发明名称 Zooming device
摘要 A zooming device for a camera, which comprises a rocker which operates a plurality of successively operable switches provided on each side of the center of rotation. The rocker can be turned in either direction to operate the first one of the plurality of switches so as to obtain zooming by a corresponding multiple lens group in the corresponding direction and at a predetermined speed. The zooming speed can be changed to a next speed when a second one of the switches is operated by further turning of the rocker.
申请公布号 US4445757(A) 申请公布日期 1984.05.01
申请号 US19820422443 申请日期 1982.09.23
申请人 ASAHI KOGAKU KOGYO KABUSHIKI KAISHA 发明人 ENOMOTO, SHIGEO;HIROBE, HITOSHI;URATA, SHINJI
分类号 G03B7/26;G02B7/08;G02B7/10;G03B5/00;(IPC1-7):G02B7/11 主分类号 G03B7/26
代理机构 代理人
主权项
地址