HK1075737A1 - Optical head, optical recoding medium recording and/or reproducing apparatus and recording and/or reproducing method using the optical head - Google Patents

Optical head, optical recoding medium recording and/or reproducing apparatus and recording and/or reproducing method using the optical head

Info

Publication number
HK1075737A1
HK1075737A1 HK05106862A HK05106862A HK1075737A1 HK 1075737 A1 HK1075737 A1 HK 1075737A1 HK 05106862 A HK05106862 A HK 05106862A HK 05106862 A HK05106862 A HK 05106862A HK 1075737 A1 HK1075737 A1 HK 1075737A1
Authority
HK
Hong Kong
Prior art keywords
optical head
recording
optical
recoding medium
reproducing
Prior art date
Application number
HK05106862A
Other languages
English (en)
Inventor
Nishi Noriaki
Tezuka Masaru
Inoue Naoki
Hashimoto Kunika
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
Application filed by Sony Corp filed Critical Sony Corp
Publication of HK1075737A1 publication Critical patent/HK1075737A1/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
    • G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
    • G11B7/126—Circuits, methods or arrangements for laser control or stabilisation
    • G11B7/1263—Power control during transducing, e.g. by monitoring
    • 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
    • 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
    • G11B7/1356—Double or multiple prisms, i.e. having two or more prisms in cooperation
    • 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
    • G11B7/1365—Separate or integrated refractive elements, e.g. wave plates
    • G11B7/1369—Active plates, e.g. liquid crystal panels or electrostrictive elements
    • 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
    • G11B2007/0003—Recording, reproducing or erasing systems characterised by the structure or type of the carrier
    • G11B2007/0006—Recording, reproducing or erasing systems characterised by the structure or type of the carrier adapted for scanning different types of carrier, e.g. CD & DVD
    • 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
    • G11B2007/0003—Recording, reproducing or erasing systems characterised by the structure or type of the carrier
    • G11B2007/0009—Recording, reproducing or erasing systems characterised by the structure or type of the carrier for carriers having data stored in three dimensions, e.g. volume storage
    • G11B2007/0013—Recording, reproducing or erasing systems characterised by the structure or type of the carrier for carriers having data stored in three dimensions, e.g. volume storage for carriers having multiple discrete layers
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optical Head (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Liquid Crystal (AREA)
HK05106862A 2001-12-27 2005-08-09 Optical head, optical recoding medium recording and/or reproducing apparatus and recording and/or reproducing method using the optical head HK1075737A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001397679A JP4240883B2 (ja) 2001-12-27 2001-12-27 光ヘッド及び光記録媒体駆動装置
PCT/JP2002/013259 WO2003056552A1 (en) 2001-12-27 2002-12-18 Optical head, optical recording medium recording and/or reproducing apparatus and recording and/or reproducing method using the optical head

Publications (1)

Publication Number Publication Date
HK1075737A1 true HK1075737A1 (en) 2005-12-23

Family

ID=19189229

Family Applications (1)

Application Number Title Priority Date Filing Date
HK05106862A HK1075737A1 (en) 2001-12-27 2005-08-09 Optical head, optical recoding medium recording and/or reproducing apparatus and recording and/or reproducing method using the optical head

Country Status (10)

Country Link
US (1) US7619959B2 (xx)
EP (1) EP1460624B1 (xx)
JP (1) JP4240883B2 (xx)
KR (1) KR100943223B1 (xx)
CN (1) CN100385532C (xx)
AU (1) AU2002354221A1 (xx)
DE (1) DE60236317D1 (xx)
HK (1) HK1075737A1 (xx)
TW (1) TWI240264B (xx)
WO (1) WO2003056552A1 (xx)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4003161B2 (ja) * 2001-11-19 2007-11-07 ソニー株式会社 光ヘッド、記録再生装置、及び光結合効率可変素子
US7170832B2 (en) * 2002-09-19 2007-01-30 Koninklijke Philips Electronics N.V. Optical scanning device
EP1690122B8 (de) * 2003-09-25 2009-02-18 Leica Microsystems CMS GmbH Beleuchtungsmodul zur evaneszenten beleuchtung und mikroskop
JPWO2005031719A1 (ja) * 2003-09-30 2006-12-07 パイオニア株式会社 情報記録媒体、情報記録装置及び方法、情報記録再生装置及び方法、並びにコンピュータプログラム
JP4878761B2 (ja) * 2004-03-16 2012-02-15 パナソニック株式会社 光ヘッド、及び光情報装置
KR20050113941A (ko) * 2004-05-31 2005-12-05 삼성전자주식회사 최적 바이어스 파워를 결정하기 위한 광기록재생장치 및최적 바이어스 파워 결정 방법
US7492693B2 (en) 2004-07-23 2009-02-17 Panasonic Corporation Optical recording/reproducing apparatus with transmission amount variation unit
JP4358163B2 (ja) 2005-07-07 2009-11-04 株式会社東芝 光ヘッド装置
JP2009134776A (ja) * 2006-03-20 2009-06-18 Panasonic Corp 光ディスク装置および光ディスク用制御装置
JP4823732B2 (ja) * 2006-03-24 2011-11-24 日本電産コパル株式会社 光調整要素の駆動装置
JP5066841B2 (ja) * 2006-06-14 2012-11-07 旭硝子株式会社 光源装置および光ヘッド装置
US8068391B2 (en) 2006-06-20 2011-11-29 Pioneer Corporation Optical recording/reproducing method, system, and program
KR102290176B1 (ko) * 2014-05-13 2021-08-19 주식회사 루트로닉 레이저 장치 및 이의 제어방법

