AU7144596A - Method of preventing unauthorized use of magnetic recording medium, and magnetic reader/writer used for the method - Google Patents

Method of preventing unauthorized use of magnetic recording medium, and magnetic reader/writer used for the method

Info

Publication number
AU7144596A
AU7144596A AU71445/96A AU7144596A AU7144596A AU 7144596 A AU7144596 A AU 7144596A AU 71445/96 A AU71445/96 A AU 71445/96A AU 7144596 A AU7144596 A AU 7144596A AU 7144596 A AU7144596 A AU 7144596A
Authority
AU
Australia
Prior art keywords
recording medium
magnetic
unauthorized use
preventing unauthorized
magnetic recording
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.)
Abandoned
Application number
AU71445/96A
Inventor
Masanori Ueda
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.)
Icm KK
Original Assignee
I C M KK
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 I C M KK filed Critical I C M KK
Publication of AU7144596A publication Critical patent/AU7144596A/en
Abandoned legal-status Critical Current

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
    • 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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/02—Control of operating function, e.g. switching from recording to reproducing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Credit Cards Or The Like (AREA)
AU71445/96A 1996-06-10 1996-10-02 Method of preventing unauthorized use of magnetic recording medium, and magnetic reader/writer used for the method Abandoned AU7144596A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP16870796 1996-06-10
JP8-168707 1996-06-10
PCT/JP1996/002859 WO1997048096A1 (en) 1996-06-10 1996-10-02 Method of preventing unauthorized use of magnetic recording medium, and magnetic reader/writer used for the method

Publications (1)

Publication Number Publication Date
AU7144596A true AU7144596A (en) 1998-01-07

Family

ID=15872968

Family Applications (1)

Application Number Title Priority Date Filing Date
AU71445/96A Abandoned AU7144596A (en) 1996-06-10 1996-10-02 Method of preventing unauthorized use of magnetic recording medium, and magnetic reader/writer used for the method

Country Status (2)

Country Link
AU (1) AU7144596A (en)
WO (1) WO1997048096A1 (en)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6269888U (en) * 1985-10-22 1987-05-01
JPH0728570Y2 (en) * 1987-08-04 1995-06-28 凸版印刷株式会社 Magnetic card
JPH0312808U (en) * 1989-06-22 1991-02-08
JP2815646B2 (en) * 1989-12-21 1998-10-27 大日本印刷株式会社 Metal thin-film magnetic card and method for preventing forgery and alteration thereof
JP2736852B2 (en) * 1993-05-28 1998-04-02 株式会社巴川製紙所 Magnetic recording medium and method of manufacturing the same
JPH07244837A (en) * 1994-03-04 1995-09-19 Tokin Corp Magnetic card
JPH07296500A (en) * 1994-04-28 1995-11-10 Tokin Corp Magnetic card and method for reading magnetic card
JP3418246B2 (en) * 1994-05-20 2003-06-16 エヌイーシートーキン株式会社 Magnetic card
JPH087263A (en) * 1994-06-20 1996-01-12 Tokyo Jiki Insatsu Kk Magnetic recording medium and magnetic recording and reproducing device

Also Published As

Publication number Publication date
WO1997048096A1 (en) 1997-12-18

Similar Documents

Publication Publication Date Title
EP0635835A3 (en) Recording medium, recording and/or reproducing apparatus and recording and/or reproducing method.
AU5758999A (en) Information recording medium, information recording/reproducing method, and information recording/reproducing device
EP0795873A3 (en) Information recording medium, apparatus for recording the same and apparatus for reproducing the same
HK1055348A1 (en) Information recording medium, apparatus for recording the same and apparatus for reproducing the same
HK1049402A1 (en) Information recording medium, apparatus for recording the same and apparatus for reproducing the same
EP1120787A4 (en) Information recording method, information recording device, and information recording medium
EP0613144A3 (en) Recording medium, recording apparatus and reproducing apparatus therefor.
HK1017123A1 (en) Information recording method and information recording medium
EP0608126A3 (en) Information recording medium and method of fabricating same.
AU1424995A (en) Method and device for recording data, data recording medium,and method and device for reproducing data
EP0978797B1 (en) Magnetic card recording/reproducing apparatus and method
EP0814475A4 (en) Information recording medium, recording method and reproduction apparatus
EP0677961A3 (en) Method for recording and reproducing data.
AU5631398A (en) Information encoding method and apparatus, information decoding method and apparatus and information recording medium
HU9802440D0 (en) Reproducing apparatus, recording apparatus and recording medium
HK1039208A1 (en) Recording medium recording and/or reproducing method and reproducing apparatus therefor.
HK1052402A1 (en) Information record medium, apparatus for recordingthe same and apparatus for reproducing the same
EP0643385A3 (en) Magnetic recording medium, magnetic head and magnetic recording apparatus.
EP0749124A4 (en) Reproducing device, reproducing method, and recording medium
AU2994597A (en) Magnetic media having partitioned and presaturated data tracks
EP0657880A3 (en) Magneto-optical recording medium and manufacturing method thereof.
AU1235595A (en) Magneto-optical recording medium, and information reproducing method using the medium
SG42420A1 (en) Magnetic recording system and magnetic recording medium used thereof
GB9819354D0 (en) Pos terminal,method of controlling the pos terminal,pos system using the pos terminal and information storage medium
AU2184899A (en) Information recorder, recording method, and recording media