DE69635772D1 - Regeleinrichtung für optische Abtastvorrichtung - Google Patents

Regeleinrichtung für optische Abtastvorrichtung

Info

Publication number
DE69635772D1
DE69635772D1 DE69635772T DE69635772T DE69635772D1 DE 69635772 D1 DE69635772 D1 DE 69635772D1 DE 69635772 T DE69635772 T DE 69635772T DE 69635772 T DE69635772 T DE 69635772T DE 69635772 D1 DE69635772 D1 DE 69635772D1
Authority
DE
Germany
Prior art keywords
optical scanning
control device
scanning device
control
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 - Fee Related
Application number
DE69635772T
Other languages
English (en)
Other versions
DE69635772T2 (de
Inventor
Yasuhisa Shimoda
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
Application filed by Pioneer Electronic Corp filed Critical Pioneer Electronic Corp
Application granted granted Critical
Publication of DE69635772D1 publication Critical patent/DE69635772D1/de
Publication of DE69635772T2 publication Critical patent/DE69635772T2/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
    • 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
    • G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1398—Means for shaping the cross-section of the beam, e.g. into circular or elliptical cross-section
    • 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
    • G11B7/0053—Reproducing non-user data, e.g. wobbled address, prepits, BCA
    • 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
DE69635772T 1995-11-22 1996-11-22 Regeleinrichtung für optische Abtastvorrichtung Expired - Fee Related DE69635772T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP32830395A JP3817286B2 (ja) 1995-11-22 1995-11-22 ピックアップ制御装置および情報媒体記録装置
JP32830395 1995-11-22

Publications (2)

Publication Number Publication Date
DE69635772D1 true DE69635772D1 (de) 2006-04-13
DE69635772T2 DE69635772T2 (de) 2006-09-21

Family

ID=18208730

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69635772T Expired - Fee Related DE69635772T2 (de) 1995-11-22 1996-11-22 Regeleinrichtung für optische Abtastvorrichtung

Country Status (4)

Country Link
US (1) US5835466A (de)
EP (1) EP0775998B1 (de)
JP (1) JP3817286B2 (de)
DE (1) DE69635772T2 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0919994A3 (de) * 1997-11-28 1999-12-08 Pioneer Electronic Corporation Übertragungssteuersystem für Informationsablesestrahl
US6333907B1 (en) * 1998-03-17 2001-12-25 Kabushiki Kaisha Toshiba Disk processing apparatus for reproducing information from a plurality of optical disks having different recording densities
JP2000099997A (ja) * 1998-09-22 2000-04-07 Toshiba Corp 光ディスクおよび光ディスク装置
GB9906762D0 (en) 1999-03-25 1999-05-19 Philips Electronics Nv Optical disc player
ATE371248T1 (de) 2002-12-06 2007-09-15 Koninkl Philips Electronics Nv Apparat und verfahren zum aufzeichnen einer information auf einem beschreibbaren optischen datenträger unter verwendung eines ovalen spotprofils
KR20070015361A (ko) * 2003-10-15 2007-02-02 코닌클리케 필립스 일렉트로닉스 엔.브이. 판독 및 기록 빔이 분리된 광 데이터 판독/기록장치
JP2005259307A (ja) * 2004-03-15 2005-09-22 Sony Corp 光ピックアップ及びディスクドライブ装置
TW200601302A (en) * 2004-06-30 2006-01-01 Lite On It Corp Method of controlling a focusing point on an optical disc
JP5070961B2 (ja) * 2007-07-06 2012-11-14 日本電気株式会社 光ディスク装置及び情報再生方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59223944A (ja) * 1983-06-02 1984-12-15 Pioneer Electronic Corp 光学式記録情報読取用ピツクアツプ装置
JPH0746429B2 (ja) * 1985-06-21 1995-05-17 オリンパス光学工業株式会社 光学式記録再生装置
US5297114A (en) * 1990-11-30 1994-03-22 Asahi Kogaku Kogyo Kabushiki Kaisha Magneto-optic recording/reproduction apparatus for minimizing variation in focusing error signals caused by variation in optical source wavelength
US5361244A (en) * 1991-04-10 1994-11-01 Hitachi, Ltd. Optical head and information recording apparatus
JPH05242521A (ja) * 1992-02-27 1993-09-21 Pioneer Electron Corp 光ディスクプレーヤ
JP2816057B2 (ja) * 1992-07-29 1998-10-27 三洋電機株式会社 光学式再生装置
JP3123841B2 (ja) * 1992-12-02 2001-01-15 富士通株式会社 光ディスク記録再生装置
JPH06215411A (ja) * 1993-01-19 1994-08-05 Ricoh Co Ltd 光情報記録再生装置
DE4308531A1 (de) * 1993-03-17 1994-09-22 Thomson Brandt Gmbh Kompatibles Aufzeichnungs- und/oder Wiedergabegerät
JPH07244919A (ja) * 1994-03-08 1995-09-19 Ricoh Co Ltd 情報記憶装置

Also Published As

Publication number Publication date
EP0775998A2 (de) 1997-05-28
US5835466A (en) 1998-11-10
DE69635772T2 (de) 2006-09-21
JP3817286B2 (ja) 2006-09-06
JPH09147379A (ja) 1997-06-06
EP0775998B1 (de) 2006-02-01
EP0775998A3 (de) 1998-05-13

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Legal Events

Date Code Title Description
8320 Willingness to grant licences declared (paragraph 23)
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee