METHOD AND SYSTEM FOR REDUCING ACTUATION FORCES FOR AN ADJUSTABLE OPTICAL ELEMENT
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United States of America
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Issued Date -
Apr 10, 2025
app pub date -
Oct 2, 2024
filing date -
Oct 2, 2024
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Abstract
The invention relates to a multi-phase actuation method for adjusting an optical element comprising a plurality of actuators, wherein the method comprises the steps of: Determining an end position for each actuator to which each actuator is to be actuated for adjusting the optical element; In a first actuation phase, driving at least two or more actuators of the plurality of actuators to a first actuation position; in a second actuation phase, driving all actuators that have not reached their associated end position to their associated end position, wherein at least one of the two or more actuators reverses its drive direction to reach its associated end position(s), such that the optical element arrives in its adjusted state.
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