JPS58111130A - 磁気記録媒体 - Google Patents
磁気記録媒体Info
- Publication number
- JPS58111130A JPS58111130A JP56212268A JP21226881A JPS58111130A JP S58111130 A JPS58111130 A JP S58111130A JP 56212268 A JP56212268 A JP 56212268A JP 21226881 A JP21226881 A JP 21226881A JP S58111130 A JPS58111130 A JP S58111130A
- Authority
- JP
- Japan
- Prior art keywords
- area
- read
- magnetic
- signal
- data
- 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 OR CALCULATING; 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
- G06K19/12—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 sensed by magnetic means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Credit Cards Or The Like (AREA)
- Magnetic Record Carriers (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56212268A JPS58111130A (ja) | 1981-12-24 | 1981-12-24 | 磁気記録媒体 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56212268A JPS58111130A (ja) | 1981-12-24 | 1981-12-24 | 磁気記録媒体 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS58111130A true JPS58111130A (ja) | 1983-07-02 |
JPH0310167B2 JPH0310167B2 (enrdf_load_stackoverflow) | 1991-02-13 |
Family
ID=16619766
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56212268A Granted JPS58111130A (ja) | 1981-12-24 | 1981-12-24 | 磁気記録媒体 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS58111130A (enrdf_load_stackoverflow) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6177102A (ja) * | 1984-09-22 | 1986-04-19 | Kyodo Printing Co Ltd | 磁気記録媒体の真偽判定方法及び磁気記録媒体 |
JPS63263602A (ja) * | 1987-04-21 | 1988-10-31 | Kyodo Printing Co Ltd | 磁気記録媒体およびその真偽判定方法 |
JPS63306528A (ja) * | 1987-06-08 | 1988-12-14 | Nippon Coinco:Kk | 磁気カ−ド |
JPH01208726A (ja) * | 1988-02-16 | 1989-08-22 | Kyodo Printing Co Ltd | 磁気記録媒体 |
EP0657884A1 (en) * | 1989-01-11 | 1995-06-14 | Hitachi, Ltd. | Magnetic recording medium, method of producing it, and magnetic recording apparatus using it |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5050899A (enrdf_load_stackoverflow) * | 1973-09-05 | 1975-05-07 |
-
1981
- 1981-12-24 JP JP56212268A patent/JPS58111130A/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5050899A (enrdf_load_stackoverflow) * | 1973-09-05 | 1975-05-07 |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6177102A (ja) * | 1984-09-22 | 1986-04-19 | Kyodo Printing Co Ltd | 磁気記録媒体の真偽判定方法及び磁気記録媒体 |
JPS63263602A (ja) * | 1987-04-21 | 1988-10-31 | Kyodo Printing Co Ltd | 磁気記録媒体およびその真偽判定方法 |
JPS63306528A (ja) * | 1987-06-08 | 1988-12-14 | Nippon Coinco:Kk | 磁気カ−ド |
JPH01208726A (ja) * | 1988-02-16 | 1989-08-22 | Kyodo Printing Co Ltd | 磁気記録媒体 |
EP0657884A1 (en) * | 1989-01-11 | 1995-06-14 | Hitachi, Ltd. | Magnetic recording medium, method of producing it, and magnetic recording apparatus using it |
Also Published As
Publication number | Publication date |
---|---|
JPH0310167B2 (enrdf_load_stackoverflow) | 1991-02-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4837426A (en) | Object verification apparatus and method | |
US5235166A (en) | Data verification method and magnetic media therefor | |
US4906988A (en) | Object verification system and method | |
US4807287A (en) | Document authentication method | |
US4863196A (en) | Certification identifying medium | |
US5394234A (en) | Method and apparatus for detecting forged diffraction gratings on identification means | |
US4013894A (en) | Secure property document and system | |
US3513298A (en) | High security credit card system | |
US6830183B2 (en) | Device for secure read, write and read/modify/write operation with divided track transducer head | |
EP0276814A2 (en) | Object verification system and method | |
US4228348A (en) | Security document and system | |
EP1615157A3 (en) | Magnetic card reader and reproduction and demodulation method | |
JPS58111130A (ja) | 磁気記録媒体 | |
JPH11510299A (ja) | セキュリティ機能付クレジット・カード | |
JPS58150133A (ja) | 磁気記録媒体の読取方法 | |
JPH0678037B2 (ja) | 認証識別媒体の認証装置 | |
GB2027965A (en) | Improvements in or relating to metering devices | |
GB2214679A (en) | Verification | |
KR910006578B1 (ko) | 자기기록매체 및 그 진위의 판정방법 | |
CA1070835A (en) | Security cards | |
JP2761693B2 (ja) | 磁気カ−ドの不正使用防止方法 | |
JPH02127792A (ja) | 個体識別用カード並びに個体識別情報設定システム | |
EP0412156B1 (en) | Truth determination method for a magnetic recording medium | |
JP2508472B2 (ja) | カ−ドの真偽判定方法 | |
JPH0827883B2 (ja) | 磁気カ−ドおよびそのための磁気記録再生方法および装置 |