Tunable lens device
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United States of America Patent
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Nov 15, 2022
Grant Date -
Nov 12, 2020
app pub date -
May 21, 2020
filing date -
Oct 8, 2013
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An actuator including an electrically conducting coil arranged on or integrated into a wall member, wherein the electrically conducting coil is arranged adjacent to a magnetic flux return structure. A magnet connected to a carrier, wherein the magnet interacts with the electrically conducting coil such that when a current is applied to the coil the coil is either moved towards the carrier along an axial direction or away from the carrier along the axial direction depending on a direction of the current within the coil. A magnetic flux guiding structure connected to the carrier, wherein magnetic flux is guided through the flux return structure and the flux guiding structure.
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