DE3877408D1 - Geraet zur wiedergabe einer optischen platte. - Google Patents

Geraet zur wiedergabe einer optischen platte.

Info

Publication number
DE3877408D1
DE3877408D1 DE8888303850T DE3877408T DE3877408D1 DE 3877408 D1 DE3877408 D1 DE 3877408D1 DE 8888303850 T DE8888303850 T DE 8888303850T DE 3877408 T DE3877408 T DE 3877408T DE 3877408 D1 DE3877408 D1 DE 3877408D1
Authority
DE
Germany
Prior art keywords
playing
optical disk
disk
optical
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
DE8888303850T
Other languages
English (en)
Other versions
DE3877408T2 (de
Inventor
Kunio Kojima
Noriaki Sakamoto
Toshihisa Deguchi
Daiji Yamane
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.)
Sharp Corp
Original Assignee
Sharp 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 Sharp Corp filed Critical Sharp Corp
Publication of DE3877408D1 publication Critical patent/DE3877408D1/de
Application granted granted Critical
Publication of DE3877408T2 publication Critical patent/DE3877408T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G11B7/08529—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
    • G11B7/085—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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P80/00—Climate change mitigation technologies for sector-wide applications
    • Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
    • Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
DE8888303850T 1987-04-28 1988-04-28 Geraet zur wiedergabe einer optischen platte. Expired - Lifetime DE3877408T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62107106A JPH073731B2 (ja) 1987-04-28 1987-04-28 光ディスク装置におけるトラックジャンプ制御方法

Publications (2)

Publication Number Publication Date
DE3877408D1 true DE3877408D1 (de) 1993-02-25
DE3877408T2 DE3877408T2 (de) 1993-05-27

Family

ID=14450617

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8888303850T Expired - Lifetime DE3877408T2 (de) 1987-04-28 1988-04-28 Geraet zur wiedergabe einer optischen platte.

Country Status (4)

Country Link
US (1) US4932013A (de)
EP (1) EP0289309B1 (de)
JP (1) JPH073731B2 (de)
DE (1) DE3877408T2 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2773132B2 (ja) * 1988-03-31 1998-07-09 松下電器産業株式会社 トラッキング制御装置
JPH0648542B2 (ja) * 1988-06-17 1994-06-22 パイオニア株式会社 トラッキングサーボ装置
JPH0654543B2 (ja) * 1988-07-22 1994-07-20 シャープ株式会社 光ピックアップのトラックジャンプ装置
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
US5185730A (en) * 1989-06-01 1993-02-09 Pioneer Electronic Corporation Method for reading data from optical disk
US5178885A (en) * 1989-06-20 1993-01-12 United Technologies Corporation Resin transfer mold
US5182736A (en) * 1989-10-12 1993-01-26 Fujitsu Limited Deceleration control system for positioning an optical head in an optical disk unit
US5235577A (en) * 1989-11-02 1993-08-10 Canon Kabushiki Kaisha Information recording and/or reproducing apparatus for timing switching of a jumping pulse from an intermittently detected tracking signal
JP2836756B2 (ja) * 1990-04-19 1998-12-14 オリンパス光学工業株式会社 光学的情報記録・再生装置のトラックジャンプ制御装置
US5046060A (en) * 1990-06-14 1991-09-03 International Business Machines Corporation Servo error controls
JPH0460974A (ja) * 1990-06-26 1992-02-26 Pioneer Electron Corp トラッキングサーボ装置
JPH0479035A (ja) * 1990-07-20 1992-03-12 Pioneer Electron Corp トラッキングサーボ装置
JPH1091983A (ja) * 1996-09-12 1998-04-10 Sony Corp 光学式ディスク装置およびトラッキングエラー信号算出回路
JPH1091971A (ja) * 1996-09-12 1998-04-10 Sony Corp 光学式ディスク装置のトラッキング制御装置とその方法
TW509913B (en) * 2001-03-21 2002-11-11 Via Tech Inc Optical disk driver tracking method
US7196977B2 (en) * 2002-10-31 2007-03-27 Matsushita Electric Industrial Co., Ltd. Track jump control circuit for accessing optical disk drive
JP4239094B2 (ja) 2004-03-03 2009-03-18 ノーリツ鋼機株式会社 画像処理装置、方法、及びプログラム

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7509906A (nl) * 1975-08-21 1977-02-23 Philips Nv Inrichting voor het uitlezen van een schijfvor- mige registratiedrager.
JPS5897138A (ja) * 1981-12-04 1983-06-09 Hitachi Ltd 光スポットの位置検出方法及び光スポットの位置制御装置
JPS61276134A (ja) * 1985-05-30 1986-12-06 Nippon Kogaku Kk <Nikon> トラツクジヤンプ制御装置
US4764860A (en) * 1985-06-26 1988-08-16 Nippon Gakki Seizo Kabushiki Kaisha Servo circuit for an information recording and/or reproducing apparatus
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

Also Published As

Publication number Publication date
EP0289309B1 (de) 1993-01-13
US4932013A (en) 1990-06-05
JPS63271774A (ja) 1988-11-09
DE3877408T2 (de) 1993-05-27
EP0289309A3 (en) 1989-10-18
EP0289309A2 (de) 1988-11-02
JPH073731B2 (ja) 1995-01-18

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition