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
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