JPS58193330U - Magnetic head anti-magnetic device - Google Patents

Magnetic head anti-magnetic device

Info

Publication number
JPS58193330U
JPS58193330U JP9054682U JP9054682U JPS58193330U JP S58193330 U JPS58193330 U JP S58193330U JP 9054682 U JP9054682 U JP 9054682U JP 9054682 U JP9054682 U JP 9054682U JP S58193330 U JPS58193330 U JP S58193330U
Authority
JP
Japan
Prior art keywords
magnetic
magnetic head
head anti
output
magnetic sensor
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
JP9054682U
Other languages
Japanese (ja)
Inventor
智博 竹川
裕 清水
Original Assignee
パイオニア株式会社
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 パイオニア株式会社 filed Critical パイオニア株式会社
Priority to JP9054682U priority Critical patent/JPS58193330U/en
Publication of JPS58193330U publication Critical patent/JPS58193330U/en
Pending legal-status Critical Current

Links

Landscapes

  • Recording Or Reproducing By Magnetic Means (AREA)
  • Magnetic Heads (AREA)
  • Adjustment Of The Magnetic Head Position Track Following On Tapes (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 the drawing]

第１図は従来の磁気ヘッドの一例を示す平面図、第２図
はこの考案による磁気ヘッド帯磁防止装置の一実施例を
示す回路図である。 １・・・磁気コア、２・・・ギャップ、３・・・コイル
、４゜・・・磁気センサ、５・・・直流増幅器、６・・
・表示器、７・・・比較器、８・・・基準電源。FIG. 1 is a plan view showing an example of a conventional magnetic head, and FIG. 2 is a circuit diagram showing an embodiment of a magnetic head magnetization prevention device according to this invention. 1... Magnetic core, 2... Gap, 3... Coil, 4°... Magnetic sensor, 5... DC amplifier, 6...
- Display, 7... Comparator, 8... Reference power supply.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 磁気ヘッドの内部あるいはその近辺に設けられた磁気セ
ンサと、前記磁気ヘッドの不動作時における前記磁気セ
ンサの出力を基準値と比較し、磁気センサの出力が基準
値を越えた時に出力を発生して消磁コイルを駆動する比
較器とを備えたことを特徴とする磁気ヘッド帯磁防止装
置。A magnetic sensor provided inside or near the magnetic head and the output of the magnetic sensor when the magnetic head is not operating are compared with a reference value, and an output is generated when the output of the magnetic sensor exceeds the reference value. and a comparator for driving a demagnetizing coil.
JP9054682U 1982-06-17 1982-06-17 Magnetic head anti-magnetic device Pending JPS58193330U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9054682U JPS58193330U (en) 1982-06-17 1982-06-17 Magnetic head anti-magnetic device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9054682U JPS58193330U (en) 1982-06-17 1982-06-17 Magnetic head anti-magnetic device

Publications (1)

Publication Number Publication Date
JPS58193330U true JPS58193330U (en) 1983-12-22

Family

ID=30099047

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9054682U Pending JPS58193330U (en) 1982-06-17 1982-06-17 Magnetic head anti-magnetic device

Country Status (1)

Country Link
JP (1) JPS58193330U (en)

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