JP4451755B2 - 光ピックアップ - Google Patents
光ピックアップ Download PDFInfo
- Publication number
- JP4451755B2 JP4451755B2 JP2004305027A JP2004305027A JP4451755B2 JP 4451755 B2 JP4451755 B2 JP 4451755B2 JP 2004305027 A JP2004305027 A JP 2004305027A JP 2004305027 A JP2004305027 A JP 2004305027A JP 4451755 B2 JP4451755 B2 JP 4451755B2
- Authority
- JP
- Japan
- Prior art keywords
- optical
- holder
- optical component
- lens
- 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.)
- Expired - Fee Related
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- Optical Recording Or Reproduction (AREA)
- Optical Head (AREA)
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
Description
Claims (3)
- 光を射出する発光素子と、この発光素子からの光の射出状態を制御する駆動回路基板と、射出された光を光学部品を介してディスクの所定位置に導き、ディスクからの反射光を検出器に導くレンズ駆動装置と、前記発光素子を搭載するピックアップ筐体とを備え、
前記光学部品の周囲にこの光学部品よりも熱伝導率の高いホルダを設け、前記ホルダはフランジ部を有し、このフランジ部を、光学部品の位置決め面とは異なる面に設けた光ピックアップにおいて、
前記ピックアップ筐体に複数の突起を設け、この突起と前記光学部品とを点接触させて位置決めすることを特徴とする光ピックアップ。 - 前記突起を前記ホルダと接触しない位置に形成したことを特徴とする請求項1記載の光ピックアップ。
- 前記ホルダを磁気回路のヨークと一体化したことをことを特徴とする請求項1記載の光ピックアップ。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004305027A JP4451755B2 (ja) | 2004-10-20 | 2004-10-20 | 光ピックアップ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004305027A JP4451755B2 (ja) | 2004-10-20 | 2004-10-20 | 光ピックアップ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006120206A JP2006120206A (ja) | 2006-05-11 |
JP4451755B2 true JP4451755B2 (ja) | 2010-04-14 |
Family
ID=36537955
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004305027A Expired - Fee Related JP4451755B2 (ja) | 2004-10-20 | 2004-10-20 | 光ピックアップ |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4451755B2 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4505375B2 (ja) * | 2005-04-25 | 2010-07-21 | パナソニック株式会社 | 光学ユニット |
US20090328084A1 (en) * | 2006-09-04 | 2009-12-31 | Pioneer Corporation | Pickup apparatus |
JP2010009675A (ja) * | 2008-06-27 | 2010-01-14 | Sanyo Electric Co Ltd | 光ピックアップ装置 |
-
2004
- 2004-10-20 JP JP2004305027A patent/JP4451755B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2006120206A (ja) | 2006-05-11 |
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