| Original document(18 pages) 中文版 |
The invention relates to an apparatus for measuring the distance and slope angle between optical pickup device and storage media and method for completing this. The apparatus comprises: on the light gathering component (object lens) being formed a supporting base; inserting a chock with refracting surface into the supporting base to make the light that irradiates out of the light gathering component refract take refraction; employing detecting component to detect the distance and slop angle. The invention is characterized in that: being able to realize functions of common focusing servo and sloping servo; being able to tracking the absolute distance and slope angle in real-time. |
Application Number
申请号 |
200410010558 |
Application Date
申请日 |
2004.12.31 |
| Title 名称 |
Apparatus and method for measuring distance and oblique angle between optical pick-up device and storage media
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Publication Number
公开号 |
1801350 |
Publication Date
公开日 |
2006.07.12 |
| Approval Pub. Date |
|
Granted Pub. Date |
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| International Classification 分类号 |
G11B7/095,G11B20/00 |
Applicant(s) Name
申请人 |
Shanghai LG Electronics Co., Ltd. |
| Address 地址 |
201206 |
| Inventor(s) Name 发明人 |
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| Attorney & Agent 代理人 |
wang ruzhen |
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