DE68915922T2 - Anordnung zum Abtasten eines Aufzeichnungsträgers sowie Regelschaltung zum Anwenden in einer derartigen Anordnung. - Google Patents

Anordnung zum Abtasten eines Aufzeichnungsträgers sowie Regelschaltung zum Anwenden in einer derartigen Anordnung.

Info

Publication number
DE68915922T2
DE68915922T2 DE68915922T DE68915922T DE68915922T2 DE 68915922 T2 DE68915922 T2 DE 68915922T2 DE 68915922 T DE68915922 T DE 68915922T DE 68915922 T DE68915922 T DE 68915922T DE 68915922 T2 DE68915922 T2 DE 68915922T2
Authority
DE
Germany
Prior art keywords
error signal
deviation
velocity
control circuit
range
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
DE68915922T
Other languages
English (en)
Other versions
DE68915922D1 (de
Inventor
Martinus Petrus Maria Bierhoff
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
Application granted granted Critical
Publication of DE68915922D1 publication Critical patent/DE68915922D1/de
Publication of DE68915922T2 publication Critical patent/DE68915922T2/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
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
    • G11B7/08505—Methods for track change, selection or preliminary positioning by moving the head
    • G11B7/08541—Methods for track change, selection or preliminary positioning by moving the head involving track counting to determine position
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B21/00—Head arrangements not specific to the method of recording or reproducing
    • G11B21/02—Driving or moving of heads
    • G11B21/10—Track finding or aligning by moving the head ; Provisions for maintaining alignment of the head relative to the track during transducing operation, i.e. track following
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
    • G11B7/08505—Methods for track change, selection or preliminary positioning by moving the head
    • G11B7/08517—Methods for track change, selection or preliminary positioning by moving the head with tracking pull-in only
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
    • G11B7/08505—Methods for track change, selection or preliminary positioning by moving the head
    • G11B7/08529—Methods and circuits to control the velocity of the head as it traverses the tracks
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0946—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following specially adapted for operation during external perturbations not related to the carrier or servo beam, e.g. vibration

Landscapes

  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Recording Measured Values (AREA)
  • Moving Of The Head To Find And Align With The Track (AREA)
  • Control Of Position Or Direction (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Fuel-Injection Apparatus (AREA)
DE68915922T 1988-10-05 1989-09-29 Anordnung zum Abtasten eines Aufzeichnungsträgers sowie Regelschaltung zum Anwenden in einer derartigen Anordnung. Expired - Fee Related DE68915922T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8802435A NL8802435A (nl) 1988-10-05 1988-10-05 Inrichting voor het aftasten van een registratiedrager, alsmede een regelschakeling voor toepassing in een dergelijke inrichting.

Publications (2)

Publication Number Publication Date
DE68915922D1 DE68915922D1 (de) 1994-07-14
DE68915922T2 true DE68915922T2 (de) 1994-12-15

Family

ID=19852995

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68915922T Expired - Fee Related DE68915922T2 (de) 1988-10-05 1989-09-29 Anordnung zum Abtasten eines Aufzeichnungsträgers sowie Regelschaltung zum Anwenden in einer derartigen Anordnung.

Country Status (9)

