| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an optical pickup device for recording and reproducing a plurality of optical information recording media, which simplifies the assembly thereof and improves work efficiency and is resistant to a temperature change and change with time, and to provide its light source unit. <P>SOLUTION: The optical pickup device 10 is characterized in that a first light source 11 used for recording/reproducing a first optical information recording media, a second light source 12 used for recording/reproducing a second optical information recording media and an optical detecting means 50 for receiving and detecting a luminous flux reflected from an information recording surface are integrated into a unit 60. <P>COPYRIGHT: (C)2008,JPO&INPIT |
