JP4167370B2 - 光ピックアップ装置 - Google Patents

光ピックアップ装置 Download PDF

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Publication number
JP4167370B2
JP4167370B2 JP36558499A JP36558499A JP4167370B2 JP 4167370 B2 JP4167370 B2 JP 4167370B2 JP 36558499 A JP36558499 A JP 36558499A JP 36558499 A JP36558499 A JP 36558499A JP 4167370 B2 JP4167370 B2 JP 4167370B2
Authority
JP
Japan
Prior art keywords
light
laser beam
optical pickup
light receiving
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
JP36558499A
Other languages
English (en)
Japanese (ja)
Other versions
JP2001184703A (ja
JP2001184703A5 (enExample
Inventor
誠 川村
真一 高橋
浩克 長竹
亜紀 寺島
光俊 菅野
耕 石井
章 三浦
雅之 小山
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 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 Corp filed Critical Pioneer Corp
Priority to JP36558499A priority Critical patent/JP4167370B2/ja
Priority to US09/704,822 priority patent/US6452880B1/en
Priority to KR1020000072409A priority patent/KR20010062063A/ko
Publication of JP2001184703A publication Critical patent/JP2001184703A/ja
Publication of JP2001184703A5 publication Critical patent/JP2001184703A5/ja
Application granted granted Critical
Publication of JP4167370B2 publication Critical patent/JP4167370B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/125Optical 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
    • G11B7/127Lasers; Multiple laser arrays
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/123Integrated head arrangements, e.g. with source and detectors mounted on the same substrate
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/13Optical detectors therefor
    • G11B7/131Arrangement of detectors in a multiple array
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B2007/0003Recording, reproducing or erasing systems characterised by the structure or type of the carrier
    • G11B2007/0006Recording, reproducing or erasing systems characterised by the structure or type of the carrier adapted for scanning different types of carrier, e.g. CD & DVD
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/08Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09Disposition 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
    • G11B7/0901Disposition 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 for track following only
    • G11B7/0903Multi-beam tracking systems
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/08Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09Disposition 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
    • G11B7/0908Disposition 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 for focusing only
    • G11B7/0909Disposition 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 for focusing only by astigmatic methods

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Head (AREA)
JP36558499A 1999-12-22 1999-12-22 光ピックアップ装置 Expired - Fee Related JP4167370B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP36558499A JP4167370B2 (ja) 1999-12-22 1999-12-22 光ピックアップ装置
US09/704,822 US6452880B1 (en) 1999-12-22 2000-11-03 Optical pickup apparatus
KR1020000072409A KR20010062063A (ko) 1999-12-22 2000-12-01 광 픽업 장치

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP36558499A JP4167370B2 (ja) 1999-12-22 1999-12-22 光ピックアップ装置

Publications (3)

Publication Number Publication Date
JP2001184703A JP2001184703A (ja) 2001-07-06
JP2001184703A5 JP2001184703A5 (enExample) 2005-10-27
JP4167370B2 true JP4167370B2 (ja) 2008-10-15

Family

ID=18484632

Family Applications (1)

Application Number Title Priority Date Filing Date
JP36558499A Expired - Fee Related JP4167370B2 (ja) 1999-12-22 1999-12-22 光ピックアップ装置

Country Status (3)

Country Link
US (1) US6452880B1 (enExample)
JP (1) JP4167370B2 (enExample)
KR (1) KR20010062063A (enExample)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3689296B2 (ja) * 2000-01-24 2005-08-31 パイオニア株式会社 光ピックアップ装置
DE60140028D1 (de) * 2000-07-22 2009-11-12 Samsung Electronics Co Ltd Kompatibles optisches Abtastgerät
JP2002094168A (ja) * 2000-09-19 2002-03-29 Toshiba Corp 半導体レーザ装置及びその製造方法
US6680894B2 (en) 2000-10-13 2004-01-20 Matsushita Electric Industrial Co., Ltd. Optical head and apparatus for and method of storing and reproducing optical information
WO2002033700A2 (en) * 2000-10-16 2002-04-25 Konica Corporation Objective lens, coupling lens, light converging optical system, and optical pick-up apparatus
JP2002163837A (ja) * 2000-11-27 2002-06-07 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
KR20040005036A (ko) * 2002-07-08 2004-01-16 삼성전기주식회사 두개의 ld를 사용하는 dvd 플레이어용 광 픽업장치
KR100498483B1 (ko) * 2003-01-29 2005-07-01 삼성전자주식회사 호환형 광픽업 및 그 광출력량 검출 방법
US8264929B2 (en) * 2003-11-25 2012-09-11 Dell Products L.P. Optical medium recognition system and method with an optical drive having plural lasers
JP4367351B2 (ja) * 2005-02-08 2009-11-18 船井電機株式会社 光ディスク装置
JP2006286079A (ja) * 2005-03-31 2006-10-19 Toshiba Corp 光ヘッド及び光ディスク装置
US7652246B2 (en) * 2005-05-26 2010-01-26 Mitsubishi Electric Corporation Optical pickup device and optical disk device
JP4319181B2 (ja) * 2005-09-08 2009-08-26 シャープ株式会社 光ピックアップ装置および情報記録再生装置
EP3025819A4 (en) * 2013-08-28 2016-09-28 Mitsubishi Heavy Ind Ltd LASER PROCESSING DEVICE

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05242512A (ja) * 1991-12-19 1993-09-21 Matsushita Electric Ind Co Ltd 光ディスク装置
US6240053B1 (en) * 1998-05-07 2001-05-29 Ricoh Company, Ltd. Optical pickup device

Also Published As

Publication number Publication date
JP2001184703A (ja) 2001-07-06
US6452880B1 (en) 2002-09-17
KR20010062063A (ko) 2001-07-07

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