembly having matched elements for common mode rejection |
US3921218A (en) * | 1973-12-26 | 1975-11-18 | Honeywell Inf Systems | Thin film magnetoresistive transducers with rotated magnetic easy axis |
FR2389180A1 (fr) * | 1977-04-29 | 1978-11-24 | Cii Honeywell Bull | Dispositif de transduction magnetique de detection d'informations magnetiques codees et procede de fabrication dudit dispositif |
FR2390778A1 (fr) * | 1977-05-13 | 1978-12-08 | Cii Honeywell Bull | Dispositif de lecture d'informations magnetiques |
FR2402252A1 (fr) * | 1977-08-30 | 1979-03-30 | Cii Honeywell Bull | Dispositif de lecture de caracteres imprimes |
US4703378A (en) * | 1984-03-01 | 1987-10-27 | Sony Corporation | Magnetic transducer head utilizing magnetoresistance effect |
US4623867A (en) * | 1984-08-13 | 1986-11-18 | Ampex Corporation | Permanent magnet biased narrow track magnetoresistive transducer |
JPS61214205A (ja) * | 1985-03-20 | 1986-09-24 | Sony Corp | ヨ−ク型磁気抵抗効果型磁気ヘツド |
JPS6234316A (ja) * | 1985-08-07 | 1987-02-14 | Victor Co Of Japan Ltd | 磁気抵抗効果素子を用いた磁気ヘツド、及びその製作法 |
JPS62184616A (ja) * | 1986-02-10 | 1987-08-13 | Hitachi Ltd | 磁気抵抗効果型磁気ヘツド |
US4928188A (en) * | 1988-07-05 | 1990-05-22 | Eastman Kodak Company | Magnetoresistive element sandwiched between a sal ferrite substrateand a cover containing an easy axis biasing magnet |
US4903158A (en) * | 1988-07-28 | 1990-02-20 | Eastman Kodak Company | MR head with complementary easy axis permanent magnet |
US4899240A (en) * | 1988-07-28 | 1990-02-06 | Eastman Kodak Company | Biasing for a UMR head |
US5084794A (en) * | 1990-03-29 | 1992-01-28 | Eastman Kodak Company | Shorted dual element magnetoresistive reproduce head exhibiting high density signal amplification |
US5155643A (en) * | 1990-10-30 | 1992-10-13 | Mars Incorporated | Unshielded horizontal magnetoresistive head and method of fabricating same |
-
1991
- 1991-10-01 US US07/769,909 patent/US5266786A/en not_active Expired - Fee Related
-
1992
- 1992-09-30 DE DE69223721T patent/DE69223721T2/de not_active Expired - Fee Related
- 1992-09-30 EP EP92308920A patent/EP0535936B1/fr not_active Expired - Lifetime
- 1992-09-30 JP JP28345992A patent/JP3377539B2/ja not_active Expired - Fee Related
- 1992-09-30 CA CA002079566A patent/CA2079566C/fr not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0535936A3 (fr) | 1994-10-12 |
US5266786A (en) | 1993-11-30 |
DE69223721D1 (de) | 1998-02-05 |
EP0535936A2 (fr) | 1993-04-07 |
DE69223721T2 (de) | 1998-07-30 |
JPH05314313A (ja) | 1993-11-26 |
EP0535936B1 (fr) | 1997-12-29 |
CA2079566C (fr) | 1998-04-21 |
JP3377539B2 (ja) | 2003-02-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |