KR890700878A - Magnetic recording medium and its authenticity determination method - Google Patents

Magnetic recording medium and its authenticity determination method

Info

Publication number
KR890700878A
KR890700878A KR1019880701681A KR880701681A KR890700878A KR 890700878 A KR890700878 A KR 890700878A KR 1019880701681 A KR1019880701681 A KR 1019880701681A KR 880701681 A KR880701681 A KR 880701681A KR 890700878 A KR890700878 A KR 890700878A
Authority
KR
South Korea
Prior art keywords
recording medium
magnetic recording
determination method
authenticity determination
authenticity
Prior art date
Application number
KR1019880701681A
Other languages
Korean (ko)
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 filed Critical
Publication of KR890700878A publication Critical patent/KR890700878A/en

Links

Classifications

    • 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
    • G06K19/08—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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Magnetic Record Carriers (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
  • Credit Cards Or The Like (AREA)
KR1019880701681A 1987-04-21 1988-12-16 Magnetic recording medium and its authenticity determination method KR890700878A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP62096268A JPH083898B2 (en) 1987-04-21 1987-04-21 Magnetic recording medium and its authenticity determination method
PCT/JP1988/000371 WO1988008591A1 (en) 1987-04-21 1988-04-14 Magnetic recording medium and truth determination method therefor

Publications (1)

Publication Number Publication Date
KR890700878A true KR890700878A (en) 1989-04-28

Family

ID=14160405

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019880701681A KR890700878A (en) 1987-04-21 1988-12-16 Magnetic recording medium and its authenticity determination method

Country Status (5)

Country Link
JP (1) JPH083898B2 (en)
KR (1) KR890700878A (en)
AU (1) AU1592088A (en)
CA (1) CA1305793C (en)
WO (1) WO1988008591A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0776981B2 (en) * 1989-11-02 1995-08-16 株式会社日本コンラックス Card-type recording medium recording / reproducing apparatus and method for preventing unauthorized use thereof
US5270526A (en) * 1989-11-02 1993-12-14 Nippon Conlux Co., Ltd. Card type recording medium and method of preventing a false use thereof
CN102446525B (en) * 2010-09-30 2015-04-22 山东新北洋信息技术股份有限公司 Magnetic recording method and equipment

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3038602C2 (en) * 1980-10-13 1986-09-25 COPYTEX GmbH Sicherheitssysteme, 7730 Villingen-Schwenningen Method for recognizing the authenticity of a data carrier
JPS58101385A (en) * 1981-12-10 1983-06-16 Tdk Corp Magnetic card not erasable
JPS58111130A (en) * 1981-12-24 1983-07-02 Omron Tateisi Electronics Co Magnetic recording medium
JPS60173722A (en) * 1984-02-17 1985-09-07 Matsushita Electric Ind Co Ltd Magnetic card
GB8521363D0 (en) * 1985-08-28 1985-10-02 De La Rue Co Plc Security card

Also Published As

Publication number Publication date
JPH083898B2 (en) 1996-01-17
AU1592088A (en) 1988-12-02
WO1988008591A1 (en) 1988-11-03
CA1305793C (en) 1992-07-28
JPS63263602A (en) 1988-10-31

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Legal Events

Date Code Title Description
A201 Request for examination
WITB Written withdrawal of application