DE69120354T2 - Servosystem zum Spurfolgen - Google Patents

Servosystem zum Spurfolgen

Info

Publication number
DE69120354T2
DE69120354T2 DE69120354T DE69120354T DE69120354T2 DE 69120354 T2 DE69120354 T2 DE 69120354T2 DE 69120354 T DE69120354 T DE 69120354T DE 69120354 T DE69120354 T DE 69120354T DE 69120354 T2 DE69120354 T2 DE 69120354T2
Authority
DE
Germany
Prior art keywords
tracking
servo system
servo
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
DE69120354T
Other languages
English (en)
Other versions
DE69120354D1 (de
Inventor
Yuji Tawaragi
Satoshi Kusano
Toshio Suzuki
Noriko Obitsu
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.)
Pioneer Corp
Original Assignee
Pioneer Electronic 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
Application filed by Pioneer Electronic Corp filed Critical Pioneer Electronic Corp
Publication of DE69120354D1 publication Critical patent/DE69120354D1/de
Application granted granted Critical
Publication of DE69120354T2 publication Critical patent/DE69120354T2/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
    • G11B7/09—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
    • G11B7/0901—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 for track following only
    • G11B7/0906—Differential phase difference systems
    • 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
DE69120354T 1990-07-20 1991-03-18 Servosystem zum Spurfolgen Expired - Fee Related DE69120354T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2192058A JPH0479035A (ja) 1990-07-20 1990-07-20 トラッキングサーボ装置

Publications (2)

Publication Number Publication Date
DE69120354D1 DE69120354D1 (de) 1996-07-25
DE69120354T2 true DE69120354T2 (de) 1996-10-31

Family

ID=16284920

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69120354T Expired - Fee Related DE69120354T2 (de) 1990-07-20 1991-03-18 Servosystem zum Spurfolgen

Country Status (4)

Country Link
US (1) US5164646A (de)
EP (1) EP0471917B1 (de)
JP (1) JPH0479035A (de)
DE (1) DE69120354T2 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3932833A1 (de) * 1989-09-30 1991-04-11 Thomson Brandt Gmbh Zaehlvorrichtung
EP0562595A3 (en) * 1992-03-26 1994-07-06 Matsushita Electric Ind Co Ltd Apparatus for positioning optical head on a track of rotating disk
JPH07129973A (ja) * 1993-10-29 1995-05-19 Pioneer Electron Corp サンプルドサーボ方式のトラッキング装置
DE10041426A1 (de) * 2000-08-23 2002-03-07 Thomson Brandt Gmbh Verfahren zur Spurführung in einem Gerät zum Lesen und/oder Beschreiben eines optischen Aufzeichnungsträgers sowie entsprechendes Gerät zum Lesen und/oder Beschreiben eines optischen Aufzeichnungsträgers
JP4543244B2 (ja) * 2001-02-20 2010-09-15 船井電機株式会社 トラックジャンプ制御装置およびトラックジャンプ方法
JP2006172581A (ja) * 2004-12-15 2006-06-29 Hitachi Ltd 情報記録装置、情報再生装置
CN109782889A (zh) * 2019-01-30 2019-05-21 廖金群 拔电后快速熄屏的处理方法、装置、电子设备和存储介质

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60103527A (ja) * 1983-11-09 1985-06-07 Hitachi Ltd 光デイスク装置
JPS60205836A (ja) * 1984-03-30 1985-10-17 Hitachi Ltd 記録情報再生装置用スキツプ回路
DE3520189A1 (de) * 1985-06-05 1986-12-11 Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen Verfahren fuer das spurspringen bei spursuchvorgaengen und schaltungsanordnung zur durchfuehrung des verfahrens
JPH067413B2 (ja) * 1985-07-03 1994-01-26 株式会社リコー 光ピツクアツプのトラツキング制御方式
JPH0727649B2 (ja) * 1986-04-22 1995-03-29 松下電器産業株式会社 ジヤンピング走査装置
JPH0679420B2 (ja) * 1986-06-06 1994-10-05 パイオニア株式会社 トラツキングサ−ボ装置
JPH0731872B2 (ja) * 1986-11-14 1995-04-10 パイオニア株式会社 時間軸制御方式
JPS63131332A (ja) * 1986-11-21 1988-06-03 Ricoh Co Ltd 光ピツクアツプのトラツキング制御装置
JPH073731B2 (ja) * 1987-04-28 1995-01-18 シャープ株式会社 光ディスク装置におけるトラックジャンプ制御方法
JPH0748257B2 (ja) * 1987-05-07 1995-05-24 富士通株式会社 光ディスク装置のマルチトラックジャンプ回路
JPS643826A (en) * 1987-06-25 1989-01-09 Mitsubishi Electric Corp Optical disk device
JPS6442031A (en) * 1987-08-06 1989-02-14 Mitsubishi Electric Corp Optical disk device
JPS6460879A (en) * 1987-09-01 1989-03-07 Pioneer Electronic Corp Scanning method in disk player
JPH0782722B2 (ja) * 1988-09-13 1995-09-06 パイオニア株式会社 トラッキングサーボ装置
JP2546882B2 (ja) * 1988-09-16 1996-10-23 パイオニア株式会社 トラッキングサーボ装置
JPH02185720A (ja) * 1989-01-12 1990-07-20 Matsushita Electric Ind Co Ltd 光学的記録再生装置のトラックジャンプ制御装置
JP2646130B2 (ja) * 1989-03-13 1997-08-25 パイオニア株式会社 トラックジャンプ駆動装置
JP2746305B2 (ja) * 1989-05-19 1998-05-06 キヤノン株式会社 光学的情報記録再生装置
US4972350A (en) * 1989-05-26 1990-11-20 Literal Corporation Position mode track seek servo for high capacity disk drive system
US5050146A (en) * 1989-07-31 1991-09-17 Literal Corporation Track seek recovery system and method

Also Published As

Publication number Publication date
DE69120354D1 (de) 1996-07-25
EP0471917A3 (en) 1992-10-21
EP0471917B1 (de) 1996-06-19
US5164646A (en) 1992-11-17
EP0471917A2 (de) 1992-02-26
JPH0479035A (ja) 1992-03-12

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee