NL179689C - MAGNETIC REGISTRATION MEDIUM. - Google Patents

MAGNETIC REGISTRATION MEDIUM.

Info

Publication number: NL179689C
Authority: NL; Netherlands
Prior art keywords: registration medium; magnetic registration; magnetic; medium; registration
Prior art date: 1972-08-14

Application number

NL7311219A

Other languages

Dutch (nl)

Other versions

NL7311219A (en

Original Assignee

Sony Corp

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.)

1972-08-14

Filing date

1973-08-14

Publication date

1986-10-16

1973-08-14 Application filed by Sony Corp filed Critical Sony Corp

1974-02-18 Publication of NL7311219A publication Critical patent/NL7311219A/xx

1986-10-16 Application granted granted Critical

1986-10-16 Publication of NL179689C publication Critical patent/NL179689C/en

Links

Classifications

- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
- G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
- G11B5/71—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the lubricant

NL7311219A 1972-08-14 1973-08-14 MAGNETIC REGISTRATION MEDIUM. NL179689C (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP47081265A JPS5129923B2 (en)	1972-08-14	1972-08-14

Publications (2)

Publication Number	Publication Date
NL7311219A NL7311219A (en)	1974-02-18
NL179689C true NL179689C (en)	1986-10-16

Family

ID=13741516

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL7311219A NL179689C (en)	1972-08-14	1973-08-14	MAGNETIC REGISTRATION MEDIUM.

Country Status (6)

Country	Link
JP (1)	JPS5129923B2 (en)
CA (1)	CA1001908A (en)
DE (1)	DE2341168C2 (en)
FR (1)	FR2196499B1 (en)
GB (1)	GB1439644A (en)
NL (1)	NL179689C (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5245309A (en) *	1975-10-07	1977-04-09	Victor Co Of Japan Ltd	Media for magnetic recording
JPS54142524U (en) *	1978-03-27	1979-10-03
JPS57130233A (en) *	1981-02-04	1982-08-12	Fuji Photo Film Co Ltd	Magnetic recording medium
DE3125567C2 (en) *	1981-06-30	1986-11-06	Agfa-Gevaert Ag, 5090 Leverkusen	Process for dispersing acicular magnetic pigments in a polymeric binder using organic boron compounds as dispersants
JPS59112429A (en) *	1982-12-17	1984-06-28	Hitachi Maxell Ltd	Magnetic recording medium
JPS59139363U (en) *	1983-03-05	1984-09-18	方喰　保平	sticky note
JPS63182163U (en) *	1987-05-18	1988-11-24
US5532042A (en) *	1989-04-05	1996-07-02	Hitachi Maxell, Ltd.	Magnetic recording medium
JP2839745B2 (en) *	1991-04-18	1998-12-16	帝人株式会社	Magnetic recording media
JPH04324115A (en) *	1991-04-24	1992-11-13	Teijin Memory Media Kk	Magnetic recording medium
CN114560883B (en) *	2022-03-07	2024-01-26	西安石油大学	Boron-containing spiro-type crude oil treating agent and preparation method thereof

1972
- 1972-08-14 JP JP47081265A patent/JPS5129923B2/ja not_active Expired
1973
- 1973-08-13 GB GB3826273A patent/GB1439644A/en not_active Expired
- 1973-08-13 CA CA178,627A patent/CA1001908A/en not_active Expired
- 1973-08-14 NL NL7311219A patent/NL179689C/en not_active IP Right Cessation
- 1973-08-14 FR FR7329697A patent/FR2196499B1/fr not_active Expired
- 1973-08-14 DE DE19732341168 patent/DE2341168C2/en not_active Expired

Also Published As

Publication number	Publication date
GB1439644A (en)	1976-06-16
JPS4939402A (en)	1974-04-12
FR2196499A1 (en)	1974-03-15
DE2341168C2 (en)	1982-08-19
DE2341168A1 (en)	1974-02-28
CA1001908A (en)	1976-12-21
JPS5129923B2 (en)	1976-08-28
NL7311219A (en)	1974-02-18
FR2196499B1 (en)	1977-02-25

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Legal Events

Date	Code	Title
1980-08-25	BA	A request for search or an international-type search has been filed
1982-06-01	BB	A search report has been drawn up
1982-09-01	BC	A request for examination has been filed
1985-01-01	A85	Still pending on 85-01-01
1989-04-17	V1	Lapsed because of non-payment of the annual fee