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0799589B2 (ja) 1984-05-11 1995-10-25 日本電気株式会社 光ピツクアツプ装置
JPH0658880B2 (ja) 1985-11-12 1994-08-03 日本電気株式会社 気相エピタキシヤル成長装置
JPH01166344A (ja) 1987-12-22 1989-06-30 Nikon Corp 光ディスク装置の光ヘッド
JPH01303640A (ja) 1988-06-01 1989-12-07 Mitsubishi Electric Corp 光ヘツド装置
JPH0296622A (ja) 1988-10-03 1990-04-09 Wako:Kk 光電センサ
JPH04255925A (ja) 1991-02-08 1992-09-10 Fujitsu Ltd 光ディスク装置
JPH04263147A (ja) 1991-02-13 1992-09-18 Mitsubishi Electric Corp 光磁気ディスク装置
JPH0628700A (ja) * 1992-07-08 1994-02-04 Matsushita Electric Ind Co Ltd 記録再生用光学ヘッド
JPH06131683A (ja) * 1992-10-13 1994-05-13 Sony Corp 光記録再生装置およびその方法
JP3771945B2 (ja) * 1994-03-18 2006-05-10 オリンパス株式会社 光学式情報再生装置
US5548573A (en) * 1993-11-04 1996-08-20 Olympus Optical Co., Ltd. Optical information reproducing apparatus provided with laser power control means for detecting reflected light from data region
JPH0817065A (ja) * 1994-06-30 1996-01-19 Sony Corp 光ピックアップ装置
JPH0927141A (ja) 1995-07-10 1997-01-28 Ricoh Co Ltd 光ピックアップ装置
JPH10162412A (ja) * 1996-12-05 1998-06-19 Rohm Co Ltd 光ピックアップ
JPH10320811A (ja) * 1997-05-14 1998-12-04 Sharp Corp 効率制御回折格子、および効率制御回折格子を備えた光ピックアップ装置
EP0887790B1 (en) * 1997-06-24 2011-05-04 Sharp Kabushiki Kaisha Optical reproducing device and optical memory system comprising the device and a medium
JPH11232651A (ja) * 1998-02-10 1999-08-27 Matsushita Electric Ind Co Ltd 光ディスク記録装置
JP2000036152A (ja) * 1998-05-13 2000-02-02 Matsushita Electric Ind Co Ltd 光ディスク装置および光ディスク装置が内蔵されたコンピュ―タ
JP3250989B2 (ja) 1998-05-15 2002-01-28 松下電器産業株式会社 光学情報記録媒体、その記録再生方法、その製造法及び光学情報記録再生装置
JP4258049B2 (ja) 1998-12-24 2009-04-30 ソニー株式会社 光ピックアップ装置および光ディスク装置
JP4604304B2 (ja) * 1999-07-09 2011-01-05 ソニー株式会社 レーザ装置、光学ヘッド及び光記録再生装置
JP4300731B2 (ja) * 2001-12-04 2009-07-22 ソニー株式会社 光記録媒体駆動装置及び光記録媒体記録再生方法

Also Published As

Publication number Publication date
AU2002354221A1 (en) 2003-07-15
KR100943223B1 (ko) 2010-02-18
US7619959B2 (en) 2009-11-17
TWI240264B (en) 2005-09-21
EP1460624A1 (en) 2004-09-22
DE60236317D1 (de) 2010-06-17
TW200305869A (en) 2003-11-01
JP2003196880A (ja) 2003-07-11
EP1460624B1 (en) 2010-05-05
US20050117494A1 (en) 2005-06-02
CN100385532C (zh) 2008-04-30
WO2003056552A1 (en) 2003-07-10
CN1608289A (zh) 2005-04-20
KR20040077692A (ko) 2004-09-06
EP1460624A4 (en) 2006-06-07
JP4240883B2 (ja) 2009-03-18

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20131218