GB1540537A - Creation of Inventions and Patents with Artificial Intelligence

GB1540537A – Magnetic transducer
– Google Patents

GB1540537A – Magnetic transducer
– Google Patents
Magnetic transducer

Info

Publication number
GB1540537A

GB1540537A
GB42842/77A
GB4284277A
GB1540537A
GB 1540537 A
GB1540537 A
GB 1540537A
GB 42842/77 A
GB42842/77 A
GB 42842/77A
GB 4284277 A
GB4284277 A
GB 4284277A
GB 1540537 A
GB1540537 A
GB 1540537A
Authority
GB
United Kingdom
Prior art keywords
magnetic transducer
transducer
magnetic
Prior art date
1976-10-19
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.)

Expired

Application number
GB42842/77A
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.)

Koninklijke Philips NV

Original Assignee
Philips Gloeilampenfabrieken NV
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.)
1976-10-19
Filing date
1977-10-14
Publication date
1979-02-14

1977-10-14
Application filed by Philips Gloeilampenfabrieken NV
filed
Critical
Philips Gloeilampenfabrieken NV

1979-02-14
Publication of GB1540537A
publication
Critical
patent/GB1540537A/en

Status
Expired
legal-status
Critical
Current

Links

Espacenet

Global Dossier

Discuss

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

G11B5/127—Structure or manufacture of heads, e.g. inductive

G11B5/33—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only

G11B5/39—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects

G11B5/3903—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects using magnetic thin film layers or their effects, the films being part of integrated structures

G—PHYSICS

G11—INFORMATION STORAGE

G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER

G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus Intermediate mediums; Apparatus or processes specially adapted for their manufacture

G11B23/0007—Circuits or methods for reducing noise, for correction of distortion, or for changing density of recorded information

GB42842/77A
1976-10-19
1977-10-14
Magnetic transducer

Expired

GB1540537A
(en)

Applications Claiming Priority (1)

Application Number
Priority Date
Filing Date
Title

NL7611522A

NL7611522A
(en)

1976-10-19
1976-10-19

MAGNETO RESISTANCE READING HEAD WITH THERMAL NOISE REDUCTION.

Publications (1)

Publication Number
Publication Date

GB1540537A
true

GB1540537A
(en)

1979-02-14

Family
ID=19827075
Family Applications (1)

Application Number
Title
Priority Date
Filing Date

GB42842/77A
Expired

GB1540537A
(en)

1976-10-19
1977-10-14
Magnetic transducer

Country Status (7)

Country
Link

US
(1)

US4122505A
(en)

JP
(1)

JPS5352410A
(en)

CA
(1)

CA1097803A
(en)

DE
(1)

DE2745128C2
(en)

FR
(1)

FR2368778A1
(en)

GB
(1)

GB1540537A
(en)

NL
(1)

NL7611522A
(en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party

Publication number
Priority date
Publication date
Assignee
Title

NL7806568A
(en)

1978-06-19
1979-12-21
Philips Nv

MAGNETO RESISTANCE READ HEAD.

JPS5559314A
(en)

1978-10-27
1980-05-02
Sony Corp
Magnetic scale signal detector

NL8300557A
(en)

1983-02-15
1984-09-03
Philips Nv

MAGNETIC FIELD SENSOR.

JPS6047223A
(en)

1983-08-25
1985-03-14
Sony Corp
Magneto-resistance effect type magnetic head

JPS61209303A
(en)

1985-03-13
1986-09-17
Sony Magnescale Inc
Method and apparatus for recording and detecting magnetic scale

US4668913A
(en)

1985-03-14
1987-05-26
International Business Machines Corporation
Constant flux magneto resistive magnetic reluctance sensing apparatus

GB2191589B
(en)

1986-06-10
1990-06-13
Nippon Musical Instruments Mfg
Sensor

US4903158A
(en)

1988-07-28
1990-02-20
Eastman Kodak Company
MR head with complementary easy axis permanent magnet

US4899240A
(en)

1988-07-28
1990-02-06
Eastman Kodak Company
Biasing for a UMR head

US5233482A
(en)

1991-07-31
1993-08-03
International Business Machines Corporation
Thermal asperity compensation for PRML data detection

KR200156789Y1
(en)

1992-08-06
1999-09-01
요트.게.아. 롤페즈
Magnetic head having a mutlilayer structure and method of manufacturing magnetic head

US5455730A
(en)

1993-02-18
1995-10-03
International Business Machines Corporation
Contact magnetic recording disk file with a magnetoresistive read sensor

US5552589A
(en)

1993-08-31
1996-09-03
Eastman Kodak Company
Permanent magnet assembly with MR element for detection/authentication of magnetic documents

DE69532396T2
(en)

1994-02-28
2004-12-09
Koninklijke Philips Electronics N.V.

MAGNETIC FIELD METER

JP3471520B2
(en)

1996-04-30
2003-12-02
富士通株式会社

Method of manufacturing magnetoresistive head and method of manufacturing magnetoresistive head

EP1045375A3
(en)

1999-04-15
2006-03-08
Matsushita Electric Industrial Co., Ltd.
Magnetic reproduction device, magnetic head using the device and method for producing the magnetic head

US6445519B1
(en)

1999-04-21
2002-09-03
Seagate Technology Llc
Basline instability detector

US6671232B1
(en)

2001-07-25
2003-12-30
Maxtor Corporation
Method and apparatus for measuring the surface temperature of a disk

Family Cites Families (8)

* Cited by examiner, † Cited by third party

Publication number
Priority date
Publication date
Assignee
Title

FR2165206A5
(en)

1971-12-22
1973-08-03
Cii

JPS4895781A
(en)

1972-03-18
1973-12-07

US3864751A
(en)

1973-10-04
1975-02-04
Ibm
Induced bias magnetoresistive read transducer

NL164410C
(en)

1974-04-01
1980-12-15
Philips Nv

MAGNETIC RESISTANCE MAGNETIC HEAD.

US4052748A
(en)

1974-04-01
1977-10-04
U.S. Philips Corporation
Magnetoresistive magnetic head

DE2615539C2
(en)

1975-04-14
1986-01-16
N.V. Philips’ Gloeilampenfabrieken, Eindhoven

Magnetic head with magnetoresistive element

NL168981C
(en)

1975-04-15
1982-05-17
Philips Nv

MAGNETIC RESISTOR READING HEAD.

US3979775A
(en)

1975-09-08
1976-09-07
International Business Machines Corporation
Magnetoresistive multitransducer assembly with compensation elements for thermal drift and bias balancing

1976

1976-10-19
NL
NL7611522A
patent/NL7611522A/en
not_active
Application Discontinuation

1977

1977-10-07
DE
DE2745128A
patent/DE2745128C2/en
not_active
Expired

1977-10-11
US
US05/840,760
patent/US4122505A/en
not_active
Expired – Lifetime

1977-10-14
GB
GB42842/77A
patent/GB1540537A/en
not_active
Expired

1977-10-14
CA
CA288,729A
patent/CA1097803A/en
not_active
Expired

1977-10-15
JP
JP12303177A
patent/JPS5352410A/en
active
Granted

1977-10-19
FR
FR7731452A
patent/FR2368778A1/en
active
Granted

Also Published As

Publication number
Publication date

DE2745128A1
(en)

1978-04-20

US4122505A
(en)

1978-10-24

CA1097803A
(en)

1981-03-17

NL7611522A
(en)

1978-04-21

DE2745128C2
(en)

1985-03-28

FR2368778B1
(en)

1984-06-01

FR2368778A1
(en)

1978-05-19

JPS5352410A
(en)

1978-05-12

JPS579131B2
(en)

1982-02-19

Contact information