JPS6452223A - Magnetic card - Google Patents
Magnetic cardInfo
- Publication number
- JPS6452223A JPS6452223A JP63012083A JP1208388A JPS6452223A JP S6452223 A JPS6452223 A JP S6452223A JP 63012083 A JP63012083 A JP 63012083A JP 1208388 A JP1208388 A JP 1208388A JP S6452223 A JPS6452223 A JP S6452223A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic layer
- magnetic
- coercive force
- curie point
- layer
- 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.)
- Pending
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
- G06K7/083—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 inductive
- G06K7/084—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 inductive sensing magnetic material by relative movement detecting flux changes without altering its magnetised state
-
- 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
-
- 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
- G06K19/06187—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 with magnetically detectable marking
- G06K19/06196—Constructional details
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
- G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
- G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
- G11B5/716—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by two or more magnetic layers
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Magnetic Record Carriers (AREA)
- Recording Or Reproducing By Magnetic Means (AREA)
- Credit Cards Or The Like (AREA)
- Paints Or Removers (AREA)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP63012083A JPS6452223A (en) | 1987-05-14 | 1988-01-22 | Magnetic card |
AU15613/88A AU606152B2 (en) | 1987-05-14 | 1988-05-05 | Magnetic card and apparatus for handling it |
EP88304298A EP0291306B1 (en) | 1987-05-14 | 1988-05-12 | Magnetic card and methods for handling it |
DE3851977T DE3851977T2 (de) | 1987-05-14 | 1988-05-12 | Magnetkarte und Anwendungsverfahren. |
US07/193,928 US5003409A (en) | 1987-05-14 | 1988-05-13 | Dual layered magnetic data card with reading and recording apparatus |
CA000566801A CA1335639C (en) | 1987-05-14 | 1988-05-13 | Magnetic card and apparatus for handling it |
KR1019880005604A KR930007931B1 (ko) | 1987-05-14 | 1988-05-13 | 자기카드 및 처리장치 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11751587 | 1987-05-14 | ||
JP63012083A JPS6452223A (en) | 1987-05-14 | 1988-01-22 | Magnetic card |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6452223A true JPS6452223A (en) | 1989-02-28 |
Family
ID=26347641
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP63012083A Pending JPS6452223A (en) | 1987-05-14 | 1988-01-22 | Magnetic card |
Country Status (7)
Country | Link |
---|---|
US (1) | US5003409A (ja) |
EP (1) | EP0291306B1 (ja) |
JP (1) | JPS6452223A (ja) |
KR (1) | KR930007931B1 (ja) |
AU (1) | AU606152B2 (ja) |
CA (1) | CA1335639C (ja) |
DE (1) | DE3851977T2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002093650A (ja) * | 2000-09-18 | 2002-03-29 | Takamisawa Cybernetics Co Ltd | 巻線機及びコイル製造方法 |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3198184B2 (ja) * | 1993-02-02 | 2001-08-13 | 株式会社ジェーシービー | 磁気ストライプ付きプラスチックカード |
JP3198183B2 (ja) * | 1993-02-02 | 2001-08-13 | 株式会社ジェーシービー | 磁気ストライプ付きプラスチックカード |
JPH06236589A (ja) * | 1993-02-10 | 1994-08-23 | Canon Inc | 光磁気記録方法および光磁気再生方法及び光磁気記録媒体 |
JPH0922385A (ja) * | 1995-07-05 | 1997-01-21 | Rohm Co Ltd | データセキュリティ装置および方法 |
