Optical pickup apparatus and optical disc apparatus using same
文献类型：专利
| 作者 | KAMISADA, TOSHIMASA; KITADA, YASUO; YAMAZAKI, KAZUYOSHI; KAWAMURA, TOMOTO; KONISHI, YOSHIRO |
| 发表日期 | 2008-04-24 |
| 专利号 | US20080093569A1 |
| 著作权人 | KAMISADA TOSHIMASA |
| 国家 | 美国 |
| 文献子类 | 发明申请 |
| 其他题名 | Optical pickup apparatus and optical disc apparatus using same |
| 英文摘要 | An optical pickup apparatus includes a semiconductor laser for emitting a laser light, an objective lens for irradiating the light flux emitted from the semiconductor laser onto an optical disc, and a light detector for receiving the light flux reflected from the optical disc. The light detector has a light receiving part that comprises five regions of a region 1, a region 2, a region 3 and a region 4. |
| 公开日期 | 2008-04-24 |
| 申请日期 | 2007-10-31 |
| 状态 | 失效 |
| 源URL | [http://ir.opt.ac.cn/handle/181661/58165]  |
| 专题 | 半导体激光器专利数据库 |
| 作者单位 | KAMISADA TOSHIMASA |
| 推荐引用方式 GB/T 7714 | KAMISADA, TOSHIMASA,KITADA, YASUO,YAMAZAKI, KAZUYOSHI,et al. Optical pickup apparatus and optical disc apparatus using same. US20080093569A1. 2008-04-24. |
入库方式： OAI收割
来源：西安光学精密机械研究所
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