JPS62168797U - - Google Patents

Info

Publication number
JPS62168797U
JPS62168797U JP1986056224U JP5622486U JPS62168797U JP S62168797 U JPS62168797 U JP S62168797U JP 1986056224 U JP1986056224 U JP 1986056224U JP 5622486 U JP5622486 U JP 5622486U JP S62168797 U JPS62168797 U JP S62168797U
Authority
JP
Japan
Prior art keywords
motor
drive signals
output signal
hall element
circuit
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
JP1986056224U
Other languages
English (en)
Other versions
JPH0811070Y2 (ja
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 JP1986056224U priority Critical patent/JPH0811070Y2/ja
Publication of JPS62168797U publication Critical patent/JPS62168797U/ja
Application granted granted Critical
Publication of JPH0811070Y2 publication Critical patent/JPH0811070Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Description

【図面の簡単な説明】
第1図は、本考案の一実施例を示す回路図、第
2図は従来のモータ駆動回路を示す回路図、第3
図はその動作を説明する為の特性図、及び第4図
は第1図の増幅回路の具体回路例を示す回路図で
ある。 15…検出回路、16…比較回路、17,18
,19…増幅回路。

Claims (1)

    【実用新案登録請求の範囲】
  1. ホール素子の出力信号に応じて互いに120度
    の位相差となる3つの駆動信号を発生し、前記3
    つの駆動信号をモータコイルに供給することによ
    りモータの駆動を行うモータ駆動回路において、
    前記ホール素子の出力信号を増幅する増幅回路の
    利得をモータの回転速度に応じて切換える様にし
    たことを特徴とするモータ駆動回路。
JP1986056224U 1986-04-15 1986-04-15 モータ駆動回路 Expired - Lifetime JPH0811070Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1986056224U JPH0811070Y2 (ja) 1986-04-15 1986-04-15 モータ駆動回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986056224U JPH0811070Y2 (ja) 1986-04-15 1986-04-15 モータ駆動回路

Publications (2)

Publication Number Publication Date
JPS62168797U true JPS62168797U (ja) 1987-10-26
JPH0811070Y2 JPH0811070Y2 (ja) 1996-03-29

Family

ID=30884846

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986056224U Expired - Lifetime JPH0811070Y2 (ja) 1986-04-15 1986-04-15 モータ駆動回路

Country Status (1)

Country Link
JP (1) JPH0811070Y2 (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55147709A (en) * 1979-05-07 1980-11-17 Hitachi Ltd Driving circuit of three phase load

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55147709A (en) * 1979-05-07 1980-11-17 Hitachi Ltd Driving circuit of three phase load

Also Published As

Publication number Publication date
JPH0811070Y2 (ja) 1996-03-29

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