发明名称 |
Optical disc drive apparatus. |
摘要 |
<p>@ An optical disc drive apparatus has a remarkably improved track accessing ability in comparison with conventional like apparatus. On a base are provided an optical system having a light emitting element and a lightsensing element, as well as an optical path deflecting element which performs a precision tracking. Further, an objective lens and a light guide element are provided on a rotating element which performs track seek and rough tracking. The light guide element comprises two reflecting members which are opposed in parallel with each other.</p> |
申请公布号 |
EP0203816(A2) |
申请公布日期 |
1986.12.03 |
申请号 |
EP19860304080 |
申请日期 |
1986.05.29 |
申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
发明人 |
ISHIBASHI, HIROMICHI;TANAKA, SHINICHI;SHIMIZU, RYOSUKE;KUWAMOTO, MAKOTO;YAMAMOTO, HAJIME |
分类号 |
G11B7/085;G11B7/09;G11B7/135;(IPC1-7):G11B7/135 |
主分类号 |
G11B7/085 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|