CN103137148B - 光信息再生装置 - Google Patents

光信息再生装置 Download PDF

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Publication number
CN103137148B
CN103137148B CN201210494954.3A CN201210494954A CN103137148B CN 103137148 B CN103137148 B CN 103137148B CN 201210494954 A CN201210494954 A CN 201210494954A CN 103137148 B CN103137148 B CN 103137148B
Authority
CN
China
Prior art keywords
mentioned
light
signal
detecting device
light beam
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
CN201210494954.3A
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English (en)
Chinese (zh)
Other versions
CN103137148A (zh
Inventor
井手达朗
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.)
Hitachi Consumer Electronics Co Ltd
Original Assignee
Hitachi Media 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 Hitachi Media Electronics Co Ltd filed Critical Hitachi Media Electronics Co Ltd
Publication of CN103137148A publication Critical patent/CN103137148A/zh
Application granted granted Critical
Publication of CN103137148B publication Critical patent/CN103137148B/zh
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • G11B7/08—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
    • G11B7/0917—Focus-error methods other than those covered by G11B7/0909 - G11B7/0916
    • 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
    • G11B7/005—Reproducing

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
CN201210494954.3A 2011-11-28 2012-11-28 光信息再生装置 Expired - Fee Related CN103137148B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011-258428 2011-11-28
JP2011258428A JP5686717B2 (ja) 2011-11-28 2011-11-28 光情報再生装置

Publications (2)

Publication Number Publication Date
CN103137148A CN103137148A (zh) 2013-06-05
CN103137148B true CN103137148B (zh) 2016-01-13

Family

ID=48466798

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201210494954.3A Expired - Fee Related CN103137148B (zh) 2011-11-28 2012-11-28 光信息再生装置

Country Status (3)

Country Link
US (1) US8493830B2 (enExample)
JP (1) JP5686717B2 (enExample)
CN (1) CN103137148B (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6003366B2 (ja) * 2012-08-06 2016-10-05 ソニー株式会社 再生装置、再生方法
CN104297218B (zh) * 2013-07-15 2016-09-14 中国科学院沈阳自动化研究所 远距离冶金液态金属成分的原位、在线检测装置及方法
JP2015028823A (ja) * 2013-07-30 2015-02-12 ソニー株式会社 再生装置および再生方法
NL2017933A (en) * 2015-12-18 2017-06-26 Asml Netherlands Bv Focus monitoring arrangement and inspection apparatus including such an arrangement
US10187948B1 (en) * 2018-05-31 2019-01-22 Pixart Imaging Inc. Light control circuit and optical encoder system
JP7090135B2 (ja) * 2020-10-23 2022-06-23 浜松ホトニクス株式会社 レーザ装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101051212A (zh) * 2006-04-06 2007-10-10 大宇电子株式会社 光学信息再现设备及使用其的光学信息再现方法
CN101086861A (zh) * 2006-06-07 2007-12-12 大宇电子株式会社 光学信息处理设备以及光学信息记录和再现方法
CN101650953A (zh) * 2008-08-13 2010-02-17 日立视听媒体股份有限公司 光信息检测方法、光拾取器及光信息记录再现装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4482036B2 (ja) * 2005-11-24 2010-06-16 富士通株式会社 ホログラフィック記録装置
JP4861948B2 (ja) 2007-02-23 2012-01-25 株式会社日立製作所 光ヘッドおよび光ディスク装置
US8023390B2 (en) 2007-02-23 2011-09-20 Hitachi, Ltd. Optical head and optical disk device
JP5256161B2 (ja) * 2009-10-02 2013-08-07 日立コンシューマエレクトロニクス株式会社 光情報記録再生装置及び情報再生装置
JP5417269B2 (ja) 2010-07-05 2014-02-12 日立コンシューマエレクトロニクス株式会社 光情報再生装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101051212A (zh) * 2006-04-06 2007-10-10 大宇电子株式会社 光学信息再现设备及使用其的光学信息再现方法
CN101086861A (zh) * 2006-06-07 2007-12-12 大宇电子株式会社 光学信息处理设备以及光学信息记录和再现方法
CN101650953A (zh) * 2008-08-13 2010-02-17 日立视听媒体股份有限公司 光信息检测方法、光拾取器及光信息记录再现装置

Also Published As

Publication number Publication date
JP5686717B2 (ja) 2015-03-18
US8493830B2 (en) 2013-07-23
CN103137148A (zh) 2013-06-05
JP2013114705A (ja) 2013-06-10
US20130135978A1 (en) 2013-05-30

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Legal Events

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C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C53 Correction of patent of invention or patent application
CB02 Change of applicant information

Address after: Kanagawa County, Yokohama City, Japan, Yoshida, 501 households

Applicant after: HITACHI MEDIA ELECTRONICS Co.,Ltd.

Address before: Iwate County

Applicant before: HITACHI MEDIA ELECTRONICS Co.,Ltd.

C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160113

CF01 Termination of patent right due to non-payment of annual fee