Country Link
US (1) US5036506A (de)
EP (1) EP0362938B1 (de)
JP (1) JP2759686B2 (de)
KR (1) KR0173448B1 (de)
CN (1) CN1017571B (de)
AT (1) ATE107072T1 (de)
DE (1) DE68915922T2 (de)
HK (1) HK44896A (de)
NL (1) NL8802435A (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5270988A (en) * 1988-08-08 1993-12-14 Olympus Optical Co., Ltd. Optical recording and reproducing apparatus making access by multitrack jump
JP2804118B2 (ja) * 1989-10-03 1998-09-24 株式会社東芝 トラッキング制御装置
JP2808747B2 (ja) * 1989-11-15 1998-10-08 ソニー株式会社 トラックジャンプ制御回路
JPH04123372A (ja) * 1990-09-13 1992-04-23 Sony Corp シーク制御回路
CA2068329C (en) * 1990-09-18 1998-10-13 Ronald James Kadlec Digital servo control system for use in disk drives
JPH04137275A (ja) * 1990-09-28 1992-05-12 Toshiba Corp ピックアップの速度検出装置
US5426545A (en) * 1991-05-09 1995-06-20 Sidman; Michael D. Active disturbance compensation system for disk drives
DE69323397T2 (de) * 1992-11-20 1999-08-26 Koninkl Philips Electronics Nv Abtastvorrichtung mit einer Zweistufensteuerung zum Positionieren eines Abtastpunktes
EP0599392B1 (de) * 1992-11-20 1999-02-03 Koninklijke Philips Electronics N.V. Abtastvorrichtung mit einer Zweistufensteuerung zum Positionieren eines Abtastpunktes
US5978329A (en) 1995-06-07 1999-11-02 Discovision Associates Technique for closed loop servo operation in optical disc tracking control
EP0777218B1 (de) 1995-12-06 2001-05-16 Discovision Associates Gerät und Verfahren zum Regeln der Fokussierung
US5689485A (en) 1996-04-01 1997-11-18 Discovision Associates Tracking control apparatus and method
KR100223633B1 (ko) * 1996-12-31 1999-10-15 윤종용 하드 디스크 드라이브에서 헤드속도 측정을 이용한 안정 기록방법
US6285522B1 (en) 1998-06-05 2001-09-04 Seagate Technology Llc Rotational vibration compensation using a dedicated surface with a constant frequency pattern
US6304406B1 (en) 1998-06-05 2001-10-16 Seagate Technology Llc Rotational vibration compensation using a fixed head and a constant frequency pattern
US6222336B1 (en) 1998-06-05 2001-04-24 Seagate Technology Llc Rotational vibration detection using spindle motor velocity sense coils
US6088185A (en) * 1998-06-05 2000-07-11 Seagate Technology, Inc. Rotational vibration detection using a velocity sense coil
KR100356517B1 (ko) * 2000-08-22 2002-10-18 엘지산전 주식회사 엘리베이터의 속도패턴 발생 방법
WO2005008639A2 (en) * 2003-07-17 2005-01-27 Koninklijke Philips Electronics N.V. Servo system
JP2021149987A (ja) * 2020-03-18 2021-09-27 株式会社東芝 磁気ディスク装置及びサーボライト方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8001974A (nl) * 1980-04-03 1981-11-02 Philips Nv Spoorvolginrichting.
JPS57176568A (en) * 1981-04-22 1982-10-29 Pioneer Electronic Corp Relative movement controller between pickup and recording track for information reader
JPS6010429A (ja) * 1983-06-30 1985-01-19 Toshiba Corp 光デイスク装置
JPS61977A (ja) * 1984-06-13 1986-01-06 Pioneer Electronic Corp トラツキングサ−ボ装置
JPH0749524Y2 (ja) * 1984-12-17 1995-11-13 ナカミチ株式会社 移動体の移動制御装置
US4740939A (en) * 1985-05-22 1988-04-26 Hitachi Ltd. Apparatus for reproducing information recorded on a disk
NL8602911A (nl) * 1986-11-17 1988-06-16 Philips Nv Inrichting voor het inschrijven en/of uitlezen van informatie in respektievelijk uit een schijfvormige registratiedrager.
JP2696822B2 (ja) * 1987-01-22 1998-01-14 ソニー株式会社 トラツキングサーボ装置

Also Published As

Publication number Publication date
CN1017571B (zh) 1992-07-22
KR0173448B1 (ko) 1999-04-15
EP0362938A1 (de) 1990-04-11
JPH02148475A (ja) 1990-06-07
NL8802435A (nl) 1990-05-01
KR900006930A (ko) 1990-05-09
CN1041662A (zh) 1990-04-25
US5036506A (en) 1991-07-30
HK44896A (en) 1996-03-22
EP0362938B1 (de) 1994-06-08
JP2759686B2 (ja) 1998-05-28
ATE107072T1 (de) 1994-06-15
DE68915922D1 (de) 1994-07-14

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: PHILIPS ELECTRONICS N.V., EINDHOVEN, NL

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

Owner name: KONINKLIJKE PHILIPS ELECTRONICS N.V., EINDHOVEN, N

8339 Ceased/non-payment of the annual fee