WO1998036429A1 (fr) | 1997-02-12 | 1998-08-20 | Tdk Corporation | Support d'enregistrement magnetique et procede d'enregistrement/reproduction magnetique |
GB9717475D0 (en) * | 1997-08-18 | 1997-10-22 | Flying Null Ltd | Improvements relating to magnetic data carriers |
JP2001261999A (ja) * | 2000-03-17 | 2001-09-26 | Toshiba Corp | 真偽判定インク用磁性粉、その製造方法、それを用いた磁性インク、それを用いた真偽判定用印刷部材、その検出装置、及び真偽判定装置 |
JP2002029184A (ja) | 2000-07-14 | 2002-01-29 | Lintec Corp | 偽造防止識別体、及びその真偽判別方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS628656U (ja) * | 1985-06-28 | 1987-01-19 | ||
JPS62145300U (ja) * | 1986-03-07 | 1987-09-12 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4090662A (en) * | 1975-05-28 | 1978-05-23 | Minnesota Mining And Manufacturing Company | Tamperproof magnetically readable label |
FR2386112A1 (fr) * | 1977-03-31 | 1978-10-27 | Cii Honeywell Bull | Dispositif d'aimantation statique a champ localise |
JPS6048807B2 (ja) * | 1979-05-02 | 1985-10-29 | 東北金属工業株式会社 | 感温磁性材を積層した磁気カ−ド記録再生装置 |
JPS5720903A (en) * | 1980-07-11 | 1982-02-03 | Tohoku Metal Ind Ltd | Magnetic recording and reproducing device |
JPS5733435A (en) * | 1980-07-31 | 1982-02-23 | Tdk Corp | Magnetic recording medium |
JPS5778652A (en) * | 1980-11-01 | 1982-05-17 | Daido Steel Co Ltd | Thermal magnetic recording carrier and thermal magnetic recording system |
US4520409A (en) * | 1981-07-10 | 1985-05-28 | Fuji Xerox Corporation, Limited | Thermal and magnetic recording head |
DE3381422D1 (de) * | 1982-12-23 | 1990-05-10 | Sony Corp | Thermomagnetisches optisches aufzeichnungs-/wiedergabeverfahren. |
JPS61250022A (ja) * | 1985-04-30 | 1986-11-07 | Toray Ind Inc | マトリツクス樹脂組成物 |
JPH07107737B2 (ja) * | 1985-06-05 | 1995-11-15 | 株式会社トーキン | 磁気記録媒体 |
US4794560A (en) * | 1985-09-30 | 1988-12-27 | International Business Machines Corporation | Eraseable self biasing thermal magneto-optic medium |
JPH0695404B2 (ja) * | 1985-12-27 | 1994-11-24 | ソニー株式会社 | 光磁気記録方法 |
CA1322408C (en) * | 1986-08-20 | 1993-09-21 | Tomiji Tanaka | Thermomagnetic recording method applying power modulated laser on a magnetically coupled double layer structure of perpendicular anisotropy film |
-
1988
- 1988-01-22 JP JP63012083A patent/JPS6452223A/ja active Pending
- 1988-05-05 AU AU15613/88A patent/AU606152B2/en not_active Ceased
- 1988-05-12 DE DE3851977T patent/DE3851977T2/de not_active Expired - Fee Related
- 1988-05-12 EP EP88304298A patent/EP0291306B1/en not_active Expired - Lifetime
- 1988-05-13 US US07/193,928 patent/US5003409A/en not_active Expired - Fee Related
- 1988-05-13 KR KR1019880005604A patent/KR930007931B1/ko not_active IP Right Cessation
- 1988-05-13 CA CA000566801A patent/CA1335639C/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS628656U (ja) * | 1985-06-28 | 1987-01-19 | ||
JPS62145300U (ja) * | 1986-03-07 | 1987-09-12 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002093650A (ja) * | 2000-09-18 | 2002-03-29 | Takamisawa Cybernetics Co Ltd | 巻線機及びコイル製造方法 |
Also Published As
Publication number | Publication date |
---|---|
AU606152B2 (en) | 1991-01-31 |
AU1561388A (en) | 1988-11-17 |
DE3851977D1 (de) | 1994-12-08 |
KR880014493A (ko) | 1988-12-24 |
EP0291306B1 (en) | 1994-11-02 |
KR930007931B1 (ko) | 1993-08-21 |
US5003409A (en) | 1991-03-26 |
EP0291306A2 (en) | 1988-11-17 |
CA1335639C (en) | 1995-05-23 |
DE3851977T2 (de) | 1995-04-13 |
EP0291306A3 (en) | 1989-12-06 |
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