发明名称 |
Optical pickup device, optical disk apparatus, and light-receiving unit |
摘要 |
An optical pickup device, comprises a first light source emitting light with a short wavelength; a second light source emitting s light with a wavelength longer than that of the first light source; an optical member guiding the light from the first light source and the light from the second light source on almost the same optical path; a focusing member focusing the light from the optical member; a movable lens provided between the optical member and the focusing lens; and a drive member driving the movable lens, wherein a position of the lens when at least one of recording and reproducing of information is carried out on a medium using the light from the first light source is made different from a position of the lens when at least one of the recording and reproducing of information is carried out on the medium using the light from the second light source.
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申请公布号 |
US2006028935(A1) |
申请公布日期 |
2006.02.09 |
申请号 |
US20050194753 |
申请日期 |
2005.08.02 |
申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
发明人 |
MORI TAIICHI;HORINOUCHI SHOGO;YOSHINAKA HIDEKI;HARUGUCHI TAKASHI;OHYAMA HIDEKI;ISHIBASHI SHIN;ASO JUNYA;YOSHIMOTO TSUYOSHI;MAEHARA YOUICHI |
分类号 |
G11B7/00 |
主分类号 |
G11B7/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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