DE60335418D1 - Fotodioden-ic - Google Patents

Fotodioden-ic

Info

Publication number
DE60335418D1
DE60335418D1 DE60335418T DE60335418T DE60335418D1 DE 60335418 D1 DE60335418 D1 DE 60335418D1 DE 60335418 T DE60335418 T DE 60335418T DE 60335418 T DE60335418 T DE 60335418T DE 60335418 D1 DE60335418 D1 DE 60335418D1
Authority
DE
Germany
Prior art keywords
calculating
error signal
electrical signals
light components
detector
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 - Lifetime
Application number
DE60335418T
Other languages
English (en)
Inventor
Soo-Han Park
Jong-Uk Kim
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.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co Ltd
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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Application granted granted Critical
Publication of DE60335418D1 publication Critical patent/DE60335418D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G11B7/13—Optical detectors therefor
    • G11B7/133—Shape of individual detector 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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/13—Optical detectors therefor
    • G11B7/131—Arrangement of detectors in a multiple array
    • 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
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition 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
    • G11B7/0943—Methods and circuits for performing mathematical operations on individual detector segment outputs
    • 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
    • G11B7/123—Integrated head arrangements, e.g. with source and detectors mounted on the same substrate
    • 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
    • G11B7/1275—Two or more lasers having different wavelengths
    • 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
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition 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
    • G11B7/0901—Disposition 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
    • G11B7/0903—Multi-beam tracking systems
    • 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
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition 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
    • G11B7/0901—Disposition 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
    • G11B7/0906—Differential phase difference systems
    • 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
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition 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
    • G11B7/0908—Disposition 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
    • G11B7/0909—Disposition 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)
  • Mathematical Physics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
  • Light Receiving Elements (AREA)
  • Solid State Image Pick-Up Elements (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
DE60335418T 2003-09-20 2003-10-17 Fotodioden-ic Expired - Lifetime DE60335418D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020030065382A KR100933291B1 (ko) 2003-09-20 2003-09-20 2파장 레이저 다이오드의 사용을 위한 광검출기
PCT/KR2003/002169 WO2005029481A1 (en) 2003-09-20 2003-10-17 Photo diode ic

Publications (1)

Publication Number Publication Date
DE60335418D1 true DE60335418D1 (de) 2011-01-27

Family

ID=36242086

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60335418T Expired - Lifetime DE60335418D1 (de) 2003-09-20 2003-10-17 Fotodioden-ic

Country Status (9)

Country Link
US (1) US8159908B2 (de)
EP (1) EP1665243B1 (de)
JP (1) JP4219363B2 (de)
KR (1) KR100933291B1 (de)
CN (1) CN100378832C (de)
AT (1) ATE492018T1 (de)
AU (1) AU2003271220A1 (de)
DE (1) DE60335418D1 (de)
WO (1) WO2005029481A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101271694B (zh) * 2007-03-22 2011-12-21 华硕电脑股份有限公司 光学储存媒体的读写方法与光驱
TWI339838B (en) * 2007-03-22 2011-04-01 Asustek Comp Inc Read and write method for optical storage media and optical disc drive
JP2009110558A (ja) * 2007-10-26 2009-05-21 Sanyo Electric Co Ltd 光ピックアップ装置
JP4972602B2 (ja) * 2008-04-10 2012-07-11 株式会社日立製作所 光信号検出回路及びそれを用いた情報再生装置
CN103380326B (zh) * 2010-11-13 2015-01-07 S·卡撒诺斯 可调节太阳能充电灯
JP6820547B2 (ja) * 2016-03-09 2021-01-27 パナソニックＩｐマネジメント株式会社 記録再生装置

