DE3872914D1 - Geraet zur ablesung von aufzeichnungstraegern mit im wesentlichen konzentrischen oder spiralen spuren. - Google Patents

Geraet zur ablesung von aufzeichnungstraegern mit im wesentlichen konzentrischen oder spiralen spuren.

Info

Publication number
DE3872914D1
DE3872914D1 DE8888200633T DE3872914T DE3872914D1 DE 3872914 D1 DE3872914 D1 DE 3872914D1 DE 8888200633 T DE8888200633 T DE 8888200633T DE 3872914 T DE3872914 T DE 3872914T DE 3872914 D1 DE3872914 D1 DE 3872914D1
Authority
DE
Germany
Prior art keywords
signal
motor
disc
reading
circuit
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 - Lifetime
Application number
DE8888200633T
Other languages
English (en)
Other versions
DE3872914T2 (de
Inventor
Hilde Maria Alda Overath
Cornelius Antonius Hezemans
Johannes Leopoldus Bakx
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of DE3872914D1 publication Critical patent/DE3872914D1/de
Application granted granted Critical
Publication of DE3872914T2 publication Critical patent/DE3872914T2/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
    • G11B19/28—Speed controlling, regulating, or indicating
    • 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

  • Rotational Drive Of Disk (AREA)
  • Control Of Electric Motors In General (AREA)
  • Optical Recording Or Reproduction (AREA)
DE8888200633T 1987-04-08 1988-04-05 Geraet zur ablesung von aufzeichnungstraegern mit im wesentlichen konzentrischen oder spiralen spuren. Expired - Fee Related DE3872914T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8700818A NL8700818A (nl) 1987-04-08 1987-04-08 Inrichting voor het uitlezen van registratiedragers met in hoofdzaak koncentrische of spiraalvormige sporen.

Publications (2)

Publication Number Publication Date
DE3872914D1 true DE3872914D1 (de) 1992-08-27
DE3872914T2 DE3872914T2 (de) 1993-02-25

Family

ID=19849823

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8888200633T Expired - Fee Related DE3872914T2 (de) 1987-04-08 1988-04-05 Geraet zur ablesung von aufzeichnungstraegern mit im wesentlichen konzentrischen oder spiralen spuren.

Country Status (7)

Country Link
US (1) US4819221A (de)
EP (1) EP0286179B1 (de)
JP (1) JPS63257957A (de)
KR (1) KR880013148A (de)
AT (1) ATE78626T1 (de)
DE (1) DE3872914T2 (de)
NL (1) NL8700818A (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07106549B2 (ja) * 1988-10-12 1995-11-15 不二空機株式会社 インパクトレンチの締付制御装置
JP2737216B2 (ja) * 1989-03-15 1998-04-08 ソニー株式会社 ビデオディスクプレーヤ
JPH0369061A (ja) * 1989-08-07 1991-03-25 Pioneer Electron Corp 光ディスク記録再生装置のスピンドル制御装置
JPH0369062A (ja) * 1989-08-07 1991-03-25 Pioneer Electron Corp 光ディスク記録再生装置のスピンドル制御装置
JP2526113Y2 (ja) * 1992-07-24 1997-02-19 ミツミ電機株式会社 ディスク再生装置
US5633570A (en) * 1996-02-12 1997-05-27 Seagate Technology, Inc. Position feedback control of brushless DC motors from standstill
KR100416593B1 (ko) * 2001-03-30 2004-02-05 삼성전자주식회사 편심에러를 보상하는 광디스크 재생장치.

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2521821A1 (de) * 1975-05-16 1976-11-25 Bosch Gmbh Robert Videoplattengeraet
JPS6031428Y2 (ja) * 1975-08-28 1985-09-19 パイオニア株式会社 モ−タサ−ボ回路
GB1572346A (en) * 1976-03-19 1980-07-30 Rca Corp Velocity and phase control for a disc recording and reproducing apparatus
US4313191A (en) * 1978-06-30 1982-01-26 Discovision Associates Recording medium having a pilot signal with an aligned phase angle in adjacent tracks
JPS5764371A (en) * 1980-09-30 1982-04-19 Toshiba Corp Rotation control system of disk recording medium
US4481615A (en) * 1981-02-02 1984-11-06 Sanyo Electric Co., Ltd. Motor controlling circuit of reproducing apparatus and method of controlling
US4710825A (en) * 1983-05-26 1987-12-01 Nippon Kogaku K.K. Disc recording system with speed control
JPS60113680A (ja) * 1983-11-22 1985-06-20 Victor Co Of Japan Ltd モ−タの回転制御装置
JPS60195772A (ja) * 1984-03-16 1985-10-04 Pioneer Electronic Corp 記録ディスク回転駆動制御装置

Also Published As

Publication number Publication date
ATE78626T1 (de) 1992-08-15
EP0286179B1 (de) 1992-07-22
KR880013148A (ko) 1988-11-30
US4819221A (en) 1989-04-04
EP0286179A1 (de) 1988-10-12
DE3872914T2 (de) 1993-02-25
JPS63257957A (ja) 1988-10-25
NL8700818A (nl) 1988-11-01

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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: PHILIPS ELECTRONICS N.V., EINDHOVEN, NL

8339 Ceased/non-payment of the annual fee