JPS58125245U - Device with magnetoresistive head - Google Patents

Device with magnetoresistive head

Info

Publication number
JPS58125245U
JPS58125245U JP2158082U JP2158082U JPS58125245U JP S58125245 U JPS58125245 U JP S58125245U JP 2158082 U JP2158082 U JP 2158082U JP 2158082 U JP2158082 U JP 2158082U JP S58125245 U JPS58125245 U JP S58125245U
Authority
JP
Japan
Prior art keywords
information
magnetoresistive head
magnetoresistive
information track
magnetic
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.)
Pending
Application number
JP2158082U
Other languages
Japanese (ja)
Inventor
竹浦 亨
大浦 正樹
Original Assignee
株式会社日立製作所
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 株式会社日立製作所 filed Critical 株式会社日立製作所
Priority to JP2158082U priority Critical patent/JPS58125245U/en
Publication of JPS58125245U publication Critical patent/JPS58125245U/en
Pending legal-status Critical Current

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  • Magnetic Heads (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。
(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第1図は本考案の一実施例を示す磁気抵抗素子部と読取
り出し回路図、第2図は本考案の一実施例を示す磁気ヘ
ッド断面図、第3図は本考案のへ  −ラドと媒体の相
対位置関係図、第4図は本考案の原理を示す出力波形図
1.第5図は本考案の他の実施例を示す磁気抵抗素子部
の構成図である。 1.14・・・・・・磁気抵抗素子、2. 3. 15
゜16・・・・・・磁気抵抗ヘッド出力電極、4. 5
. 18゜19.20・・・・・・バイアス手段を与え
る電極、20・・・・・・永久磁石バイアス膜、12.
13・・・・・・シールド、11・・・・・・媒体、8
.9・・・・・・センス電流源、10・・川・差動アン
プ。
Fig. 1 is a magnetoresistive element section and readout circuit diagram showing an embodiment of the invention, Fig. 2 is a sectional view of a magnetic head showing an embodiment of the invention, and Fig. 3 is a diagram of the magnetic head of the invention. FIG. 4 is a diagram of the relative positional relationship of the media, and an output waveform diagram illustrating the principle of the present invention. FIG. 5 is a configuration diagram of a magnetoresistive element section showing another embodiment of the present invention. 1.14... Magnetoresistive element, 2. 3. 15
゜16... Magnetoresistive head output electrode, 4. 5
.. 18°19.20... Electrode providing bias means, 20... Permanent magnet bias film, 12.
13... Shield, 11... Medium, 8
.. 9...Sense current source, 10...River/differential amplifier.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 磁気記録媒体上の情報を表わす磁界を検出するため、磁
気抵抗素子をはさんで両側にシールドをもち該素子に情
報トラックの中央部に対し、センス電流が同一の向きに
流れるような手段をもうけ、書込まれた情報に対して磁
気抵抗素子が所定のアジマス角をもって情報トラックに
位置づけされ、さらに差動アンプを設けたことを特徴と
する磁気抵抗ヘッドを有する装置。
In order to detect the magnetic field representing information on a magnetic recording medium, a magnetic resistance element is sandwiched between shields on both sides, and a means is provided in which a sense current flows in the same direction toward the center of the information track. A device having a magnetoresistive head, characterized in that a magnetoresistive element is positioned on an information track at a predetermined azimuth angle with respect to written information, and a differential amplifier is further provided.
JP2158082U 1982-02-19 1982-02-19 Device with magnetoresistive head Pending JPS58125245U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2158082U JPS58125245U (en) 1982-02-19 1982-02-19 Device with magnetoresistive head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2158082U JPS58125245U (en) 1982-02-19 1982-02-19 Device with magnetoresistive head

Publications (1)

Publication Number Publication Date
JPS58125245U true JPS58125245U (en) 1983-08-25

Family

ID=30033698

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2158082U Pending JPS58125245U (en) 1982-02-19 1982-02-19 Device with magnetoresistive head

Country Status (1)

Country Link
JP (1) JPS58125245U (en)

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