Perimeter piezo reservoir in a lens
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United States of America Patent
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Jul 16, 2013
Grant Date -
Apr 12, 2012
app pub date -
Oct 11, 2011
filing date -
Oct 11, 2010
priority date (Note) -
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Abstract
An embodiment of a piezoelectric actuator system for a fluid-filled lens is described herein. A piezoelectric reservoir is provided encompassing a fluid. In an embodiment, the reservoir is disposed around the perimeter of a lens module within a housing. In an embodiment, electrodes are woven into the reservoir and connected to a power source. An applied potential causes the reservoir to flex with a magnitude and direction related to the amplitude and polarity respectively of the potential. In an embodiment, flexing of the reservoir causes fluid to either inflate or deflate the fluid-filled lens module.
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