JPS59169599U - Voice coil motor drive circuit - Google Patents

Voice coil motor drive circuit

Info

Publication number
JPS59169599U
JPS59169599U JP1983062023U JP6202383U JPS59169599U JP S59169599 U JPS59169599 U JP S59169599U JP 1983062023 U JP1983062023 U JP 1983062023U JP 6202383 U JP6202383 U JP 6202383U JP S59169599 U JPS59169599 U JP S59169599U
Authority
JP
Japan
Prior art keywords
voice coil
coil motor
drive circuit
motor drive
magnetic head
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
JP1983062023U
Other languages
Japanese (ja)
Inventor
直人 鎌田
佐々間　政志
小河　卓二
中林　和良
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 JP1983062023U priority Critical patent/JPS59169599U/en
Publication of JPS59169599U publication Critical patent/JPS59169599U/en
Pending legal-status Critical Current

Links

Landscapes

  • Control Of Linear Motors (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (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図は本考案のボイスコイルモータ駆動回路図、第２
図は第１図の各ポイントの波形を示すタイムチャート図
である。 １・・・・・・駆動回路、２・・・・・・電流積分回路
、３・・・・・・比較回路、４・・・・・・スイッチン
グ回路、５，６・・・・・・ドライバ、？、　　８．　
９．　１０−−−−−−）ランジスタ、１１．１２・・
・・・・センス抵抗、１４．　１９・・・・・・コンデ
ンサ、１３．１５．１８，２０．３１．３２・・・・・
・抵抗、１６．２１・・曲オペアンプ、１７．２２・・
・・・・ダイオード、２３・・・・・・コンパレータ、
２４・・・・・・フリップフロップ、２７．３０・・・
・・・トランジスタ、２５．　２６．　２８．　２９・
・・・・・抵抗。 Ｈ）ｈ。 ； ：　　　　　ＮFigure 1 is a voice coil motor drive circuit diagram of the present invention, Figure 2
The figure is a time chart diagram showing waveforms at each point in FIG. 1. 1... Drive circuit, 2... Current integration circuit, 3... Comparison circuit, 4... Switching circuit, 5, 6... driver,? , 8.
9. 10------) transistor, 11.12...
...Sense resistance, 14. 19... Capacitor, 13.15.18, 20.31.32...
・Resistance, 16.21... Song operational amplifier, 17.22...
...Diode, 23...Comparator,
24...Flip-flop, 27.30...
...Transistor, 25. 26. 28. 29・
·····resistance. H) h. ; : N

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 磁気ヘッドを駆動するためのボイスコイルモタを有する
磁気ディスク装置において、磁気ヘッドの暴走防止回路
を設けたことを特徴とするボイスコイルモータの駆動回
路。A voice coil motor drive circuit, characterized in that a magnetic head runaway prevention circuit is provided in a magnetic disk device having a voice coil motor for driving a magnetic head.
JP1983062023U 1983-04-27 1983-04-27 Voice coil motor drive circuit Pending JPS59169599U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1983062023U JPS59169599U (en) 1983-04-27 1983-04-27 Voice coil motor drive circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1983062023U JPS59169599U (en) 1983-04-27 1983-04-27 Voice coil motor drive circuit

Publications (1)

Publication Number Publication Date
JPS59169599U true JPS59169599U (en) 1984-11-13

Family

ID=30192223

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1983062023U Pending JPS59169599U (en) 1983-04-27 1983-04-27 Voice coil motor drive circuit

Country Status (1)

Country Link
JP (1) JPS59169599U (en)

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