Multi-State Electrostatic Actuator and Digital Camera Therewith
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United States of America Patent
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Issued Date -
Nov 28, 2013
app pub date -
Feb 6, 2012
filing date -
Feb 7, 2011
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Abandoned
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Abstract
An actuator that operates by electrostatic attraction and repulsion and can have fixed and moving electrodes is disclosed for one or more embodiments. The fixed and moving electrodes can be inclined relative to each other at an acute angle. The actuator can be radially symmetric and mirrored about the moving electrode. The moving electrode can have a central aperture over which is placed an optical element such as a lens. The optical element can be part of an optical train that permits the focus of an electronic camera to be modified by changing the displacement of the lens along the optical axis of the camera.
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