JP2006351169A5 - - Google Patents
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- Publication number
- JP2006351169A5 JP2006351169A5 JP2006153495A JP2006153495A JP2006351169A5 JP 2006351169 A5 JP2006351169 A5 JP 2006351169A5 JP 2006153495 A JP2006153495 A JP 2006153495A JP 2006153495 A JP2006153495 A JP 2006153495A JP 2006351169 A5 JP2006351169 A5 JP 2006351169A5
- Authority
- JP
- Japan
- Prior art keywords
- light beam
- recording medium
- land
- state
- optical
- 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.)
- Granted
Links
- 230000003287 optical effect Effects 0.000 claims 16
- 230000000694 effects Effects 0.000 claims 1
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP05012989.9 | 2005-06-16 | ||
| EP05012989A EP1736975A1 (en) | 2005-06-16 | 2005-06-16 | Pickup for optical recording medium |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2006351169A JP2006351169A (ja) | 2006-12-28 |
| JP2006351169A5 true JP2006351169A5 (enExample) | 2009-07-02 |
| JP4996139B2 JP4996139B2 (ja) | 2012-08-08 |
Family
ID=35276135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2006153495A Expired - Fee Related JP4996139B2 (ja) | 2005-06-16 | 2006-06-01 | 光学記録媒体用のピックアップ |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US7541564B2 (enExample) |
| EP (2) | EP1736975A1 (enExample) |
| JP (1) | JP4996139B2 (enExample) |
| KR (1) | KR101296761B1 (enExample) |
| CN (1) | CN1881432B (enExample) |
| DE (1) | DE602006008387D1 (enExample) |
| MY (1) | MY143008A (enExample) |
| TW (1) | TWI376689B (enExample) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4433315B2 (ja) * | 2006-01-12 | 2010-03-17 | ソニー株式会社 | 光ピックアップ及び光情報装置 |
| EP2009626A1 (en) * | 2007-06-29 | 2008-12-31 | Deutsche Thomson OHG | Apparatus comprising a pickup unit providing three beams for reading data from or writing data to an optical storage medium, and respective optical storage medium |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63113937A (ja) * | 1986-10-31 | 1988-05-18 | Kyocera Corp | 光学的読み取り方法 |
| JPH0793757A (ja) * | 1993-09-22 | 1995-04-07 | Sanyo Electric Co Ltd | 光記録媒体及びその記録再生方法 |
| US5717674A (en) * | 1995-06-30 | 1998-02-10 | Sanyo Electrics Co., Ltd. | Three-beam generating diffraction grating, transmission type holographic optical element and optical pickup apparatus using the same |
| US20020075783A1 (en) * | 1998-02-20 | 2002-06-20 | Amir Alon | Switchable liquid crystal diffractive element |
| JP3560805B2 (ja) * | 1998-03-20 | 2004-09-02 | パイオニア株式会社 | 光ピックアップ |
| US6687196B1 (en) * | 1998-05-08 | 2004-02-03 | Fuji Xerox Co., Lt.D. | Method and apparatus for implementing high density recording on a recording medium and a method of manufacturing same |
| JP2002074727A (ja) * | 2000-09-01 | 2002-03-15 | Samsung Electro Mech Co Ltd | ダイナミック制御回折格子並びに情報記録再生装置と情報再生装置 |
| JP4822037B2 (ja) * | 2001-08-24 | 2011-11-24 | コニカミノルタホールディングス株式会社 | 光ピックアップ装置の対物レンズ及び光ピックアップ装置 |
| JP2003099984A (ja) * | 2001-09-26 | 2003-04-04 | Toshiba Corp | 光学的情報記録または再生装置および光学的情報記録媒体 |
| KR20050054990A (ko) * | 2002-10-04 | 2005-06-10 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 고 트랙밀도 초 분해능 광자기 롬 매체 |
| JP3772851B2 (ja) * | 2003-03-28 | 2006-05-10 | ソニー株式会社 | 光ピックアップ装置及び光ディスク装置 |
| JP2005339646A (ja) * | 2004-05-26 | 2005-12-08 | Mitsumi Electric Co Ltd | 光ピックアップおよびそれに使用される回折格子 |
-
2005
- 2005-06-16 EP EP05012989A patent/EP1736975A1/en not_active Withdrawn
-
2006
- 2006-05-23 US US11/439,691 patent/US7541564B2/en not_active Expired - Fee Related
- 2006-05-23 KR KR1020060046091A patent/KR101296761B1/ko not_active Expired - Fee Related
- 2006-05-26 TW TW095118690A patent/TWI376689B/zh not_active IP Right Cessation
- 2006-06-01 DE DE602006008387T patent/DE602006008387D1/de active Active
- 2006-06-01 EP EP06300541A patent/EP1736977B1/en not_active Not-in-force
- 2006-06-01 JP JP2006153495A patent/JP4996139B2/ja not_active Expired - Fee Related
- 2006-06-02 CN CN2006100923854A patent/CN1881432B/zh not_active Expired - Fee Related
- 2006-06-06 MY MYPI20062605A patent/MY143008A/en unknown
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