发明名称 Focusing lens control apparatus with automatic and manual focus adjustment modes
摘要 A lens control apparatus has an electric motor connected to a focusing lens to drive the focusing lens, an automatic focus adjustment device which supplies electrical power to the motor to operate the motor electrically to drive the focusing lens in an automatic focus adjustment mode, and a manual operation device which operates the motor mechanically to drive the focusing lens in a manual focus adjustment mode. A control device stops supplying of electrical power to the motor when the manual operation device is operated.
申请公布号 US5675441(A) 申请公布日期 1997.10.07
申请号 US19960641832 申请日期 1996.05.02
申请人 NIKON CORPORATION 发明人 IMANARI, HITOSHI
分类号 G02B7/04;G02B7/08;H02N2/00;(IPC1-7):G02B15/14 主分类号 G02B7/04
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