Optical pickup apparatus
文献类型：专利
| 作者 | HOTTA, TOHRU; KAWASAKI, RYOICHI |
| 发表日期 | 2011-06-07 |
| 专利号 | US7957234 |
| 著作权人 | SANYO ELECTRIC CO., LTD. |
| 国家 | 美国 |
| 文献子类 | 授权发明 |
| 其他题名 | Optical pickup apparatus |
| 英文摘要 | An optical pickup apparatus comprising: a laser diode; an objective lens configured to focus laser light emitted from the laser diode on a signal recording layer of an optical disc; a first aberration correction element arranged in an optical path between the laser diode and the objective lens; and a second aberration correction element arranged in the optical path between the laser diode and the objective lens and having an aberration correction speed lower than the aberration correction speed of the first aberration correction element, the first aberration correction element and the second aberration correction element being selectively operated according to the required aberration correction speed. |
| 公开日期 | 2011-06-07 |
| 申请日期 | 2009-02-20 |
| 状态 | 失效 |
| 源URL | [http://ir.opt.ac.cn/handle/181661/68261]  |
| 专题 | 半导体激光器专利数据库 |
| 作者单位 | SANYO ELECTRIC CO., LTD. |
| 推荐引用方式 GB/T 7714 | HOTTA, TOHRU,KAWASAKI, RYOICHI. Optical pickup apparatus. US7957234. 2011-06-07. |
入库方式： OAI收割
来源：西安光学精密机械研究所
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