JPS6159075B2 - - Google Patents

Info

Publication number
JPS6159075B2
JPS6159075B2 JP54091574A JP9157479A JPS6159075B2 JP S6159075 B2 JPS6159075 B2 JP S6159075B2 JP 54091574 A JP54091574 A JP 54091574A JP 9157479 A JP9157479 A JP 9157479A JP S6159075 B2 JPS6159075 B2 JP S6159075B2
Authority
JP
Japan
Prior art keywords
circuit
stator coil
amplitude
voltage
output voltage
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.)
Expired
Application number
JP54091574A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5619395A (en
Inventor
Tadashi Saito
Toshihiko Nakajima
Toshio Osada
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 JP9157479A priority Critical patent/JPS5619395A/ja
Priority to US06/169,795 priority patent/US4356437A/en
Publication of JPS5619395A publication Critical patent/JPS5619395A/ja
Publication of JPS6159075B2 publication Critical patent/JPS6159075B2/ja
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/20Driving; Starting; Stopping; Control thereof
    • G11B19/2009Turntables, hubs and motors for disk drives; Mounting of motors in the drive
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02PCONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P6/00Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
    • H02P6/14Electronic commutators

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
JP9157479A 1979-07-20 1979-07-20 Dc motor control circuit Granted JPS5619395A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP9157479A JPS5619395A (en) 1979-07-20 1979-07-20 Dc motor control circuit
US06/169,795 US4356437A (en) 1979-07-20 1980-07-17 Control circuit for DC motors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9157479A JPS5619395A (en) 1979-07-20 1979-07-20 Dc motor control circuit

Publications (2)

Publication Number Publication Date
JPS5619395A JPS5619395A (en) 1981-02-24
JPS6159075B2 true JPS6159075B2 (US06623731-20030923-C00012.png) 1986-12-15

Family

ID=14030295

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9157479A Granted JPS5619395A (en) 1979-07-20 1979-07-20 Dc motor control circuit

Country Status (1)

Country Link
JP (1) JPS5619395A (US06623731-20030923-C00012.png)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5812566A (ja) * 1981-07-14 1983-01-24 Yoshiteru Takahashi 電機子巻線を7個以上有するブラシレスモ−タ
US4507591A (en) * 1983-07-26 1985-03-26 Rca Corporation Linear pulse width to current converter for brushless DC motors
JPH0736713B2 (ja) * 1985-09-20 1995-04-19 ソニー株式会社 ブラシレスモ−タ

Also Published As

Publication number Publication date
JPS5619395A (en) 1981-02-24

Similar Documents

Publication Publication Date Title
US4135120A (en) Drive circuit for a brushless motor
US4356437A (en) Control circuit for DC motors
US5777449A (en) Torque ripple reduction using back-emf feedback
US4651067A (en) Apparatus for driving brushless motor
US4405885A (en) Brushless dc motor
JP2569736B2 (ja) 回転位置検出装置
US4066935A (en) Stator winding control circuit for a brushless d.c. motor
JP2568737B2 (ja) 無整流子モータの駆動装置
JP2006042423A (ja) ピークホールド回路、それを備えるモータ駆動制御回路、及びそれを備えるモータ装置
JPS6159075B2 (US06623731-20030923-C00012.png)
JPS6210119B2 (US06623731-20030923-C00012.png)
KR100269793B1 (ko) 인덱스신호형성회로
US5291104A (en) DC commutatorless motor
JPS6217480B2 (US06623731-20030923-C00012.png)
JP3671300B2 (ja) 制限回路及びそれを用いた電動機駆動装置
JPH05137381A (ja) ブラシレスモータの駆動回路
JPH0376119B2 (US06623731-20030923-C00012.png)
JPS6333395B2 (US06623731-20030923-C00012.png)
JPS6233839B2 (US06623731-20030923-C00012.png)
JP2001236721A (ja) スピンドルモータのインデックス位置検出装置及びそれを備えたモータ装置
JP3333318B2 (ja) 出力トランジスタの飽和防止回路
JPS6147447B2 (US06623731-20030923-C00012.png)
JP2541194B2 (ja) ブラシレスモ−タ
JP2629656B2 (ja) 回転位置検出装置
JPH07131965A (ja) 回転位置検出装置