JPS59118118U - magnetic erase head - Google Patents

magnetic erase head

Info

Publication number
JPS59118118U
JPS59118118U JP904783U JP904783U JPS59118118U JP S59118118 U JPS59118118 U JP S59118118U JP 904783 U JP904783 U JP 904783U JP 904783 U JP904783 U JP 904783U JP S59118118 U JPS59118118 U JP S59118118U
Authority
JP
Japan
Prior art keywords
magnetic
erasing
erase head
recording medium
magnetic erase
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.)
Granted
Application number
JP904783U
Other languages
Japanese (ja)
Other versions
JPH026487Y2 (en
Inventor
山下　真郷
Original Assignee
アルプス電気株式会社
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 アルプス電気株式会社 filed Critical アルプス電気株式会社
Priority to JP904783U priority Critical patent/JPS59118118U/en
Publication of JPS59118118U publication Critical patent/JPS59118118U/en
Application granted granted Critical
Publication of JPH026487Y2 publication Critical patent/JPH026487Y2/ja
Granted legal-status Critical Current

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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) [Abstract] 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 the drawing]

第１図、第４図、第５図は本考案の各実施例に係る消去
磁気ヘッドの概略構晟図、第２図は本考案の消去磁気ヘ
ッドにおける直流多極消去部の各磁極部のヒステリシス
ループ図、第３図は磁気ギャップを種々と変えた場合の
消去電流とノイズレベルの関係を示す特性図である。 １・・・・・・直流多極マグネットコア、２・・曲交流
消去用コア、３．４・・・・・・磁気ギャップ、５・・
・・・・励磁巻線、６・・・・・・磁気記録媒体。1, 4, and 5 are schematic structural diagrams of the erasing magnetic head according to each embodiment of the present invention, and FIG. 2 is a diagram of each magnetic pole portion of the DC multipole erasing section in the erasing magnetic head of the present invention. The hysteresis loop diagram in FIG. 3 is a characteristic diagram showing the relationship between erase current and noise level when the magnetic gap is varied. 1... DC multipolar magnet core, 2... Curved AC erasing core, 3.4... Magnetic gap, 5...
...excitation winding, 6...magnetic recording medium.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ２極以上の漸減反転磁界を磁気記録媒体に与える直流多
極消去部と、励磁巻線を巻装して交流消去磁界を発生さ
せる交流消去部とを磁気記録媒体の移送方向に沿って並
べ、前記交流消去部の磁気ギャップが約２０μｍ以下に
規制されていることを特徴とする磁気消去ヘッド。A DC multi-pole erasing section that applies a gradually decreasing reversal magnetic field of two or more poles to the magnetic recording medium and an AC erasing section that generates an AC erasing magnetic field by winding an excitation winding are arranged along the transport direction of the magnetic recording medium, A magnetic erasing head characterized in that the magnetic gap of the AC erasing section is regulated to about 20 μm or less.
JP904783U 1983-01-27 1983-01-27 magnetic erase head Granted JPS59118118U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP904783U JPS59118118U (en) 1983-01-27 1983-01-27 magnetic erase head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP904783U JPS59118118U (en) 1983-01-27 1983-01-27 magnetic erase head

Publications (2)

Publication Number Publication Date
JPS59118118U true JPS59118118U (en) 1984-08-09
JPH026487Y2 JPH026487Y2 (en) 1990-02-16

Family

ID=30140520

Family Applications (1)

Application Number Title Priority Date Filing Date
JP904783U Granted JPS59118118U (en) 1983-01-27 1983-01-27 magnetic erase head

Country Status (1)

Country Link
JP (1) JPS59118118U (en)

Also Published As

Publication number Publication date
JPH026487Y2 (en) 1990-02-16

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