NO151872C - Fokusservosystem i en videoplatespiller - Google Patents

Fokusservosystem i en videoplatespiller

Info

Publication number
NO151872C
NO151872C NO790171A NO790171A NO151872C NO 151872 C NO151872 C NO 151872C NO 790171 A NO790171 A NO 790171A NO 790171 A NO790171 A NO 790171A NO 151872 C NO151872 C NO 151872C
Authority
NO
Norway
Prior art keywords
player
focusing
video
vos
vos system
Prior art date
Application number
NO790171A
Other languages
English (en)
Norwegian (no)
Other versions
NO151872B (no
NO790171L (no
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=NO151872(C) "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 NO790171L publication Critical patent/NO790171L/no
Priority to NO844160A priority Critical patent/NO158701C/no
Priority to NO844157A priority patent/NO158700C/no
Priority to NO844158A priority patent/NO158702C/no
Priority to NO844159A priority patent/NO157519C/no
Publication of NO151872B publication Critical patent/NO151872B/no
Publication of NO151872C publication Critical patent/NO151872C/no

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)
  • Moving Of Head For Track Selection And Changing (AREA)
  • Moving Of The Head To Find And Align With The Track (AREA)
  • Television Signal Processing For Recording (AREA)
NO790171A 1978-03-27 1979-01-18 Fokusservosystem i en videoplatespiller NO151872C (no)

Priority Applications (4)

Application Number Priority Date Filing Date Title
NO844160A NO158701C (no) 1978-03-27 1984-10-18 Spindelservosystem for en videoplatespiller e.l.
NO844157A NO158700C (no) 1978-03-27 1984-10-18 Korreksjonssystem for videoplatespiller.
NO844158A NO158702C (no) 1978-03-27 1984-10-18 Fremgangsmaate og system for sporveksling i en videoplatespiller.
NO844159A NO157519C (no) 1978-03-27 1984-10-18 Spillerinnretning samt fremgangsmaate ved signalkorreksjon i en saadan innretning.

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
NO790171L NO790171L (no) 1979-09-28
NO151872B NO151872B (no) 1985-03-11
NO151872C true NO151872C (no) 1985-06-19

Family

ID=25396978

Family Applications (1)

Application Number Title Priority Date Filing Date
NO790171A NO151872C (no) 1978-03-27 1979-01-18 Fokusservosystem i en videoplatespiller

Country Status (10)

Country Link
EP (6) EP0035803B1 (de)
JP (13) JPS54128707A (de)
CA (1) CA1140675A (de)
DE (2) DE2911859A1 (de)
DK (1) DK20079A (de)
HK (5) HK50686A (de)
MY (3) MY8700045A (de)
NL (1) NL7900352A (de)
NO (1) NO151872C (de)
SE (1) SE7813460L (de)

