JPS51140113A - Drive circuit of motor without brushes - Google Patents

Drive circuit of motor without brushes

Info

Publication number
JPS51140113A
JPS51140113A JP50064740A JP6474075A JPS51140113A JP S51140113 A JPS51140113 A JP S51140113A JP 50064740 A JP50064740 A JP 50064740A JP 6474075 A JP6474075 A JP 6474075A JP S51140113 A JPS51140113 A JP S51140113A
Authority
JP
Japan
Prior art keywords
brushes
motor
drive circuit
rotation
steadystate
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
JP50064740A
Other languages
Japanese (ja)
Other versions
JPS6212757B2 (en
Inventor
Nobuhiro Imai
Shinichi Matsuo
Takashi Nakano
Junichi Kimizuka
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP50064740A priority Critical patent/JPS51140113A/en
Publication of JPS51140113A publication Critical patent/JPS51140113A/en
Publication of JPS6212757B2 publication Critical patent/JPS6212757B2/ja
Granted legal-status Critical Current

Links

Abstract

PURPOSE:The conduction timing control to the drive coil by means of the counter electromotive force with scheming that the timing varies at the starting and in the steadystate rotation, to map out the enhancement of the efficiency during the steady-state rotation.
JP50064740A 1975-05-29 1975-05-29 Drive circuit of motor without brushes Granted JPS51140113A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50064740A JPS51140113A (en) 1975-05-29 1975-05-29 Drive circuit of motor without brushes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50064740A JPS51140113A (en) 1975-05-29 1975-05-29 Drive circuit of motor without brushes

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP57090767A Division JPS5826584A (en) 1982-05-28 1982-05-28 Driving circuit for brushless motor

Publications (2)

Publication Number Publication Date
JPS51140113A true JPS51140113A (en) 1976-12-02
JPS6212757B2 JPS6212757B2 (en) 1987-03-20

Family

ID=13266839

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50064740A Granted JPS51140113A (en) 1975-05-29 1975-05-29 Drive circuit of motor without brushes

Country Status (1)

Country Link
JP (1) JPS51140113A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60132196U (en) * 1984-02-10 1985-09-04 アスモ株式会社 Brushless motor drive circuit
JPS60132197U (en) * 1984-02-10 1985-09-04 アスモ株式会社 Brushless motor drive circuit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60132196U (en) * 1984-02-10 1985-09-04 アスモ株式会社 Brushless motor drive circuit
JPS60132197U (en) * 1984-02-10 1985-09-04 アスモ株式会社 Brushless motor drive circuit

Also Published As

Publication number Publication date
JPS6212757B2 (en) 1987-03-20

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