DE3380426D1 - Optical disc reproducer - Google Patents

Optical disc reproducer

Info

Publication number
DE3380426D1
DE3380426D1 DE8383901732T DE3380426T DE3380426D1 DE 3380426 D1 DE3380426 D1 DE 3380426D1 DE 8383901732 T DE8383901732 T DE 8383901732T DE 3380426 T DE3380426 T DE 3380426T DE 3380426 D1 DE3380426 D1 DE 3380426D1
Authority
DE
Germany
Prior art keywords
optical disc
disc reproducer
reproducer
optical
disc
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
Application number
DE8383901732T
Other languages
English (en)
Inventor
Akira Shibaura Plant Katsuyama
Shuichi Shibaura Plant Kimura
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.)
Sony Corp
Original Assignee
Sony 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 JP9575382A external-priority patent/JPS58212629A/ja
Priority claimed from JP9575482A external-priority patent/JPS58212630A/ja
Application filed by Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of DE3380426D1 publication Critical patent/DE3380426D1/de
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
    • G11B33/10—Indicating arrangements; Warning arrangements
    • 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
    • G11B19/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B19/04—Arrangements for preventing, inhibiting, or warning against double recording on the same blank or against other recording or reproducing malfunctions
    • 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
    • G11B19/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B19/12—Control of operating function, e.g. switching from recording to reproducing by sensing distinguishing features of or on records, e.g. diameter end mark
    • 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
    • G11B7/0945—Methods for initialising servos, start-up sequences
DE8383901732T 1982-06-04 1983-06-04 Optical disc reproducer Expired DE3380426D1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP9575382A JPS58212629A (ja) 1982-06-04 1982-06-04 光学式デイスク再生装置
JP9575482A JPS58212630A (ja) 1982-06-04 1982-06-04 光学式デイスク再生装置
PCT/JP1983/000183 WO1983004329A1 (en) 1982-06-04 1983-06-04 Optical disc reproducer

Publications (1)

Publication Number Publication Date
DE3380426D1 true DE3380426D1 (en) 1989-09-21

Family

ID=26436941

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8383901732T Expired DE3380426D1 (en) 1982-06-04 1983-06-04 Optical disc reproducer

Country Status (4)

Country Link
US (1) US4723234A (de)
EP (1) EP0111010B1 (de)
DE (1) DE3380426D1 (de)
WO (1) WO1983004329A1 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0695425B2 (ja) * 1987-04-15 1994-11-24 パイオニア株式会社 デイスク検出方式
JPH0695426B2 (ja) * 1987-08-11 1994-11-24 キヤノン株式会社 光学的情報記録再生装置
US4998233A (en) * 1988-02-12 1991-03-05 International Business Machines Corporation Acquiring focus in optical systems using a focus error signal and a laser drive signal
JPH0668845B2 (ja) * 1988-12-07 1994-08-31 シャープ株式会社 光ディスク装置
US5189290A (en) * 1989-10-14 1993-02-23 Omron Corporation Optical card processing apparatus using tracking error signals to determine proper card orientation
JPH03130932A (ja) * 1989-10-14 1991-06-04 Omron Corp 光カード処理装置
JP3377048B2 (ja) * 1992-04-24 2003-02-17 パイオニア株式会社 追記型光ディスクの再生装置および再生方法
US6009061A (en) 1994-08-25 1999-12-28 Discovision Associates Cartridge-loading apparatus with improved base plate and cartridge receiver latch
US5724331A (en) * 1994-08-25 1998-03-03 Discovision Associates Disk drive system having improved cartridge-loading apparatus including direct drive gear train and methods for making and operating same
JP3904773B2 (ja) * 1999-10-01 2007-04-11 パイオニア株式会社 円盤体収納装置及び情報再生装置並びに情報記録装置
JP2004055076A (ja) * 2002-07-23 2004-02-19 Yamaha Corp 光ピックアップ及び光ディスク記録装置
TW594707B (en) * 2002-10-15 2004-06-21 Lite On It Corp Method for discriminates an up-side-down disk
US8254232B2 (en) * 2003-01-28 2012-08-28 Hewlett-Packard Development Company, L.P. Indication of optically writable optical disc surface incident to laser
US7817521B2 (en) * 2004-11-17 2010-10-19 Panasonic Corporation Optical disc device configured to detect abnormal loading status

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL249950A (de) * 1959-03-31
US3551608A (en) * 1967-04-07 1970-12-29 Bell & Howell Co Discrepancy indicator for record duplicating apparatus
JPS51134607A (en) * 1975-05-19 1976-11-22 Hitachi Ltd Detector of abnormal operation of the disc storage
JPS5538663A (en) * 1978-09-09 1980-03-18 Pioneer Video Corp Detector for recording medium of optical information reader
JPS6038770B2 (ja) * 1978-09-09 1985-09-03 パイオニアビデオ株式会社 光学式情報読取装置のフォ−カスレンズ異常位置検出装置
FR2458126A1 (fr) * 1979-05-31 1980-12-26 Thomson Brandt Systeme de commande de changement de face lue pour un lecteur optique de support d'information et lecteur optique comportant un tel systeme
JPS5651061A (en) * 1979-09-29 1981-05-08 Toshiba Corp Recording disc and detector for its playback surface
DE3038650C2 (de) * 1979-10-12 1983-05-19 Universal Pioneer Corp., Tokyo Vorrichtung zum Wiedergeben der von einer Videoplatte gelesenen Information
JPS56159846A (en) * 1980-05-12 1981-12-09 Matsushita Electric Ind Co Ltd Optical recording and reproducing device
JPS57113436A (en) * 1980-12-29 1982-07-14 Sanyo Electric Co Ltd Scanning stylus and its manufacture
JPH0661134B2 (ja) * 1981-02-09 1994-08-10 松下電器産業株式会社 光学的記録再生装置
US4620249A (en) * 1981-04-28 1986-10-28 Ricoh Company, Ltd. Apparatus for driving a floppy disc
JPS57181401A (en) * 1981-05-01 1982-11-08 Toshiba Corp Optical information processor
JPS58100234A (ja) * 1981-12-10 1983-06-14 Teac Co 光学再生装置
JPS58101330U (ja) * 1981-12-25 1983-07-09 パイオニア株式会社 光学装置におけるフオ−カスサ−ボ引込装置
JPS58114354A (ja) * 1981-12-26 1983-07-07 Matsushita Electric Ind Co Ltd デイスク再生装置
US4446546A (en) * 1981-12-31 1984-05-01 Magnetic Peripherals Inc. Focus initialization system for optical recording
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
BE892274A (fr) * 1982-02-25 1982-06-16 Staar Sa Dispositif de detection de la face operative d'un disque portant des informations sur une seule face

Also Published As

Publication number Publication date
WO1983004329A1 (en) 1983-12-08
EP0111010A1 (de) 1984-06-20
EP0111010A4 (de) 1986-07-17
US4723234A (en) 1988-02-02
EP0111010B1 (de) 1989-08-16

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition