IT1203211B - Dispositivo per il riconoscimento di oggetti - Google Patents

Dispositivo per il riconoscimento di oggetti

Info

Publication number: IT1203211B
Authority: IT; Italy
Prior art keywords: recognition; objects
Prior art date: 1977-12-23

Application number

IT69942/78A

Other languages

English (en)

Other versions

IT7869942A0 (it

Original Assignee

Metalimphy

Imphy 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.)

1977-12-23

Filing date

1978-12-22

Publication date

1989-02-15

1978-12-22 Application filed by Metalimphy, Imphy Sa filed Critical Metalimphy

1978-12-22 Publication of IT7869942A0 publication Critical patent/IT7869942A0/it

1989-02-15 Application granted granted Critical

1989-02-15 Publication of IT1203211B publication Critical patent/IT1203211B/it

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)

IT69942/78A 1977-12-23 1978-12-22 Dispositivo per il riconoscimento di oggetti IT1203211B (it)

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 (2)

Publication Number	Publication Date
IT7869942A0 IT7869942A0 (it)	1978-12-22
IT1203211B true IT1203211B (it)	1989-02-15

Family

ID=9199274

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT69942/78A IT1203211B (it)	1977-12-23	1978-12-22	Dispositivo per il riconoscimento di oggetti

Country Status (5)

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

Families Citing this family (6)

* 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
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

1977
- 1977-12-23 FR FR7738997A patent/FR2412893A1/fr active Granted
1978
- 1978-12-05 JP JP15048278A patent/JPS5488029A/ja active Pending
- 1978-12-07 US US05/967,303 patent/US4195771A/en not_active Expired - Lifetime
- 1978-12-21 DE DE2855396A patent/DE2855396C3/de not_active Expired
- 1978-12-22 IT IT69942/78A patent/IT1203211B/it active

Also Published As

Publication number	Publication date
IT7869942A0 (it)	1978-12-22
FR2412893A1 (fr)	1979-07-20
DE2855396C3 (de)	1981-10-29
US4195771A (en)	1980-04-01
JPS5488029A (en)	1979-07-12
DE2855396A1 (de)	1979-06-28
DE2855396B2 (de)	1980-09-11
FR2412893B1 (it)	1980-08-22

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