| 摘要 |
<p>A shaping assembly for shaping a light beam extending along an optical axis is equipped with: a support frame extending about a longitudinal axis; a plurality of screen elements supported by the support frame and arranged transversally with respect to the axis; a plurality of pairs of actuators, each of which is coupled with a respective screen element; each actuator comprising at least a moving device and transmission means, which are configured to transmit the movement of the moving device to the respective screen element and comprise at least one rod-crank type mechanism.</p> |
