发明名称 Zoom ratio adjusting device and camera equipped with the same
摘要 A zoom ratio adjusting device includes a member movable between a telephoto end position and a wide-angle end position on opposite sides of a neutral position which is provided with a first and a second elastic arm, each arm being deformable while the zoom ratio adjusting member moves toward each of the telephoto end and wide-angle end positions to accumulate reactive force for returning the member to the neutral position and to hold the zoom ratio adjusting member in the neutral position.
申请公布号 US6018632(A) 申请公布日期 2000.01.25
申请号 US19980168612 申请日期 1998.10.09
申请人 FUJI PHOTO FILM CO., LTD. 发明人 TAKAMURA, MASASHI
分类号 G02B7/10;(IPC1-7):G03B17/00 主分类号 G02B7/10
代理机构 代理人
主权项
地址