DE69028841T2 - Motorbremsschaltung zum Gebrauch in einem magnetischen Plattenantriebssystem - Google Patents

Motorbremsschaltung zum Gebrauch in einem magnetischen Plattenantriebssystem

Info

Publication number
DE69028841T2
DE69028841T2 DE1990628841 DE69028841T DE69028841T2 DE 69028841 T2 DE69028841 T2 DE 69028841T2 DE 1990628841 DE1990628841 DE 1990628841 DE 69028841 T DE69028841 T DE 69028841T DE 69028841 T2 DE69028841 T2 DE 69028841T2
Authority
DE
Germany
Prior art keywords
winding
disk
braking
spindle drive
spindle
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 - Fee Related
Application number
DE1990628841
Other languages
German (de)
English (en)
Other versions
DE69028841D1 (de
Inventor
William A Palm
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.)
Seagate Technology LLC
Original Assignee
Seagate Technology LLC
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 US07/475,704 external-priority patent/US4997598A/en
Application filed by Seagate Technology LLC filed Critical Seagate Technology LLC
Application granted granted Critical
Publication of DE69028841D1 publication Critical patent/DE69028841D1/de
Publication of DE69028841T2 publication Critical patent/DE69028841T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • G11B19/22—Brakes other than speed-regulating brakes

Landscapes

  • Rotational Drive Of Disk (AREA)
  • Stopping Of Electric Motors (AREA)
DE1990628841 1990-02-06 1990-10-26 Motorbremsschaltung zum Gebrauch in einem magnetischen Plattenantriebssystem Expired - Fee Related DE69028841T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/475,704 US4997598A (en) 1987-04-03 1988-06-28 Vaporizing device and method

Publications (2)

Publication Number Publication Date
DE69028841D1 DE69028841D1 (de) 1996-11-14
DE69028841T2 true DE69028841T2 (de) 1997-02-13

Family

ID=23888749

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1990628841 Expired - Fee Related DE69028841T2 (de) 1990-02-06 1990-10-26 Motorbremsschaltung zum Gebrauch in einem magnetischen Plattenantriebssystem

Country Status (4)

Country Link
EP (1) EP0441030B1 (enExample)
JP (1) JP2885385B2 (enExample)
DE (1) DE69028841T2 (enExample)
SG (1) SG47680A1 (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU702818B3 (en) * 1994-12-19 1999-03-04 Vale Statutory & Mining Services Pty Limited Electric motor control
DE69833355D1 (de) * 1997-06-13 2006-04-13 St Microelectronics Inc Bremsverriegelungschaltung bei Stromabschaltung für bürstenlosen Gleichstrommotor
SG75146A1 (en) * 1997-12-31 2000-09-19 Texas Instruments Inc Method and apparatus for braking a polyphase dc motor
JP6346583B2 (ja) * 2015-03-27 2018-06-20 ミネベアミツミ株式会社 モータ駆動制御装置およびこれを備えたファンモータシステム
FR3047853B1 (fr) * 2016-02-17 2019-10-11 Valeo Equipements Electriques Moteur Systeme de commande d'un onduleur d'un moteur electrique, systeme de moteur comportant un tel systeme de commande

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2470506A1 (fr) * 1979-11-27 1981-05-29 Thomson Brandt Dispositif de freinage d'un moteur de rotation, et lecteur de videodisque comprenant un tel dispositif
JPS57103164A (en) * 1980-12-18 1982-06-26 Toshiba Corp Rotation breaking device of magnetic disk device
JPH0728553B2 (ja) * 1982-03-31 1995-03-29 株式会社日立製作所 モータの駆動回路
JPS6248278A (ja) * 1985-08-27 1987-03-02 Toshiba Corp 直流モ−タの制御装置
US4780773A (en) * 1986-04-15 1988-10-25 Mitsubishi Denki Kabushiki Kaisha Motor control circuit with current limiter and bypass switch
US4831469A (en) * 1987-07-29 1989-05-16 International Business Machines Corporation Disk drive head retract and motor braking method and apparatus

Also Published As

Publication number Publication date
HK1006757A1 (en) 1999-03-12
DE69028841D1 (de) 1996-11-14
SG47680A1 (enExample) 1998-04-17
EP0441030A3 (en) 1992-09-09
EP0441030A2 (en) 1991-08-14
JPH03235684A (ja) 1991-10-21
JP2885385B2 (ja) 1999-04-19
EP0441030B1 (en) 1996-10-09

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: SEAGATE TECHNOLOGY LLC, SCOTTS VALLEY, CALIF., US

8328 Change in the person/name/address of the agent

Free format text: HENKEL, FEILER & HAENZEL, 81675 MUENCHEN

8339 Ceased/non-payment of the annual fee