DE3783561D1 - Servovorrichtung fuer einen schlitten. - Google Patents

Servovorrichtung fuer einen schlitten.

Info

Publication number
DE3783561D1
DE3783561D1 DE8787309404T DE3783561T DE3783561D1 DE 3783561 D1 DE3783561 D1 DE 3783561D1 DE 8787309404 T DE8787309404 T DE 8787309404T DE 3783561 T DE3783561 T DE 3783561T DE 3783561 D1 DE3783561 D1 DE 3783561D1
Authority
DE
Germany
Prior art keywords
sled
servo device
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
DE8787309404T
Other languages
English (en)
Other versions
DE3783561T2 (de
Inventor
Kiyoshi Pioneer Elect Tateishi
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
Priority claimed from JP61253315A external-priority patent/JPH073734B2/ja
Priority claimed from JP61253316A external-priority patent/JP2577213B2/ja
Application filed by Pioneer Electronic Corp filed Critical Pioneer Electronic Corp
Application granted granted Critical
Publication of DE3783561D1 publication Critical patent/DE3783561D1/de
Publication of DE3783561T2 publication Critical patent/DE3783561T2/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
    • G11B21/00—Head arrangements not specific to the method of recording or reproducing
    • G11B21/02—Driving or moving of heads
    • G11B21/08—Track changing or selecting during transducing operation
    • G11B21/081—Access to indexed tracks or parts of continuous track
    • G11B21/083—Access to indexed tracks or parts of continuous track on discs
    • G11B21/085—Access to indexed tracks or parts of continuous track on discs with track following of accessed part
    • 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
    • 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
DE8787309404T 1986-10-24 1987-10-23 Servovorrichtung fuer einen schlitten. Expired - Fee Related DE3783561T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP61253315A JPH073734B2 (ja) 1986-10-24 1986-10-24 スライダ−サ−ボ装置
JP61253316A JP2577213B2 (ja) 1986-10-24 1986-10-24 スライダ−サ−ボ装置

Publications (2)

Publication Number Publication Date
DE3783561D1 true DE3783561D1 (de) 1993-02-25
DE3783561T2 DE3783561T2 (de) 1993-05-06

Family

ID=26541141

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787309404T Expired - Fee Related DE3783561T2 (de) 1986-10-24 1987-10-23 Servovorrichtung fuer einen schlitten.

Country Status (3)

Country Link
US (1) US4827464A (de)
EP (1) EP0265287B1 (de)
DE (1) DE3783561T2 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0654542B2 (ja) * 1987-08-28 1994-07-20 富士通株式会社 光学記憶装置
JP2672574B2 (ja) * 1988-05-31 1997-11-05 株式会社東芝 情報記録再生装置
JPH02103790A (ja) * 1988-10-11 1990-04-16 Pioneer Electron Corp トラッキングサーボ装置
JPH02263367A (ja) * 1989-04-04 1990-10-26 Pioneer Electron Corp ディスクプレーヤのピックアップ駆動装置
JP3074877B2 (ja) * 1991-11-22 2000-08-07 ソニー株式会社 光ディスクプレーヤ
TWI253636B (en) * 2003-11-19 2006-04-21 Mediatek Inc Apparatus with switching servo gain and offset for optical disk device and method thereof
US20080316877A1 (en) * 2005-12-19 2008-12-25 Koninklijke Philips Electronics, N.V. Control Method for an Optical Drive with Different Bandwidths

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2039090B (en) * 1978-12-29 1983-03-23 Victor Company Of Japan Reproducing transducer feeding device in a rotary recording medium reproducing apparatus
JPS626580Y2 (de) * 1979-11-17 1987-02-16
JPS6215864Y2 (de) * 1980-08-04 1987-04-22
DE3367134D1 (en) * 1982-05-31 1986-11-27 Hitachi Ltd Servo circuit for a signal reproducing apparatus
JPS59145726U (ja) * 1983-03-16 1984-09-28 パイオニア株式会社 情報読取装置におけるサ−ボ装置
JPS6093172U (ja) * 1983-11-30 1985-06-25 パイオニア株式会社 記録情報再生装置
US4627039A (en) * 1983-12-23 1986-12-02 Magnetic Peripherals Inc. Head positioning servo system for optical recording with coarse and fine control
JP2548106B2 (ja) * 1984-05-23 1996-10-30 ソニー株式会社 光学式デイスクプレ−ヤのトラツキング・サ−ボコントロ−ル装置
US4627038A (en) * 1984-07-05 1986-12-02 Storage Technology Partners Ii Optical disk storage unit having a servo system with different velocity inputs
JPS6139275A (ja) * 1984-07-30 1986-02-25 Fujitsu Ltd 磁気デイスク装置用閉ル−プ制御回路
US4764860A (en) * 1985-06-26 1988-08-16 Nippon Gakki Seizo Kabushiki Kaisha Servo circuit for an information recording and/or reproducing apparatus

Also Published As

Publication number Publication date
US4827464A (en) 1989-05-02
DE3783561T2 (de) 1993-05-06
EP0265287A2 (de) 1988-04-27
EP0265287B1 (de) 1993-01-13
EP0265287A3 (en) 1989-07-19

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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