JPH0565922B2 - - Google Patents

Info

Publication number
JPH0565922B2
JPH0565922B2 JP17883184A JP17883184A JPH0565922B2 JP H0565922 B2 JPH0565922 B2 JP H0565922B2 JP 17883184 A JP17883184 A JP 17883184A JP 17883184 A JP17883184 A JP 17883184A JP H0565922 B2 JPH0565922 B2 JP H0565922B2
Authority
JP
Japan
Prior art keywords
sample
magnetic
signal
magnetic field
digital
Prior art date
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 - Lifetime
Application number
JP17883184A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6157012A (ja
Inventor
Munekatsu Fukuyama
Hideo Suyama
Yutaka Hayata
Shigemi Imakoshi
Yasuhiro Iida
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.)
Sony Corp
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.)
Filing date
Publication date
Application filed by Sony Corp filed Critical Sony Corp
Priority to JP17883184A priority Critical patent/JPS6157012A/ja
Priority to US06/705,706 priority patent/US4703378A/en
Priority to CA000475257A priority patent/CA1235482A/en
Priority to EP85102282A priority patent/EP0154307B1/en
Priority to DE8585102282T priority patent/DE3585959D1/de
Priority to EP90123594A priority patent/EP0421489B1/en
Priority to DE3588065T priority patent/DE3588065T2/de
Priority to EP93100342A priority patent/EP0544642B1/en
Priority to DE3587992T priority patent/DE3587992T2/de
Publication of JPS6157012A publication Critical patent/JPS6157012A/ja
Publication of JPH0565922B2 publication Critical patent/JPH0565922B2/ja
Granted legal-status Critical Current

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
    • G11B5/127—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
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • 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
    • G11B2005/0002—Special dispositions or recording techniques
    • G11B2005/0005—Arrangements, methods or circuits
    • G11B2005/001—Controlling recording characteristics of record carriers or transducing characteristics of transducers by means not being part of their structure
    • G11B2005/0013—Controlling recording characteristics of record carriers or transducing characteristics of transducers by means not being part of their structure of transducers, e.g. linearisation, equalisation
    • G11B2005/0016—Controlling recording characteristics of record carriers or transducing characteristics of transducers by means not being part of their structure of transducers, e.g. linearisation, equalisation of magnetoresistive transducers

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
  • Magnetic Heads (AREA)
JP17883184A 1984-03-01 1984-08-28 磁気抵抗効果型磁気ヘツド装置 Granted JPS6157012A (ja)

Priority Applications (9)

Application Number Priority Date Filing Date Title
JP17883184A JPS6157012A (ja) 1984-08-28 1984-08-28 磁気抵抗効果型磁気ヘツド装置
US06/705,706 US4703378A (en) 1984-03-01 1985-02-26 Magnetic transducer head utilizing magnetoresistance effect
CA000475257A CA1235482A (en) 1984-03-01 1985-02-27 Magnetic transducer head utilizing magnetoresistance effect
EP85102282A EP0154307B1 (en) 1984-03-01 1985-02-28 Magnetic transducer head utilizing the magnetoresistance effect
DE8585102282T DE3585959D1 (de) 1984-03-01 1985-02-28 Magnetwandlerkopf mit nutzung des magnetwiderstandseffekts.
EP90123594A EP0421489B1 (en) 1984-03-01 1985-02-28 Magnetic transducer head utilizing the magnetoresistance effect
DE3588065T DE3588065T2 (de) 1984-03-01 1985-02-28 Magnetwandlerkopfeinrichtung mit Nutzung des Magnetowiderstandseffekts.
EP93100342A EP0544642B1 (en) 1984-03-01 1985-02-28 Magnetic transducer head apparatus utilizing the magnetoresistance effect
DE3587992T DE3587992T2 (de) 1984-03-01 1985-02-28 Magnetwandlerkopf, der einen Magnetwiderstandseffekt verwendet.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17883184A JPS6157012A (ja) 1984-08-28 1984-08-28 磁気抵抗効果型磁気ヘツド装置

Publications (2)

Publication Number Publication Date
JPS6157012A JPS6157012A (ja) 1986-03-22
JPH0565922B2 true JPH0565922B2 (enrdf_load_stackoverflow) 1993-09-20

Family

ID=16055426

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17883184A Granted JPS6157012A (ja) 1984-03-01 1984-08-28 磁気抵抗効果型磁気ヘツド装置

Country Status (1)

Country Link
JP (1) JPS6157012A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63246142A (ja) * 1987-10-09 1988-10-13 株式会社日立メデイコ 超音波診断装置

Also Published As

Publication number Publication date
JPS6157012A (ja) 1986-03-22

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term