KR970006488B1 - 정보의 기록, 판독방법 - Google Patents

정보의 기록, 판독방법 Download PDF

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Publication number
KR970006488B1
KR970006488B1 KR1019930000251A KR930000251A KR970006488B1 KR 970006488 B1 KR970006488 B1 KR 970006488B1 KR 1019930000251 A KR1019930000251 A KR 1019930000251A KR 930000251 A KR930000251 A KR 930000251A KR 970006488 B1 KR970006488 B1 KR 970006488B1
Authority
KR
South Korea
Prior art keywords
information
metal deposition
deposition layer
eddy current
magnetic
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 - Fee Related
Application number
KR1019930000251A
Other languages
English (en)
Korean (ko)
Other versions
KR930016916A (ko
Inventor
타쯔야 오가와
Original Assignee
쿄도인사쯔 가부시기가이샤
후꾸오가 고로
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 쿄도인사쯔 가부시기가이샤, 후꾸오가 고로 filed Critical 쿄도인사쯔 가부시기가이샤
Publication of KR930016916A publication Critical patent/KR930016916A/ko
Application granted granted Critical
Publication of KR970006488B1 publication Critical patent/KR970006488B1/ko
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B13/00—Recording simultaneously or selectively by methods covered by different main groups among G11B3/00, G11B5/00, G11B7/00 and G11B9/00; Record carriers therefor not otherwise provided for; Reproducing therefrom not otherwise provided for
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/20—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose
    • B42D25/22—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose for use in combination with accessories specially adapted for information-bearing cards
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06K7/085—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 metal detectors

Landscapes

  • Engineering & Computer Science (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Credit Cards Or The Like (AREA)
KR1019930000251A 1992-01-13 1993-01-11 정보의 기록, 판독방법 Expired - Fee Related KR970006488B1 (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP92-21581 1992-01-13
JP92-21581.0 1992-01-13
JP2158192 1992-01-13
JP28705792A JP3264288B2 (ja) 1992-01-13 1992-10-02 情報の記録・読取り方法
JP92-287057 1992-10-02

Publications (2)

Publication Number Publication Date
KR930016916A KR930016916A (ko) 1993-08-30
KR970006488B1 true KR970006488B1 (ko) 1997-04-28

Family

ID=26358667

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019930000251A Expired - Fee Related KR970006488B1 (ko) 1992-01-13 1993-01-11 정보의 기록, 판독방법

Country Status (5)

Country Link
JP (1) JP3264288B2 (enrdf_load_stackoverflow)
KR (1) KR970006488B1 (enrdf_load_stackoverflow)
AU (1) AU658254B2 (enrdf_load_stackoverflow)
GB (1) GB2263808B (enrdf_load_stackoverflow)
TW (1) TW222700B (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6259575B1 (en) 1998-07-01 2001-07-10 Iomega Corporation Readable indelible mark on storage media
US6324026B1 (en) * 1998-07-01 2001-11-27 Iomega Corporation Readable indelible mark on storage media
US20080024917A1 (en) * 2006-02-24 2008-01-31 John Hynes Holographic magnetic stripe demetalization security
JP2014172309A (ja) * 2013-03-11 2014-09-22 Toppan Printing Co Ltd 識別媒体およびその識別方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0262287A (ja) * 1988-08-30 1990-03-02 Kyodo Printing Co Ltd 感熱記録方法、それに用いる感熱記録媒体及びその製造方法
JP2728214B2 (ja) * 1989-01-20 1998-03-18 共同印刷株式会社 感熱記録媒体

Also Published As

Publication number Publication date
KR930016916A (ko) 1993-08-30
GB2263808A (en) 1993-08-04
AU3114293A (en) 1993-07-15
AU658254B2 (en) 1995-04-06
TW222700B (enrdf_load_stackoverflow) 1994-04-21
JP3264288B2 (ja) 2002-03-11
GB2263808B (en) 1995-11-29
GB9300186D0 (en) 1993-03-03
JPH05294095A (ja) 1993-11-09

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