JP2006048794A - 光学ピックアップ装置、光記録再生装置及び光記録再生方法 - Google Patents

光学ピックアップ装置、光記録再生装置及び光記録再生方法 Download PDF

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Publication number
JP2006048794A
JP2006048794A JP2004225833A JP2004225833A JP2006048794A JP 2006048794 A JP2006048794 A JP 2006048794A JP 2004225833 A JP2004225833 A JP 2004225833A JP 2004225833 A JP2004225833 A JP 2004225833A JP 2006048794 A JP2006048794 A JP 2006048794A
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JP
Japan
Prior art keywords
optical recording
recording medium
optical
light
semiconductor laser
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.)
Pending
Application number
JP2004225833A
Other languages
English (en)
Japanese (ja)
Other versions
JP2006048794A5 (enExample
Inventor
Kenji Yamamoto
健二 山本
Katsutoshi Sato
克利 佐藤
Noriaki Nishi
紀彰 西
Midori Kanetani
みどり 金谷
Masaya Makita
真哉 蒔田
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
Application filed by Sony Corp filed Critical Sony Corp
Priority to JP2004225833A priority Critical patent/JP2006048794A/ja
Priority to US11/182,883 priority patent/US20060023609A1/en
Priority to TW094124436A priority patent/TWI267839B/zh
Priority to KR1020050069463A priority patent/KR20060048933A/ko
Priority to CNB2005100884855A priority patent/CN100350475C/zh
Publication of JP2006048794A publication Critical patent/JP2006048794A/ja
Publication of JP2006048794A5 publication Critical patent/JP2006048794A5/ja
Pending legal-status Critical Current

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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
    • G11B7/12—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
    • G11B7/1362—Mirrors
    • 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
    • G11B7/127—Lasers; Multiple laser arrays

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  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Head (AREA)
  • Optical Recording Or Reproduction (AREA)
JP2004225833A 2004-08-02 2004-08-02 光学ピックアップ装置、光記録再生装置及び光記録再生方法 Pending JP2006048794A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2004225833A JP2006048794A (ja) 2004-08-02 2004-08-02 光学ピックアップ装置、光記録再生装置及び光記録再生方法
US11/182,883 US20060023609A1 (en) 2004-08-02 2005-07-18 Optical pickup apparatus, optical recording and reproducing apparatus and optical recording and reproducing method
TW094124436A TWI267839B (en) 2004-08-02 2005-07-20 Optical pickup apparatus, optical recording and reproducing apparatus and optical recording and reproducing method
KR1020050069463A KR20060048933A (ko) 2004-08-02 2005-07-29 광학 픽업 장치, 광 기록 및 재생 장치 및 광 기록 및 재생방법
CNB2005100884855A CN100350475C (zh) 2004-08-02 2005-08-02 光学拾取设备、光学记录和再现设备及方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004225833A JP2006048794A (ja) 2004-08-02 2004-08-02 光学ピックアップ装置、光記録再生装置及び光記録再生方法

Publications (2)

Publication Number Publication Date
JP2006048794A true JP2006048794A (ja) 2006-02-16
JP2006048794A5 JP2006048794A5 (enExample) 2007-09-20

Family

ID=35732044

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004225833A Pending JP2006048794A (ja) 2004-08-02 2004-08-02 光学ピックアップ装置、光記録再生装置及び光記録再生方法

Country Status (5)

Country Link
US (1) US20060023609A1 (enExample)
JP (1) JP2006048794A (enExample)
KR (1) KR20060048933A (enExample)
CN (1) CN100350475C (enExample)
TW (1) TWI267839B (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10268805B2 (en) * 2010-01-26 2019-04-23 At&T Intellectual Property I, L.P. System and method for providing multimedia digital rights transfer
US10574583B2 (en) 2013-07-30 2020-02-25 Entropic Communications, Llc Method and apparatus for combined access network and home network using a dual-role device

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61196435A (ja) * 1985-02-25 1986-08-30 Asahi Optical Co Ltd 光デイスク情報装置
JPH10222865A (ja) * 1997-02-07 1998-08-21 Hitachi Ltd 光ピックアップおよび光ディスク装置
US5831960A (en) * 1997-07-17 1998-11-03 Motorola, Inc. Integrated vertical cavity surface emitting laser pair for high density data storage and method of fabrication
US6819646B1 (en) * 1999-01-19 2004-11-16 Matsushita Electric Industrial Co., Ltd. Optical pickup, optical information recording/reproducing apparatus using the same, and phase variable wave plate used in the pickup and the apparatus
JP2000311377A (ja) * 1999-04-28 2000-11-07 Sharp Corp 光ピックアップ装置
CN1174394C (zh) * 1999-12-02 2004-11-03 株式会社三协精机制作所 光学拾波装置
JP2001184698A (ja) * 1999-12-22 2001-07-06 Pioneer Electronic Corp 光ピックアップ装置
JP4843844B2 (ja) * 1999-12-27 2011-12-21 ソニー株式会社 光ヘッド、受発光素子、及び光記録媒体記録再生装置
JP2001236671A (ja) * 2000-02-22 2001-08-31 Pioneer Electronic Corp 光ピックアップ装置及びレーザダイオードチップ
US6909687B2 (en) * 2000-03-29 2005-06-21 Sanyo Electric Co., Ltd. Optical pickup with a diffraction element consist of six regions providing spatial variation corresponding to a focas state
KR100788650B1 (ko) * 2001-10-13 2007-12-26 삼성전자주식회사 고밀도 디스크
JP2003317304A (ja) * 2002-04-25 2003-11-07 Mitsumi Electric Co Ltd 光ピックアップ
JP2005149579A (ja) * 2003-11-12 2005-06-09 Samsung Electro Mech Co Ltd 光ピックアップ装置および光ディスクの情報記録再生装置

Also Published As

Publication number Publication date
KR20060048933A (ko) 2006-05-18
TW200620254A (en) 2006-06-16
CN1747007A (zh) 2006-03-15
CN100350475C (zh) 2007-11-21
TWI267839B (en) 2006-12-01
US20060023609A1 (en) 2006-02-02

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