JP2006053994A5 - - Google Patents
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- Publication number
- JP2006053994A5 JP2006053994A5 JP2004234574A JP2004234574A JP2006053994A5 JP 2006053994 A5 JP2006053994 A5 JP 2006053994A5 JP 2004234574 A JP2004234574 A JP 2004234574A JP 2004234574 A JP2004234574 A JP 2004234574A JP 2006053994 A5 JP2006053994 A5 JP 2006053994A5
- Authority
- JP
- Japan
- Prior art keywords
- optical
- information recording
- laser light
- recording surface
- optical pickup
- 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
Links
- 230000003287 optical effect Effects 0.000 claims 17
- 230000004075 alteration Effects 0.000 claims 2
- 239000000758 substrate Substances 0.000 claims 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004234574A JP2006053994A (ja) | 2004-08-11 | 2004-08-11 | 光ピックアップ |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004234574A JP2006053994A (ja) | 2004-08-11 | 2004-08-11 | 光ピックアップ |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2006053994A JP2006053994A (ja) | 2006-02-23 |
| JP2006053994A5 true JP2006053994A5 (enExample) | 2007-07-05 |
Family
ID=36031372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2004234574A Pending JP2006053994A (ja) | 2004-08-11 | 2004-08-11 | 光ピックアップ |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2006053994A (enExample) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4797796B2 (ja) * | 2006-05-25 | 2011-10-19 | 株式会社ケンウッド | 光ディスク再生装置、光ディスク再生方法及び光ディスク再生プログラム |
| EP4235230A1 (en) | 2016-09-13 | 2023-08-30 | Facebook Technologies, LLC | Fresnel lens with dynamic draft for reduced optical artifacts |
| JP7001345B2 (ja) | 2017-01-17 | 2022-02-03 | マクセルフロンティア株式会社 | 回折レンズおよびそれを用いた車載用灯具 |
-
2004
- 2004-08-11 JP JP2004234574A patent/JP2006053994A/ja active Pending
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