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JPS5637831A (en) * 1979-09-03 1981-04-11 Matsushita Electric Ind Co Ltd Control system of reproducing device
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JPS56119942A (en) * 1980-02-27 1981-09-19 Fujitsu Ltd Track access system optical disc device
JPH0644347B2 (ja) * 1980-11-27 1994-06-08 松下電器産業株式会社 光学的記録再生装置
JPS624906Y2 (de) * 1981-02-06 1987-02-04
JPS57133525A (en) * 1981-02-07 1982-08-18 Olympus Optical Co Ltd Automatic focusing system of optical information reader
US4414655A (en) * 1981-03-31 1983-11-08 Discovision Associates Scanning beam control system
JPS57186239A (en) * 1981-05-11 1982-11-16 Sony Corp Disc reproducing device
JPS586531A (ja) * 1981-07-01 1983-01-14 Teac Co 記録又は再生装置
US4417330A (en) * 1981-10-15 1983-11-22 Burroughs Corporation Optical memory system providing improved focusing control
US4402061A (en) * 1981-10-15 1983-08-30 Burroughs Corporation Preformatted optical media for use in an optical memory system
JPS5875343U (ja) * 1981-11-16 1983-05-21 日本コロムビア株式会社 光デイスク記録再生装置
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
DE3300951C2 (de) 1982-01-16 1994-10-27 Sony Corp Verfahren und Einrichtung zum schnellen Bewegen einer Abtasteinrichtung eines Informationssignal-Wiedergabegerätes
DE3348470C2 (de) * 1982-01-16 1997-12-18 Sony Corp Einrichtung zum schnellen Bewegen einer Abtasteinrichtung für ein Informationssignal-Wiedergabegerät
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
EP0095852A1 (de) * 1982-05-19 1983-12-07 BURROUGHS CORPORATION (a Michigan corporation) Einrichtung zur Fokussierregelung für ein optisches Speichersystem
EP0096969B1 (de) * 1982-05-19 1986-12-30 BURROUGHS CORPORATION (a Delaware corporation) Optisches Speichersystem mit Einrichtung zur Positionier- und Fokussierregelung
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 (de) * 1984-09-29 1986-05-02
DE3508525A1 (de) * 1985-03-09 1986-09-11 Thomson Brandt Gmbh Fokus-such-einrichtung fuer beruehrungslose abtastung
US4795958A (en) * 1986-09-20 1989-01-03 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
JPH07503571A (ja) * 1992-11-30 1995-04-13 三星電子株式会社 ディスク読み出し回路
KR100597043B1 (ko) * 2001-05-08 2006-07-04 에이에스엠엘 네델란즈 비.브이. 광학적 노광방법, 디바이스제조방법 및 리소그래피투영장치
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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DE2521821A1 (de) * 1975-05-16 1976-11-25 Bosch Gmbh Robert Videoplattengeraet
JPS6052495B2 (ja) * 1975-08-14 1985-11-19 日本ビクター株式会社 デイスク再生装置
JPS5223310A (en) * 1975-08-18 1977-02-22 Victor Co Of Japan Ltd Data signal optical regeneration system
JPS5824849B2 (ja) * 1975-08-19 1983-05-24 松下電器産業株式会社 キロクサイセイソウチ
JPS5224429A (en) * 1975-08-20 1977-02-23 Matsushita Electric Ind Co Ltd Signal regenerator
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FR2330062A1 (fr) * 1975-10-31 1977-05-27 Thomson Brandt Dispositif de recherche de focalisation et lecteur optique comportant un tel dispositif
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
GB1572346A (en) * 1976-03-19 1980-07-30 Rca Corp Velocity and phase control for a disc recording and reproducing apparatus
GB1577133A (en) * 1976-03-19 1980-10-22 Rca Corp Video information record and playback apparatus
GB1585547A (en) * 1976-04-08 1981-03-04 Victor Company Of Japan Information signal reproducing system
CA1130456A (en) * 1976-04-08 1982-08-24 Hisao Kinjo 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
JP2617270B2 (ja) 1997-06-04
HK50586A (en) 1986-07-11
MY8700035A (en) 1987-12-31
EP0035287B1 (de) 1985-06-19
EP0035288A2 (de) 1981-09-09
JPS6356612B2 (de) 1988-11-08
DK20079A (da) 1979-09-28
JPH076378A (ja) 1995-01-10
JP2594412B2 (ja) 1997-03-26
EP0035288A3 (en) 1982-03-10
EP0004476A1 (de) 1979-10-03
JPS6259520B2 (de) 1987-12-11
HK18189A (en) 1989-03-10
JPH06325375A (ja) 1994-11-25
CA1140675A (en) 1983-02-01
EP0035803A2 (de) 1981-09-16
HK18089A (en) 1989-03-10
EP0036222A3 (en) 1982-02-24
JPS6323231A (ja) 1988-01-30
HK50686A (en) 1986-07-11
EP0035803B1 (de) 1985-03-06
NO151872B (no) 1985-03-11
DE2911859C2 (de) 1988-05-11
EP0036222A2 (de) 1981-09-23
EP0036222B1 (de) 1985-07-10
JP2763084B2 (ja) 1998-06-11
JPS6111968A (ja) 1986-01-20
EP0035287A3 (en) 1982-04-14
EP0035287A2 (de) 1981-09-09
EP0035288B1 (de) 1985-09-11
DE2967537D1 (en) 1985-12-05
JPS6323230A (ja) 1988-01-30
JPS615692A (ja) 1986-01-11
JPS6367255B2 (de) 1988-12-23
JPH033289B2 (de) 1991-01-18
JPS6111969A (ja) 1986-01-20
JPH0795516A (ja) 1995-04-07
EP0035803A3 (en) 1982-02-24
EP0035289A2 (de) 1981-09-09
JP2500226B2 (ja) 1996-05-29
NO790171L (no) 1979-09-28
NL7900352A (nl) 1979-10-01
JPS61930A (ja) 1986-01-06
JPH03162723A (ja) 1991-07-12
DE2911859A1 (de) 1979-10-04
MY8700046A (en) 1987-12-31
SE7813460L (sv) 1979-09-28
MY8700045A (en) 1987-12-31
JPS54128707A (en) 1979-10-05
JPH0434208B2 (de) 1992-06-05
EP0035289A3 (en) 1982-03-10
JPH08147719A (ja) 1996-06-07
JPH0329118A (ja) 1991-02-07
JPH063646B2 (ja) 1994-01-12
HK50786A (en) 1986-07-11
EP0004476B1 (de) 1985-10-30
JPH0727646B2 (ja) 1995-03-29

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