IT1004654B - MULTIPOLAR MAGNETIZATION DEVICE - Google Patents

MULTIPOLAR MAGNETIZATION DEVICE

Info

Publication number: IT1004654B
Authority: IT; Italy
Prior art keywords: magnetization device; multipolar magnetization; multipolar; magnetization
Prior art date: 1972-12-07

Application number

IT70585/73A

Other languages

Italian (it)

Original Assignee

Yamauchi Rubber Ind Co Ltd

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.)

1972-12-07

Filing date

1973-12-06

Publication date

1976-07-20

1973-12-06 Application filed by Yamauchi Rubber Ind Co Ltd filed Critical Yamauchi Rubber Ind Co Ltd

1976-07-20 Application granted granted Critical

1976-07-20 Publication of IT1004654B publication Critical patent/IT1004654B/en

Links

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F13/00—Apparatus or processes for magnetising or demagnetising

IT70585/73A 1972-12-07 1973-12-06 MULTIPOLAR MAGNETIZATION DEVICE IT1004654B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP12314872A JPS56928B2 (en)	1972-12-07	1972-12-07

Publications (1)

Publication Number	Publication Date
IT1004654B true IT1004654B (en)	1976-07-20

Family

ID=14853366

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT70585/73A IT1004654B (en)	1972-12-07	1973-12-06	MULTIPOLAR MAGNETIZATION DEVICE

Country Status (7)

Country	Link
US (1)	US3858136A (en)
JP (1)	JPS56928B2 (en)
CH (1)	CH558587A (en)
DE (1)	DE2361154A1 (en)
FR (1)	FR2211731B1 (en)
GB (1)	GB1406554A (en)
IT (1)	IT1004654B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5928043B2 (en) *	1976-01-16	1984-07-10	日立金属株式会社	Permanent magnet minute spacing magnetization device
US4146956A (en) *	1976-04-09	1979-04-03	Tokyo Shibaura Electric Co., Ltd.	Method for manufacturing a multipolar erasing head
DE2814392C2 (en) *	1977-04-13	1983-10-27	Evva-Werk Spezialerzeugung von Zylinder- und Sicherheitsschlössern GmbH & Co KG, 1120 Wien	Surface magnetization device
US4237518A (en) *	1979-05-11	1980-12-02	Krulwich Lester S	Nonelectric magnetizer and demagnetizer
SE469099B (en) *	1991-08-14	1993-05-10	Nokia Data Ab	FOERMAGNETISERINGSHUVUD
DE19831415A1 (en) *	1998-04-17	1999-10-21	Meto International Gmbh	Device for deactivating a securing element for electronic article surveillance
JP4018313B2 (en) *	2000-03-01	2007-12-05	Ｎｔｎ株式会社	Manufacturing method of magnetic encoder
US6822827B1 (en) *	2001-06-07	2004-11-23	Imation Corp.	Erasure techniques for magnetic tape media
US20090134963A1 (en) *	2007-11-26	2009-05-28	Ogden Jr Orval D	Flexible magnetic sheet systems
ES2561557T3 (en)	2010-10-27	2016-02-26	Intercontinental Great Brands Llc	Magnetically closable container to contain products

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2715659A (en) *	1950-10-14	1955-08-16	Ibuka Masaru	Magnetic heads for magnetic recording and reproducing apparatus
US2711945A (en) *	1953-03-04	1955-06-28	Clevite Corp	Magnetic transducer head for high frequency signals
NL193492A (en) *	1953-12-28
US3140361A (en) *	1960-12-30	1964-07-07	Ampex	Magnetic head assembly

1972
- 1972-12-07 JP JP12314872A patent/JPS56928B2/ja not_active Expired
1973
- 1973-11-29 GB GB5545873A patent/GB1406554A/en not_active Expired
- 1973-12-05 FR FR7343354A patent/FR2211731B1/fr not_active Expired
- 1973-12-05 US US00421948A patent/US3858136A/en not_active Expired - Lifetime
- 1973-12-06 IT IT70585/73A patent/IT1004654B/en active
- 1973-12-06 CH CH1709873A patent/CH558587A/en not_active IP Right Cessation
- 1973-12-07 DE DE2361154A patent/DE2361154A1/en active Pending

Also Published As

Publication number	Publication date
FR2211731B1 (en)	1978-02-10
FR2211731A1 (en)	1974-07-19
GB1406554A (en)	1975-09-17
JPS4978899A (en)	1974-07-30
CH558587A (en)	1975-01-31
JPS56928B2 (en)	1981-01-10
DE2361154A1 (en)	1974-06-12
US3858136A (en)	1974-12-31

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