| Objective lens drive device and optical pickup | |
| SATO, YOSHIHIRO; SAITO, HIDENAO; HATO, JUN; MIZUNO, RYUICHIRO; KIMURA, KATSUHIKO; KATO, SEIICHI | |
| 2014-06-03 | |
| 著作权人 | HITACHI MEDIA ELECTRONICS CO., LTD. |
| 专利号 | US8743668 |
| 国家 | 美国 |
| 文献子类 | 授权发明 |
| 其他题名 | Objective lens drive device and optical pickup |
| 英文摘要 | In an optical pickup equipped with a semiconductor laser, electro-optical components such as a lens, and an objective lens drive device, the objective lens drive device includes objective lenses, a holder holding the objective lenses, a focusing coil, and tracking coils. The focusing coil is wound in parallel to the optical surface of the objective lens, and formed in a parallelogram shape having inclined portions provided near the tracking coils. The two tracking coils are placed on diagonal portions of the lens holder. |
| 公开日期 | 2014-06-03 |
| 申请日期 | 2010-12-14 |
| 状态 | 失效 |
| 内容类型 | 专利 |
| 源URL | [http://ir.opt.ac.cn/handle/181661/32898]  |
| 专题 | 半导体激光器专利数据库 |
| 作者单位 | HITACHI MEDIA ELECTRONICS CO., LTD. |
| 推荐引用方式 GB/T 7714 | SATO, YOSHIHIRO,SAITO, HIDENAO,HATO, JUN,et al. Objective lens drive device and optical pickup. US8743668. 2014-06-03. |
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