CN100350475C - 光学拾取设备、光学记录和再现设备及方法 - Google Patents

光学拾取设备、光学记录和再现设备及方法 Download PDF

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Publication number
CN100350475C
CN100350475C CNB2005100884855A CN200510088485A CN100350475C CN 100350475 C CN100350475 C CN 100350475C CN B2005100884855 A CNB2005100884855 A CN B2005100884855A CN 200510088485 A CN200510088485 A CN 200510088485A CN 100350475 C CN100350475 C CN 100350475C
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CN
China
Prior art keywords
optical
optical recording
laser
recording medium
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.)
Expired - Fee Related
Application number
CNB2005100884855A
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English (en)
Chinese (zh)
Other versions
CN1747007A (zh
Inventor
山本健二
佐藤克利
西纪彰
金谷绿
莳田真哉
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Sony Corp
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Sony Corp
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Publication date
Application filed by Sony Corp filed Critical Sony Corp
Publication of CN1747007A publication Critical patent/CN1747007A/zh
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Publication of CN100350475C publication Critical patent/CN100350475C/zh
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    • 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
    • G11B7/135—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
    • G11B7/125—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)
CNB2005100884855A 2004-08-02 2005-08-02 光学拾取设备、光学记录和再现设备及方法 Expired - Fee Related CN100350475C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004225833 2004-08-02
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
CN1747007A CN1747007A (zh) 2006-03-15
CN100350475C true CN100350475C (zh) 2007-11-21

Family

ID=35732044

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2005100884855A Expired - Fee Related 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

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

Citations (4)

* 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
US20020114229A1 (en) * 1999-12-27 2002-08-22 Noriaki Nishi Optical head, light-emitting/receiving device, and apparatus for recording/reproducing optical recording/recorded medium
CN1453777A (zh) * 2002-04-25 2003-11-05 三美电机株式会社 光读出头

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
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

Patent Citations (4)

* 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
US20020114229A1 (en) * 1999-12-27 2002-08-22 Noriaki Nishi Optical head, light-emitting/receiving device, and apparatus for recording/reproducing optical recording/recorded medium
CN1453777A (zh) * 2002-04-25 2003-11-05 三美电机株式会社 光读出头

Also Published As

Publication number Publication date
KR20060048933A (ko) 2006-05-18
JP2006048794A (ja) 2006-02-16
TW200620254A (en) 2006-06-16
CN1747007A (zh) 2006-03-15
TWI267839B (en) 2006-12-01
US20060023609A1 (en) 2006-02-02

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Granted publication date: 20071121

Termination date: 20100802