发明名称 Optical apparatus
摘要 Disclosed is an optical apparatus which comprises an optical lens unit, a manual operation device for manually operating the optical lens unit, and a drive device for driving the optical unit by electrical power, in which the manual operation device and the drive device are coupled with each other by magnetic force, in which when driven by the drive device, the optical lens is driven as the two devices are coupled, and in which when the manual operation device is operated manually, the optical lens is driven as the drive device is fixed. <IMAGE>
申请公布号 EP0773459(A3) 申请公布日期 1998.05.06
申请号 EP19960118121 申请日期 1996.11.12
申请人 CANON KABUSHIKI KAISHA 发明人 YAMAMOTO, HARUSHISA
分类号 G03B17/00;G02B7/04;G02B7/10;H02K49/10 主分类号 G03B17/00
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