HK18189A - Time base error correction for optical disc players - Google Patents

Time base error correction for optical disc players

Info

Publication number
HK18189A
HK18189A HK181/89A HK18189A HK18189A HK 18189 A HK18189 A HK 18189A HK 181/89 A HK181/89 A HK 181/89A HK 18189 A HK18189 A HK 18189A HK 18189 A HK18189 A HK 18189A
Authority
HK
Hong Kong
Prior art keywords
error correction
optical disc
time base
disc players
base error
Prior art date
Application number
HK181/89A
Other languages
English (en)
Inventor
Ludwig Ceshkovsky
Wayne Ray Dakin
Original Assignee
Discovision Ass
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25396978&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=HK18189(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Discovision Ass filed Critical Discovision Ass
Publication of HK18189A publication Critical patent/HK18189A/xx

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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • 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
    • 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
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/005—Reproducing
    • 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
    • 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
    • G11B7/08511—Methods for track change, selection or preliminary positioning by moving the head with focus 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
    • G11B7/09—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
    • 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
    • G11B7/0941—Methods and circuits for servo gain or phase compensation during operation
    • 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
    • G11B7/0908—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 focusing only

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
  • Automatic Focus Adjustment (AREA)
  • Rotational Drive Of Disk (AREA)
  • Television Signal Processing For Recording (AREA)
  • Moving Of Head For Track Selection And Changing (AREA)
  • Moving Of The Head To Find And Align With The Track (AREA)
HK181/89A 1978-03-27 1989-03-02 Time base error correction for optical disc players HK18189A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US89067078A 1978-03-27 1978-03-27

Publications (1)

Publication Number Publication Date
HK18189A true HK18189A (en) 1989-03-10

Family

ID=25396978

Family Applications (5)

Application Number Title Priority Date Filing Date
HK506/86A HK50686A (en) 1978-03-27 1986-07-03 Disc spindle servo system
HK505/86A HK50586A (en) 1978-03-27 1986-07-03 Signal correction system and method
HK507/86A HK50786A (en) 1978-03-27 1986-07-03 Focus servo system and focussing method
HK180/89A HK18089A (en) 1978-03-27 1989-03-02 Optical tracking method and system
HK181/89A HK18189A (en) 1978-03-27 1989-03-02 Time base error correction for optical disc players

Family Applications Before (4)

Application Number Title Priority Date Filing Date
HK506/86A HK50686A (en) 1978-03-27 1986-07-03 Disc spindle servo system
HK505/86A HK50586A (en) 1978-03-27 1986-07-03 Signal correction system and method
HK507/86A HK50786A (en) 1978-03-27 1986-07-03 Focus servo system and focussing method
HK180/89A HK18089A (en) 1978-03-27 1989-03-02 Optical tracking method and system

Country Status (10)

Country Link
EP (6) EP0035288B1 (xx)
JP (13) JPS54128707A (xx)
CA (1) CA1140675A (xx)
DE (2) DE2911859A1 (xx)
DK (1) DK20079A (xx)
HK (5) HK50686A (xx)
MY (3) MY8700045A (xx)
NL (1) NL7900352A (xx)
NO (1) NO151872C (xx)
SE (1) SE7813460L (xx)

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JPS58100234A (ja) * 1981-12-10 1983-06-14 Teac Co 光学再生装置
JPS58102340A (ja) * 1981-12-11 1983-06-17 Teac Co 光学再生装置
JPS58121137A (ja) * 1982-01-09 1983-07-19 Sony Corp 光学式デイスク再生装置のフオ−カス引込み回路
DE3348470C2 (de) * 1982-01-16 1997-12-18 Sony Corp Einrichtung zum schnellen Bewegen einer Abtasteinrichtung für ein Informationssignal-Wiedergabegerät
DE3300951C2 (de) 1982-01-16 1994-10-27 Sony Corp Verfahren und Einrichtung zum schnellen Bewegen einer Abtasteinrichtung eines Informationssignal-Wiedergabegerätes
US4432083A (en) * 1982-02-17 1984-02-14 Burroughs Corporation Optical memory system having track following
FR2522269A1 (fr) * 1982-02-26 1983-09-02 Pasteur Institut Agents antitumoraux, tels que la daunorubicine, a efficacite amelioree, leur obtention et procede pour augmenter l'efficacite des agents antitumoraux
US4536863A (en) * 1982-04-15 1985-08-20 Discovision Associates Method and apparatus for recovering information from a videodisc
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DE3368794D1 (en) * 1982-05-19 1987-02-05 Burroughs Corp Optical memory system having improved positioning and focusing control circuitry
JPS5928828U (ja) * 1982-08-17 1984-02-22 パイオニア株式会社 情報検出用スポツト光の集束位置移動制御装置
JPS5942649A (ja) * 1982-09-02 1984-03-09 Mitsubishi Electric Corp 光学的サ−ボ装置
FR2591016B1 (fr) * 1982-10-15 1988-10-21 Pioneer Electronic Corp Systeme de commande de l'entrainement d'un disque
JPS59191141A (ja) * 1983-04-14 1984-10-30 Mitsubishi Electric Corp フオ−カスサ−ボ装置
JPS609021U (ja) * 1983-06-24 1985-01-22 日本電気ホームエレクトロニクス株式会社 光デイスクプレ−ヤのレンズ駆動回路
JPS6077023U (ja) * 1983-11-01 1985-05-29 パイオニア株式会社 記録情報読取装置のフオ−カスレンズ移動制御装置
JPS60131640A (ja) * 1983-12-20 1985-07-13 Canon Inc 光デイスク装置のトラツクアクセス方法
JPS60251529A (ja) * 1984-05-25 1985-12-12 Sony Corp 光学式ディスク・プレーヤ
JPS6122444A (ja) * 1984-07-10 1986-01-31 Toshiba Corp 光学式デイスク再生装置
JPS6164621U (xx) * 1984-09-29 1986-05-02
DE3508525A1 (de) * 1985-03-09 1986-09-11 Thomson Brandt Gmbh Fokus-such-einrichtung fuer beruehrungslose abtastung
EP0261916B1 (en) * 1986-09-20 1992-12-16 Pioneer Electronic Corporation Servomechanism for recording disk reproducing system
JP2614482B2 (ja) * 1988-03-11 1997-05-28 三洋電機株式会社 光学式デイスクプレーヤの信号再生回路
JP2642672B2 (ja) * 1988-06-29 1997-08-20 富士通株式会社 光ディスク装置
JP2570915B2 (ja) * 1991-04-12 1997-01-16 株式会社日立製作所 光スポット制御方法
JPH0828076B2 (ja) * 1991-04-15 1996-03-21 松下電器産業株式会社 トラック飛び越し走査装置
DE4211282A1 (de) * 1992-04-03 1993-10-07 Thomson Brandt Gmbh Korrektur statischer Tangentialfehler eines optischen Abtasters
CA2120509C (en) * 1992-11-30 2001-05-01 Jong-Yoon Yoon Disk read-out circuit
US6618118B2 (en) * 2001-05-08 2003-09-09 Asml Netherlands B.V. Optical exposure method, device manufacturing method and lithographic projection apparatus
JP5651282B2 (ja) 2007-07-03 2015-01-07 Ykk株式会社 バックル
GB2562499B (en) 2017-05-16 2022-03-23 Gen Electric Generating and/or encoding rotational data for a mechanical element over a digital network

