NL189161C - MAGNETIC REGISTRATION MEDIUM. - Google Patents

MAGNETIC REGISTRATION MEDIUM.

Info

Publication number: NL189161C
Authority: NL; Netherlands
Prior art keywords: registration medium; magnetic registration; magnetic; medium; registration
Prior art date: 1979-03-22

Application number

NL8001640A

Other languages

Dutch (nl)

Other versions

NL189161B (en

NL8001640A (en

Original Assignee

Tdk 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.)

1979-03-22

Filing date

1980-03-19

Publication date

1993-01-18

1980-03-19 Application filed by Tdk Corp filed Critical Tdk Corp

1980-09-24 Publication of NL8001640A publication Critical patent/NL8001640A/en

1992-08-17 Publication of NL189161B publication Critical patent/NL189161B/en

1993-01-18 Application granted granted Critical

1993-01-18 Publication of NL189161C publication Critical patent/NL189161C/en

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
- G11B5/706—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 composition of the magnetic material
- G11B5/70605—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 composition of the magnetic material metals or alloys
- G11B5/70615—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 composition of the magnetic material metals or alloys containing Fe metal or alloys
- 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
- G11B5/714—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 dimension of the magnetic particles

Landscapes

Engineering & Computer Science (AREA)
Metallurgy (AREA)
Magnetic Record Carriers (AREA)
Paints Or Removers (AREA)

NL8001640A 1979-03-22 1980-03-19 MAGNETIC REGISTRATION MEDIUM. NL189161C (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP3222379		1979-03-22
JP3222379A JPS55125538A (en)	1979-03-22	1979-03-22	Magnetic recording medium

Publications (3)

Publication Number	Publication Date
NL8001640A NL8001640A (en)	1980-09-24
NL189161B NL189161B (en)	1992-08-17
NL189161C true NL189161C (en)	1993-01-18

Family

ID=12352947

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL8001640A NL189161C (en)	1979-03-22	1980-03-19	MAGNETIC REGISTRATION MEDIUM.

Country Status (4)

Country	Link
JP (1)	JPS55125538A (en)
DE (1)	DE3010976C2 (en)
GB (1)	GB2044789B (en)
NL (1)	NL189161C (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS57183626A (en) *	1981-05-07	1982-11-12	Fuji Photo Film Co Ltd	Magnetic recording medium
JPS5864628A (en) *	1981-10-13	1983-04-18	Hitachi Maxell Ltd	Magnetic recording medium
JPS58203622A (en) *	1982-05-20	1983-11-28	Asahi Chem Ind Co Ltd	Magnetic coating composition for magnetic recording medium
JPS58203625A (en) *	1982-05-24	1983-11-28	Toshiba Corp	Magnetic recording medium
JPS5979432A (en) *	1982-10-29	1984-05-08	Konishiroku Photo Ind Co Ltd	Magnetic recording medium
JPS5979431A (en) *	1982-10-29	1984-05-08	Konishiroku Photo Ind Co Ltd	Magnetic recording medium

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS503641B1 (en) *	1965-10-30	1975-02-07
US3767464A (en) *	1968-11-13	1973-10-23	Fuji Photo Film Co Ltd	Magnetic recording member and method of producing same
JPS574013B2 (en) *	1974-07-31	1982-01-23

1979
- 1979-03-22 JP JP3222379A patent/JPS55125538A/en active Pending
1980
- 1980-03-19 NL NL8001640A patent/NL189161C/en not_active IP Right Cessation
- 1980-03-20 GB GB8009353A patent/GB2044789B/en not_active Expired
- 1980-03-21 DE DE19803010976 patent/DE3010976C2/en not_active Expired

Also Published As

Publication number	Publication date
GB2044789B (en)	1983-01-12
NL189161B (en)	1992-08-17
GB2044789A (en)	1980-10-22
NL8001640A (en)	1980-09-24
DE3010976A1 (en)	1980-10-09
JPS55125538A (en)	1980-09-27
DE3010976C2 (en)	1984-12-13

Publication	Publication Date	Title
NL187506C (en)	1991-10-16	MAGNETIC REGISTRATION MEDIUM.
NO811558L (en)	1981-05-07	SERUM-SEPARATION MEDIA.
AT386810B (en)	1988-10-25	SWITCHABLE, PERMANENT MAGNETIC BRAKE
NL184966C (en)	1989-12-18	MAGNETIC REGISTRATION MEDIUM.
NL7901032A (en)	1979-08-13	MAGNETIC RECORDING MEDIA.
NL7710021A (en)	1978-03-16	MAGNETIC REGISTRATION CONSTRUCTION.
NL187999C (en)	1992-03-02	MAGNETIC REGISTRATION BAND.
NL190296B (en)	1993-08-02	MAGNETIC REGISTRATION MEDIUM.
NL189321C (en)	1993-03-01	MAGNETIC RECORD MEDIUM.
NL186659C (en)	1991-01-16	MAGNETIC TRANSDUCENT ASSEMBLY.
IT8025904A0 (en)	1980-11-12	MAGNETOMETER.
NO153666C (en)	1986-04-30	MAGNETIC FIELD DETECTOR.
IT8024074A0 (en)	1980-08-08	MAGNETIC JOINT.
NL189219C (en)	1993-02-01	MAGNETIC REGISTRATION MEDIUM.
NL184983C (en)	1989-12-18	MAGNETIC REGISTRATION MEDIUM.
IT1209818B (en)	1989-08-30	MAGNETIC CYLINDER.
NL189160C (en)	1993-01-18	MAGNETIC REGISTRATION MEDIUM.
NL7900968A (en)	1979-08-14	MAGNETIC CONNECTION.
IT8024716A0 (en)	1980-09-17	MAGNETIC STRIP.
NL189161C (en)	1993-01-18	MAGNETIC REGISTRATION MEDIUM.
NL7902131A (en)	1979-09-18	MAGNETIC RECORDING MEDIA.
NL188251B (en)	1991-12-02	MAGNETIC REGISTRATION MEDIUM.
NL189929B (en)	1993-04-01	RING MAGNETIC SYSTEM.
IT7928238A0 (en)	1979-12-20	MAGNETIC ACTUATOR.
IT7928437A0 (en)	1979-12-28	DEMAGNETIZING COIL.

Legal Events

Date	Code	Title	Description
1983-05-02	BA	A request for search or an international-type search has been filed
1984-04-16	DNT	Communications of changes of names of applicants whose applications have been laid open to public inspection	Free format text: TDK KABUSHIKI KAISHA
1985-01-01	A85	Still pending on 85-01-01
1985-03-01	BB	A search report has been drawn up
1986-01-02	BC	A request for examination has been filed
1994-11-16	V1	Lapsed because of non-payment of the annual fee