Family Cites Families (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5774837A (en) * 1980-10-25 1982-05-11 Olympus Optical Co Ltd Signal detection system of optical information reproducing device
JPS62270033A (ja) * 1986-05-19 1987-11-24 Yamaha Corp 光ピツクアツプ制御装置
JPS6310326A (ja) * 1986-07-01 1988-01-16 Sanyo Electric Co Ltd 光ピツクアツプ装置
US5400093A (en) 1992-12-28 1995-03-21 U.S. Philips Corporation Image projection system with autofocusing
JP3397280B2 (ja) * 1995-11-21 2003-04-14 ソニー株式会社 記録媒体記録再生装置および記録媒体記録再生方法
CN1177800A (zh) * 1996-07-31 1998-04-01 大宇电子株式会社 用于读取光盘上记录的信息的光学拾取系统
JPH10188301A (ja) * 1996-12-20 1998-07-21 Sony Corp 光ディスク記録再生装置および方法
US5914925A (en) * 1997-01-10 1999-06-22 Eastman Kodak Company DRDW differential phase tracking method and apparatus
TW388871B (en) 1997-05-30 2000-05-01 Matsushita Electric Ind Co Ltd An optical disk apparatus
TW382704B (en) 1997-10-14 2000-02-21 Ind Tech Res Inst Method for focusing and tracking of CD optical head and device therefor
JP3537662B2 (ja) * 1998-03-24 2004-06-14 パイオニア株式会社 光ビームの記録パワー制御装置
CN1154985C (zh) * 1998-07-03 2004-06-23 株式会社日立制作所 光检测器、信号处理电路、及其光信息再现设备
JP4023012B2 (ja) 1998-11-10 2007-12-19 ソニー株式会社 光ディスク傾き検出方法、光学ピックアップ装置および光ディスク装置
KR100315637B1 (ko) * 1999-03-31 2001-12-12 윤종용 씨디-알더블유의 재생/기록이 가능한 디브이디-롬 광학계
KR20000066666A (ko) 1999-04-20 2000-11-15 윤종용 디브이디-램의 재생이 가능한 디브이디-롬 광학계
JP3828740B2 (ja) 1999-12-03 2006-10-04 株式会社日立製作所 光検出器、光ピックアップ及びそれを用いた光学的情報再生装置
US6567355B2 (en) 1999-12-03 2003-05-20 Hitachi, Ltd. Optical detector, optical pickup and optical information reproducing apparatus using optical pickup
US20030206503A1 (en) * 1999-12-15 2003-11-06 Kosoburd Tatiana Tania Multi-element detector and multi-channel signal conditioner for use reading multiple tracks of optical disks having diverse formats
JP4370658B2 (ja) 2000-02-22 2009-11-25 ソニー株式会社 記録方法及び装置
KR100618990B1 (ko) 2000-03-23 2006-09-04 삼성전자주식회사 광픽업용 시크방향 검출 신호 생성장치
TW540033B (en) 2000-09-22 2003-07-01 Creative Tech Ltd Method and system for detecting cracks in optical discs
CN1173344C (zh) * 2000-10-13 2004-10-27 松下电器产业株式会社 光头装置以及光信息记录装置
DE10062078A1 (de) 2000-12-13 2002-06-20 Thomson Brandt Gmbh Verfahren zum Erzeugen eines Linsenpositionssignals sowie entsprechendes Gerät zum Lesen und/oder Beschreiben eines optischen Aufzeichnungsträgers
JP2002216372A (ja) 2001-01-23 2002-08-02 Pioneer Electronic Corp 光ピックアップ装置
JP2002245660A (ja) 2001-02-20 2002-08-30 Hitachi Ltd 光ピックアップ装置及びそれを用いた光学的情報再生装置
JP2003045051A (ja) 2001-07-31 2003-02-14 Pioneer Electronic Corp 情報記録再生装置
JP3571315B2 (ja) 2001-09-27 2004-09-29 株式会社東芝 光ディスク装置
US6940805B2 (en) * 2001-10-23 2005-09-06 Dragsholm Wireless Holdings Llc Methods and apparatus for cross-talk and jitter reduction in multi-beam optical disks
KR100524959B1 (ko) * 2003-04-14 2005-11-01 삼성전자주식회사 광픽업 및 광 기록 및/또는 재생 기기 및 호환 트랙킹구현 방법
JP2008034080A (ja) * 2006-06-29 2008-02-14 Sharp Corp 光集積ユニットおよび光ピックアップ装置

Also Published As

Publication number Publication date
JP4219363B2 (ja) 2009-02-04
CN1771543A (zh) 2006-05-10
JP2007520833A (ja) 2007-07-26
EP1665243B1 (de) 2010-12-15
KR20050029064A (ko) 2005-03-24
EP1665243A1 (de) 2006-06-07
CN100378832C (zh) 2008-04-02
KR100933291B1 (ko) 2009-12-22
AU2003271220A1 (en) 2005-04-11
US8159908B2 (en) 2012-04-17
EP1665243A4 (de) 2008-09-03
WO2005029481A1 (en) 2005-03-31
US20060209647A1 (en) 2006-09-21
ATE492018T1 (de) 2011-01-15

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