公开(公告)号：US20160282579A1

公开(公告)日：2016-09-29

申请号：US15077271

申请日：2016-03-22

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Koji IDEMITSU ,  Hironori HONSHO ,  Masahiro INATA

IPC: G02B7/04 ,  G03B13/34

CPC classification number: G02B7/10 ,  G03B3/10

Abstract: A lens barrel in the present disclosure includes: a lens frame; a movable lens held in the lens frame; a guide member that moves the lens frame in a first direction; a driver including a drive coil and a magnet that move the lens frame with electric power being supplied to the driver; a drive circuit that drives the driver; and a switching circuit that short-circuits ends of the drive coil when the drive circuit is in a non-energized state.

Abstract translation: 本公开的镜筒包括：透镜框; 保持在透镜框架中的可移动透镜; 引导构件，其沿第一方向移动所述透镜框; 驱动器，其包括驱动线圈和磁体，所述驱动线圈和磁体通过提供给所述驱动器的电力来移动所述透镜框; 驱动驱动器的驱动电路; 以及当驱动电路处于非通电状态时短路驱动线圈的端部的开关电路。