Auto-focus and image stabilisation in the same shape memory actuator

Cambridge Mechatronics has created a shape memory alloy actuator for cameras that combines auto-focus and optical image stabilisation (AF+OIS) in the same structure. Designed to move the lens above an image sensor, the actuator uses eight shape memory wires. “By placing shape memory alloy wires in a three-dimensional configuration around the lens, the single actuator ...
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