JPH0248949B2 - - Google Patents

Info

Publication number
JPH0248949B2
JPH0248949B2 JP56179289A JP17928981A JPH0248949B2 JP H0248949 B2 JPH0248949 B2 JP H0248949B2 JP 56179289 A JP56179289 A JP 56179289A JP 17928981 A JP17928981 A JP 17928981A JP H0248949 B2 JPH0248949 B2 JP H0248949B2
Authority
JP
Japan
Prior art keywords
card
magnetic
magnetic layer
coercive force
information
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.)
Expired - Lifetime
Application number
JP56179289A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5880783A (ja
Inventor
Yoshiharu Yui
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dai Nippon Printing Co Ltd
Original Assignee
Dai Nippon Printing Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Dai Nippon Printing Co Ltd filed Critical Dai Nippon Printing Co Ltd
Priority to JP56179289A priority Critical patent/JPS5880783A/ja
Publication of JPS5880783A publication Critical patent/JPS5880783A/ja
Publication of JPH0248949B2 publication Critical patent/JPH0248949B2/ja
Granted legal-status Critical Current

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)
JP56179289A 1981-11-09 1981-11-09 磁気カ−ドの偽造防止方法 Granted JPS5880783A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56179289A JPS5880783A (ja) 1981-11-09 1981-11-09 磁気カ−ドの偽造防止方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56179289A JPS5880783A (ja) 1981-11-09 1981-11-09 磁気カ−ドの偽造防止方法

Related Child Applications (7)

Application Number Title Priority Date Filing Date
JP63322310A Division JPH03130197A (ja) 1988-12-21 1988-12-21 磁気カードの製造方法
JP63322309A Division JPH03130920A (ja) 1988-12-21 1988-12-21 磁気カード
JP3212757A Division JPH05189632A (ja) 1991-07-30 1991-07-30 磁気カードの磁気記録媒体形成用貼合せテープ
JP3212754A Division JP2556780B2 (ja) 1991-07-30 1991-07-30 情報記録方法
JP3212753A Division JP2660273B2 (ja) 1991-07-30 1991-07-30 多層磁気記録媒体及びその情報記録方法
JP3212756A Division JPH05189631A (ja) 1991-07-30 1991-07-30 磁気カードの磁気記録媒体形成用転写テープ
JP3212755A Division JPH05182034A (ja) 1991-07-30 1991-07-30 偽造防止方法

Publications (2)

Publication Number Publication Date
JPS5880783A JPS5880783A (ja) 1983-05-14
JPH0248949B2 true JPH0248949B2 (enrdf_load_stackoverflow) 1990-10-26

Family

ID=16063219

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56179289A Granted JPS5880783A (ja) 1981-11-09 1981-11-09 磁気カ−ドの偽造防止方法

Country Status (1)

Country Link
JP (1) JPS5880783A (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61145727A (ja) * 1984-12-19 1986-07-03 Dainippon Printing Co Ltd 磁気記録媒体をもつカ−ド類とその記録方法
JPS6233323A (ja) * 1985-08-06 1987-02-13 Tomoegawa Paper Co Ltd 感熱磁気記録媒体
JPS6233325A (ja) * 1985-08-06 1987-02-13 Tomoegawa Paper Co Ltd 感熱磁気記録媒体
JP2632275B2 (ja) * 1992-07-13 1997-07-23 株式会社巴川製紙所 磁気記録媒体の製造方法
US6241152B1 (en) * 1997-11-14 2001-06-05 Kabushiki Kaisha Toshiba Card processing apparatus and method
JP4496452B2 (ja) * 2001-03-30 2010-07-07 Ｄｉｃ株式会社 磁気記録媒体

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5050897A (enrdf_load_stackoverflow) * 1973-09-05 1975-05-07

Also Published As

Publication number Publication date
JPS5880783A (ja) 1983-05-14

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