JPS5288714A - Speed control circuit for brushless motor - Google Patents

Speed control circuit for brushless motor

Info

Publication number
JPS5288714A
JPS5288714A JP764968A JP496876A JPS5288714A JP S5288714 A JPS5288714 A JP S5288714A JP 764968 A JP764968 A JP 764968A JP 496876 A JP496876 A JP 496876A JP S5288714 A JPS5288714 A JP S5288714A
Authority
JP
Japan
Prior art keywords
control circuit
speed control
brushless motor
driving coil
driving
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
JP764968A
Other languages
Japanese (ja)
Inventor
Mitsuru Sato
Tadashi Takahashi
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP764968A priority Critical patent/JPS5288714A/en
Publication of JPS5288714A publication Critical patent/JPS5288714A/en
Pending legal-status Critical Current

Links

Landscapes

  • Control Of Motors That Do Not Use Commutators (AREA)

Abstract

PURPOSE: In case of driving a permanent magnet rotor in the provision of a driving coil, a Hall element, an amplifier, etc., to improve the load characteristic by means of inserting a resistor between a counter starting voltage detecting diode and a smoothing condenser, to remove the abnormal voltage produced on the driving coil.
COPYRIGHT: (C)1977,JPO&Japio
JP764968A 1976-01-21 1976-01-21 Speed control circuit for brushless motor Pending JPS5288714A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP764968A JPS5288714A (en) 1976-01-21 1976-01-21 Speed control circuit for brushless motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP764968A JPS5288714A (en) 1976-01-21 1976-01-21 Speed control circuit for brushless motor

Publications (1)

Publication Number Publication Date
JPS5288714A true JPS5288714A (en) 1977-07-25

Family

ID=11598378

Family Applications (1)

Application Number Title Priority Date Filing Date
JP764968A Pending JPS5288714A (en) 1976-01-21 1976-01-21 Speed control circuit for brushless motor

Country Status (1)

Country Link
JP (1) JPS5288714A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58154387A (en) * 1982-03-09 1983-09-13 Matsushita Electric Ind Co Ltd Brushless DC motor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58154387A (en) * 1982-03-09 1983-09-13 Matsushita Electric Ind Co Ltd Brushless DC motor

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