JPS62137763A - インデツクス回路 - Google Patents

インデツクス回路

Info

Publication number
JPS62137763A
JPS62137763A JP27772685A JP27772685A JPS62137763A JP S62137763 A JPS62137763 A JP S62137763A JP 27772685 A JP27772685 A JP 27772685A JP 27772685 A JP27772685 A JP 27772685A JP S62137763 A JPS62137763 A JP S62137763A
Authority
JP
Japan
Prior art keywords
comparator
waveform
output
input signal
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
JP27772685A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0565949B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Hajime Kato
肇 加藤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nidec Corp
Original Assignee
Nidec Corp
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 Nidec Corp filed Critical Nidec Corp
Priority to JP27772685A priority Critical patent/JPS62137763A/ja
Publication of JPS62137763A publication Critical patent/JPS62137763A/ja
Publication of JPH0565949B2 publication Critical patent/JPH0565949B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Length Measuring Devices With Unspecified Measuring Means (AREA)
  • Rotational Drive Of Disk (AREA)
  • Manipulation Of Pulses (AREA)
JP27772685A 1985-12-09 1985-12-09 インデツクス回路 Granted JPS62137763A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP27772685A JPS62137763A (ja) 1985-12-09 1985-12-09 インデツクス回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP27772685A JPS62137763A (ja) 1985-12-09 1985-12-09 インデツクス回路

Publications (2)

Publication Number Publication Date
JPS62137763A true JPS62137763A (ja) 1987-06-20
JPH0565949B2 JPH0565949B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1993-09-20

Family

ID=17587463

Family Applications (1)

Application Number Title Priority Date Filing Date
JP27772685A Granted JPS62137763A (ja) 1985-12-09 1985-12-09 インデツクス回路

Country Status (1)

Country Link
JP (1) JPS62137763A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5995314A (en) * 1996-06-04 1999-11-30 Alps Electric Co. Ltd. Index signal generating circuit

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6275970A (ja) * 1985-09-27 1987-04-07 Hitachi Ltd 磁気デイスク駆動装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6275970A (ja) * 1985-09-27 1987-04-07 Hitachi Ltd 磁気デイスク駆動装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5995314A (en) * 1996-06-04 1999-11-30 Alps Electric Co. Ltd. Index signal generating circuit
US6166501A (en) * 1996-06-04 2000-12-26 Alps Electric Co., Ltd. Index signal generating circuit

Also Published As

Publication number Publication date
JPH0565949B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1993-09-20

Similar Documents

Publication Publication Date Title
US5552682A (en) Device for detecting rotational position of brushless motor
US4262526A (en) Rotational position detecting apparatus
US5686770A (en) Position detector of a brushless motor
JPS62137763A (ja) インデツクス回路
JPH0421066Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPH0138485Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPH08146031A (ja) 回転センサ
JP2810695B2 (ja) インクリメンタル方式の磁気エンコーダの零点検出方式
US6066929A (en) Frequency generator circuit for a brushless DC motor control system
KR19980037103A (ko) 1-홀 신호를 이용한 3상 비엘디씨 모터의 인덱스 검출 회로
US4682151A (en) Position to duty cycle conversion apparatus and method
JPH0236135Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPH03277155A (ja) 偏平型ブラシレスモータ
JPS61202213A (ja) インデツクス回路
JPH0721119Y2 (ja) ３相ブラシレスモータ
JPS608462B2 (ja) 電動機の回転速度検出装置
KR960009804Y1 (ko) 소형정밀모터의 회전주파수 발생장치
JPH112506A (ja) モータのロータ回転位置検出構造
JPH06147920A (ja) 磁気式エンコーダ
JPH0342325Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPS6323586Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPH01218379A (ja) モータ駆動回路
JPS62135720A (ja) 波形出力装置
JPS5910805A (ja) 内燃機関用回転位置検出装置
JPH0297290A (ja) モータの回転方向検出装置

Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees