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Shape memory alloy actuation apparatus

机译:形状记忆合金致动装置

摘要

A shape memory alloy actuation apparatus has a support structure 2 and a lens element 20 comprising at least one lens supported on the support structure by a suspension system arranged to guide movement of the movable element along a movement direction with respect to the support structure that is inclined at a first acute angle α greater than 0 degrees with respect to the optical axis O of the lens element. At least one length of shape memory alloy actuator wire 40 is connected between the support structure and the movable element for driving movement of the movable element relative to the support structure, and is inclined at second acute angle β, greater than the first acute angle, with respect to the optical axis. The suspension system may consist of a bearing arrangement.
机译:形状记忆合金致动装置具有支撑结构2和透镜元件20,透镜元件20包括至少一个由悬架系统支撑在支撑结构上的透镜,该悬架系统沿可移动元件相对于支撑结构的运动方向引导运动。相对于透镜元件的光轴O以大于0度的第一锐角α倾斜。形状记忆合金致动器线40的至少一个长度连接在支撑结构和可移动元件之间,用于驱动可移动元件相对于支撑结构的运动,并且以大于第一锐角的第二锐角β倾斜。相对于光轴。悬架系统可以由轴承装置组成。

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