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JPS5488029A - Method of and device for magnetically identifying mark - Google Patents

Method of and device for magnetically identifying mark

Info

Publication number
JPS5488029A
JPS5488029A JP15048278A JP15048278A JPS5488029A JP S5488029 A JPS5488029 A JP S5488029A JP 15048278 A JP15048278 A JP 15048278A JP 15048278 A JP15048278 A JP 15048278A JP S5488029 A JPS5488029 A JP S5488029A
Authority
JP
Japan
Prior art keywords
identifying mark
magnetically
magnetically identifying
mark
identifying
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.)
Pending
Application number
JP15048278A
Other languages
English (en)
Inventor
Ragarudo Pieeru
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.)
Metalimphy SA
Original Assignee
Metalimphy SA
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 Metalimphy SA filed Critical Metalimphy SA
Publication of JPS5488029A publication Critical patent/JPS5488029A/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07F—COIN-FREED OR LIKE APPARATUS
    • G07F7/00—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus
    • G07F7/08—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means
    • G07F7/086—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means by passive credit-cards adapted therefor, e.g. constructive particularities to avoid counterfeiting, e.g. by inclusion of a physical or chemical security-layer
    • 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
    • G06K7/087—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 flux-sensitive, e.g. magnetic, detectors

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Security & Cryptography (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Theoretical Computer Science (AREA)
  • Burglar Alarm Systems (AREA)
  • Geophysics And Detection Of Objects (AREA)
JP15048278A 1977-12-23 1978-12-05 Method of and device for magnetically identifying mark Pending JPS5488029A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7738997A FR2412893A1 (fr) 1977-12-23 1977-12-23 Procede de reconnaissance d'objets

Publications (1)

Publication Number Publication Date
JPS5488029A true JPS5488029A (en) 1979-07-12

Family

ID=9199274

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15048278A Pending JPS5488029A (en) 1977-12-23 1978-12-05 Method of and device for magnetically identifying mark

Country Status (5)

Country Link
US (1) US4195771A (ja)
JP (1) JPS5488029A (ja)
DE (1) DE2855396C3 (ja)
FR (1) FR2412893A1 (ja)
IT (1) IT1203211B (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58219677A (ja) * 1982-06-03 1983-12-21 アイデンテイテツク　コ−ポレ−シヨン 磁気機械的マ−カ−をもつコ−ド化された監視システム

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2179298A (en) * 1985-07-01 1987-03-04 Mars Inc Magnetically encoded card having two levels of spatial bit density
US4835028A (en) * 1987-05-29 1989-05-30 Security Tag Systems, Inc. Secure paper product
GB8918699D0 (en) * 1989-08-16 1989-09-27 De La Rue Syst Thread detector assembly
JPH0375894A (ja) * 1989-08-17 1991-03-29 Fuji Electric Co Ltd 磁気マーカーの識別方法
US6352203B1 (en) * 1999-03-17 2002-03-05 Compaq Information Technologies Group, L.P. Automated semiconductor identification system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3790754A (en) * 1972-08-04 1974-02-05 Burroughs Machines Ltd Security access medium
US4150781A (en) * 1974-08-08 1979-04-24 Johnson Everett A Access authentication system
US4134538A (en) * 1976-03-18 1979-01-16 La Societe Metalimphy Process and apparatus for identification of objects
US4151405A (en) * 1976-06-24 1979-04-24 Glen Peterson Ferromagnetic marker pairs for detecting objects having marker secured thereto, and method and system for activating, deactivating and using same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58219677A (ja) * 1982-06-03 1983-12-21 アイデンテイテツク　コ−ポレ−シヨン 磁気機械的マ−カ−をもつコ−ド化された監視システム
JPS6214873B2 (ja) * 1982-06-03 1987-04-04 Allied Corp

Also Published As

Publication number Publication date
FR2412893B1 (ja) 1980-08-22
DE2855396C3 (de) 1981-10-29
DE2855396B2 (de) 1980-09-11
DE2855396A1 (de) 1979-06-28
IT1203211B (it) 1989-02-15
FR2412893A1 (fr) 1979-07-20
IT7869942A0 (it) 1978-12-22
US4195771A (en) 1980-04-01

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