JPH0260497U - - Google Patents

Info

Publication number
JPH0260497U
JPH0260497U JP1988139284U JP13928488U JPH0260497U JP H0260497 U JPH0260497 U JP H0260497U JP 1988139284 U JP1988139284 U JP 1988139284U JP 13928488 U JP13928488 U JP 13928488U JP H0260497 U JPH0260497 U JP H0260497U
Authority
JP
Japan
Prior art keywords
circuit
type
spindle motor
supplied
type inverter
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
JP1988139284U
Other languages
Japanese (ja)
Other versions
JPH0739358Y2 (en
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 filed Critical
Priority to JP1988139284U priority Critical patent/JPH0739358Y2/en
Publication of JPH0260497U publication Critical patent/JPH0260497U/ja
Application granted granted Critical
Publication of JPH0739358Y2 publication Critical patent/JPH0739358Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Motor And Converter Starters (AREA)
  • Control Of Direct Current Motors (AREA)

Description

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

第１図はこの考案に係るスピンドルモータのド
ライブ回路の実施例を示した回路図である。第２
図は従来例のスピンドルモータのドライブ回路を
示した回路図である。 主な符号の説明、１：スピンドルモータのドラ
イブユニツト回路、２：Ｆ／Ｒコントロール信号
の入力端子、３：ＰＷＭ信号の入力端子、Ｍ：ス
ピンドルモータ、Ｉ：スピンドルモータのドライ
ブ電流。 FIG. 1 is a circuit diagram showing an embodiment of a spindle motor drive circuit according to this invention. Second
The figure is a circuit diagram showing a conventional spindle motor drive circuit. Explanation of main symbols: 1: Spindle motor drive unit circuit, 2: F/R control signal input terminal, 3: PWM signal input terminal, M: spindle motor, I: spindle motor drive current.

Claims (1)

【実用新案登録請求の範囲】 Ｐ形エミツタカツプル回路と、Ｎ形エミツタカ
ツプル回路のコレクタにスピンドルモータを接続
したスピンドルモータのドライブ回路において、 Ｆ／Ｒコントロール信号が供給される第１のＮ
形インバータ回路及び第１のＰ形インバータ回路
と、この第１のインバータ回路の出力信号が供給
される第２のＰ形インバータ回路及び第１のＰ形
インバータ回路の出力信号が供給される第２のＮ
型インバータ回路とで構成し、上記第１、第２の
Ｐ形及びＮ形インバータ回路の出力信号が上記Ｐ
形及びＮ形エミツタカツプル回路を制御する制御
手段とを備えたことを特徴とするスピンドルモー
タのドライブ回路。[Scope of Claim for Utility Model Registration] In a spindle motor drive circuit in which a spindle motor is connected to the collectors of a P-type emitter coupler circuit and an N-type emitter coupler circuit, the first N to which the F/R control signal is supplied
a first P-type inverter circuit, a second P-type inverter circuit supplied with the output signal of the first inverter circuit, and a second P-type inverter circuit supplied with the output signal of the first P-type inverter circuit. N of
The output signals of the first and second P-type and N-type inverter circuits are the P-type inverter circuits.
1. A drive circuit for a spindle motor, comprising: control means for controlling a type emitter coupler circuit and an N type emitter coupler circuit.
JP1988139284U 1988-10-27 1988-10-27 Spindle motor drive circuit Expired - Lifetime JPH0739358Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988139284U JPH0739358Y2 (en) 1988-10-27 1988-10-27 Spindle motor drive circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988139284U JPH0739358Y2 (en) 1988-10-27 1988-10-27 Spindle motor drive circuit

Publications (2)

Publication Number Publication Date
JPH0260497U true JPH0260497U (en) 1990-05-02
JPH0739358Y2 JPH0739358Y2 (en) 1995-09-06

Family

ID=31402400

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988139284U Expired - Lifetime JPH0739358Y2 (en) 1988-10-27 1988-10-27 Spindle motor drive circuit

Country Status (1)

Country Link
JP (1) JPH0739358Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0538188A (en) * 1991-07-30 1993-02-12 Nec Corp Pulse output unit

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4935925A (en) * 1972-08-09 1974-04-03
JPS6216088A (en) * 1985-07-10 1987-01-24 Hitachi Ltd Driving circuit for dc motor

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4935925A (en) * 1972-08-09 1974-04-03
JPS6216088A (en) * 1985-07-10 1987-01-24 Hitachi Ltd Driving circuit for dc motor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0538188A (en) * 1991-07-30 1993-02-12 Nec Corp Pulse output unit

Also Published As

Publication number Publication date
JPH0739358Y2 (en) 1995-09-06

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