发明名称 OPTICAL PICKUP DEVICE
摘要 PROBLEM TO BE SOLVED: To provide an optical pickup device whose adjusting process is simple and whose cost is reduced. SOLUTION: The device is provided with an optical unit 102 having a main body 102a including a first light emitting element and a light receiving element, a laser diode 101 having a main body 101a including a second light emitting element exiting laser beams having a wavelength different from that of the first light emitting element, and a beam splitter 103 on which respective laser beams exited from the first and second light emitting elements are made incident and also which guides respective laser beams to a CD 61 or a DVD 62 as the same optical path. Return light from the CD 61 or the DVD 62 to the respective laser beams is received by the light receiving element.
申请公布号 JP2001167467(A) 申请公布日期 2001.06.22
申请号 JP19990346096 申请日期 1999.12.06
申请人 ALPS ELECTRIC CO LTD 发明人 KYOTANI SHOICHI
分类号 G11B7/135;G11B7/125 主分类号 G11B7/135
代理机构 代理人
主权项
地址