CN1932984A - 读取角度复用凹坑的方法和装置 - Google Patents

读取角度复用凹坑的方法和装置 Download PDF

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Publication number
CN1932984A
CN1932984A CNA2006101262257A CN200610126225A CN1932984A CN 1932984 A CN1932984 A CN 1932984A CN A2006101262257 A CNA2006101262257 A CN A2006101262257A CN 200610126225 A CN200610126225 A CN 200610126225A CN 1932984 A CN1932984 A CN 1932984A
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CN
China
Prior art keywords
detector
pit
angle
pits
rotation
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
CNA2006101262257A
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English (en)
Chinese (zh)
Inventor
约阿希姆·尼特尔
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.)
Thomson Licensing SAS
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Thomson Licensing SAS
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 Thomson Licensing SAS filed Critical Thomson Licensing SAS
Publication of CN1932984A publication Critical patent/CN1932984A/zh
Pending legal-status Critical Current

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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
    • G11B7/13—Optical detectors therefor

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  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
CNA2006101262257A 2005-09-16 2006-08-25 读取角度复用凹坑的方法和装置 Pending CN1932984A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP05108557.9 2005-09-16
EP05108557A EP1764791A1 (en) 2005-09-16 2005-09-16 Method and device for reading angular multiplexed pits

Publications (1)

Publication Number Publication Date
CN1932984A true CN1932984A (zh) 2007-03-21

Family

ID=35708987

Family Applications (1)

Application Number Title Priority Date Filing Date
CNA2006101262257A Pending CN1932984A (zh) 2005-09-16 2006-08-25 读取角度复用凹坑的方法和装置

Country Status (5)

Country Link
US (1) US20070064553A1 (https=)
EP (1) EP1764791A1 (https=)
JP (1) JP2007087570A (https=)
CN (1) CN1932984A (https=)
TW (1) TW200717479A (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106872754A (zh) * 2017-01-24 2017-06-20 福州大学 基于四象限探测器实现的线性光学电流传感器及检测方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106017360B (zh) * 2016-08-07 2019-01-29 哈尔滨工业大学 便携式阵列调零高频响大工作距自准直装置与方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2612329B2 (ja) * 1988-12-27 1997-05-21 シャープ株式会社 光メモリ素子並びに光メモリ再生装置
JPH0438720A (ja) * 1990-06-01 1992-02-07 Olympus Optical Co Ltd 光学式多値記録再生方式
JP3267748B2 (ja) 1993-06-08 2002-03-25 パイオニア株式会社 情報再生方法及び光検出器
JPH0721569A (ja) * 1993-07-06 1995-01-24 Pioneer Electron Corp 光ディスク、光ディスク再生装置及び光ディスクの記録再生方法
EP0987689B1 (en) * 1998-09-14 2006-11-02 Matsushita Electric Industrial Co., Ltd. Tilt detection device, optical disc device, and tilt control method
JP2000339727A (ja) * 1999-05-18 2000-12-08 Lg Electronics Inc 光記録媒体の記録再生方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106872754A (zh) * 2017-01-24 2017-06-20 福州大学 基于四象限探测器实现的线性光学电流传感器及检测方法
CN106872754B (zh) * 2017-01-24 2019-06-07 福州大学 基于四象限探测器实现的线性光学电流传感器及检测方法

Also Published As

Publication number Publication date
JP2007087570A (ja) 2007-04-05
TW200717479A (en) 2007-05-01
US20070064553A1 (en) 2007-03-22
EP1764791A1 (en) 2007-03-21

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C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication

Open date: 20070321