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JPS5922289B2 (ja) * 1975-11-20 1984-05-25 ソニー株式会社 ジヨウホウケンシユツソウチ
JPS5817975B2 (ja) * 1975-12-10 1983-04-11 萬世工業株式会社 コウガクテキジヨウホウヨミトリソウチニオケル ジドウシヨウテンソウチオクドウスルクドウソウチ
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GB1572346A (en) * 1976-03-19 1980-07-30 Rca Corp Velocity and phase control for a disc recording and reproducing apparatus
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GB1585546A (en) * 1976-04-08 1981-03-04 Victor Company Of Japan Information signal recording system
JPS52153403A (en) * 1976-06-16 1977-12-20 Hitachi Ltd Address record reproduction
JPS5827888B2 (ja) * 1976-06-29 1983-06-13 日本ビクター株式会社 光ビ−ムのフオ−カスサ−ボ方式
JPS533305A (en) * 1976-06-30 1978-01-13 Mitsubishi Electric Corp Optical reproduction device

Also Published As

Publication number Publication date
JPS6259520B2 (xx) 1987-12-11
EP0035803A2 (en) 1981-09-16
NO151872C (no) 1985-06-19
JPH0329118A (ja) 1991-02-07
JPH063646B2 (ja) 1994-01-12
JPS6111969A (ja) 1986-01-20
DE2967537D1 (en) 1985-12-05
DE2911859C2 (xx) 1988-05-11
JPH06325375A (ja) 1994-11-25
JPH08147719A (ja) 1996-06-07
DE2911859A1 (de) 1979-10-04
EP0035288A2 (en) 1981-09-09
JPS6367255B2 (xx) 1988-12-23
MY8700046A (en) 1987-12-31
HK18089A (en) 1989-03-10
NO151872B (no) 1985-03-11
EP0035288A3 (en) 1982-03-10
EP0035287B1 (en) 1985-06-19
JPH03162723A (ja) 1991-07-12
JP2763084B2 (ja) 1998-06-11
EP0036222A2 (en) 1981-09-23
EP0035803B1 (en) 1985-03-06
JPH0434208B2 (xx) 1992-06-05
JPH076378A (ja) 1995-01-10
JPH0727646B2 (ja) 1995-03-29
JP2500226B2 (ja) 1996-05-29
EP0004476A1 (en) 1979-10-03
DK20079A (da) 1979-09-28
NL7900352A (nl) 1979-10-01
EP0035287A3 (en) 1982-04-14
JPS615692A (ja) 1986-01-11
SE7813460L (sv) 1979-09-28
JPS6323230A (ja) 1988-01-30
MY8700045A (en) 1987-12-31
JP2594412B2 (ja) 1997-03-26
EP0036222B1 (en) 1985-07-10
HK50586A (en) 1986-07-11
EP0035289A2 (en) 1981-09-09
MY8700035A (en) 1987-12-31
JPS6323231A (ja) 1988-01-30
EP0035288B1 (en) 1985-09-11
EP0035287A2 (en) 1981-09-09
EP0035803A3 (en) 1982-02-24
EP0035289A3 (en) 1982-03-10
HK50786A (en) 1986-07-11
JPS54128707A (en) 1979-10-05
CA1140675A (en) 1983-02-01
JPS6356612B2 (xx) 1988-11-08
JPS61930A (ja) 1986-01-06
JP2617270B2 (ja) 1997-06-04
JPS6111968A (ja) 1986-01-20
EP0004476B1 (en) 1985-10-30
EP0036222A3 (en) 1982-02-24
HK50686A (en) 1986-07-11
JPH0795516A (ja) 1995-04-07
JPH033289B2 (xx) 1991-01-18
NO790171L (no) 1979-09-28

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