DE3712769C2 - - Google Patents

Info

Publication number
DE3712769C2
DE3712769C2 DE3712769A DE3712769A DE3712769C2 DE 3712769 C2 DE3712769 C2 DE 3712769C2 DE 3712769 A DE3712769 A DE 3712769A DE 3712769 A DE3712769 A DE 3712769A DE 3712769 C2 DE3712769 C2 DE 3712769C2
Authority
DE
Germany
Prior art keywords
motor
speed
current
output signal
current limiter
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
DE3712769A
Other languages
German (de)
English (en)
Other versions
DE3712769A1 (de
Inventor
Keizo Kamakura Kanagawa Jp Hama
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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
Priority claimed from JP61086350A external-priority patent/JPH0697537B2/ja
Priority claimed from JP11550886A external-priority patent/JPS62271253A/ja
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of DE3712769A1 publication Critical patent/DE3712769A1/de
Application granted granted Critical
Publication of DE3712769C2 publication Critical patent/DE3712769C2/de
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, 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
    • G11B19/20—Driving; Starting; Stopping; Control thereof

Landscapes

  • Control Of Motors That Do Not Use Commutators (AREA)
  • Motor And Converter Starters (AREA)
DE19873712769 1986-04-15 1987-04-15 Spindelmotorantrieb fuer ein plattengeraet Granted DE3712769A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP61086350A JPH0697537B2 (ja) 1986-04-15 1986-04-15 磁気デイスク装置
JP11550886A JPS62271253A (ja) 1986-05-20 1986-05-20 磁気デイスク装置

Publications (2)

Publication Number Publication Date
DE3712769A1 DE3712769A1 (de) 1987-10-22
DE3712769C2 true DE3712769C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1989-09-07

Family

ID=26427488

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19873712769 Granted DE3712769A1 (de) 1986-04-15 1987-04-15 Spindelmotorantrieb fuer ein plattengeraet

Country Status (3)

Country Link
US (1) US4780773A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3712769A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2597250B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1988001111A1 (en) * 1986-08-06 1988-02-11 Fujitsu Limited Dc motor drive system
FR2626118B1 (fr) * 1988-01-19 1990-06-29 Rockwell Cim Dispositif de controle d'un moteur a courant continu destine notamment a commande d'ouvrants sur des vehicules automobiles
JP2684772B2 (ja) * 1989-06-01 1997-12-03 ソニー株式会社 アクチュエータの駆動回路
EP0441030B1 (en) * 1990-02-06 1996-10-09 Seagate Technology International Motor brake circuit for use in a magnetic disk drive system
JP2926909B2 (ja) * 1990-06-26 1999-07-28 ソニー株式会社 デイスクドライブ装置
JP3136321B2 (ja) * 1991-07-15 2001-02-19 ローム株式会社 モータ制御回路およびモータ制御装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT89021B (de) * 1916-01-29 1922-07-25 Siemens Schuckertwerke Wien Anlaßeinrichtung für Gleichstrom-Nebenschlußmotoren.
JPS5322704A (en) * 1976-08-16 1978-03-02 Hitachi Ltd Rotation damping device of tu rntable
FR2466075A1 (fr) * 1979-09-21 1981-03-27 Philips Ind Commerciale Tourne-disque a plateau directement entraine par son moteur
GB2077961A (en) * 1980-06-13 1981-12-23 Bsr Ltd Turntable speed control
JPS57183281A (en) * 1981-05-06 1982-11-11 Nec Corp Controlling circuit for number of revolution
JPS58220582A (ja) * 1982-06-16 1983-12-22 Matsushita Electric Ind Co Ltd ビデオテ−プレコ−ダ
JPS60113680A (ja) * 1983-11-22 1985-06-20 Victor Co Of Japan Ltd モ−タの回転制御装置
JPS61236382A (ja) * 1985-04-09 1986-10-21 Citizen Watch Co Ltd 直流サ−ボモ−タの制御回路

Also Published As

Publication number Publication date
FR2597250B1 (fr) 1991-04-26
FR2597250A1 (fr) 1987-10-16
DE3712769A1 (de) 1987-10-22
US4780773A (en) 1988-10-25

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee