JP2007087570A - 角度多重されたピットを読み出す方法及びデバイス - Google Patents

角度多重されたピットを読み出す方法及びデバイス Download PDF

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Publication number
JP2007087570A
JP2007087570A JP2006250660A JP2006250660A JP2007087570A JP 2007087570 A JP2007087570 A JP 2007087570A JP 2006250660 A JP2006250660 A JP 2006250660A JP 2006250660 A JP2006250660 A JP 2006250660A JP 2007087570 A JP2007087570 A JP 2007087570A
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JP
Japan
Prior art keywords
pits
rotated
angle
recording medium
optical recording
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.)
Abandoned
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JP2006250660A
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English (en)
Japanese (ja)
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JP2007087570A5 (https=
Inventor
Joachim Knittel
クニッテル ヨーアヒム
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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.)
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Publication date
Application filed by Thomson Licensing SAS filed Critical Thomson Licensing SAS
Publication of JP2007087570A publication Critical patent/JP2007087570A/ja
Publication of JP2007087570A5 publication Critical patent/JP2007087570A5/ja
Abandoned 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)
JP2006250660A 2005-09-16 2006-09-15 角度多重されたピットを読み出す方法及びデバイス Abandoned JP2007087570A (ja)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
JP2007087570A true JP2007087570A (ja) 2007-04-05
JP2007087570A5 JP2007087570A5 (https=) 2009-11-05

Family

ID=35708987

Family Applications (1)

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JP2006250660A Abandoned JP2007087570A (ja) 2005-09-16 2006-09-15 角度多重されたピットを読み出す方法及びデバイス

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=)

Families Citing this family (2)

* 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
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

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

Also Published As

Publication number Publication date
CN1932984A (zh) 2007-03-21
TW200717479A (en) 2007-05-01
US20070064553A1 (en) 2007-03-22
EP1764791A1 (en) 2007-03-21

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