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Optical lens displacement systems

  • US 20100033835A1
  • Filed: 12/10/2007
  • Published: 02/11/2010
  • Est. Priority Date: 03/21/2005
  • Status: Active Grant
First Claim
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1. A lens displacement system comprising:

  • a lens unit comprising at least one lens positioned along a focal axis, the lens unit having a linear bearing surface;

    an electroactive polymer actuator positioned adjacent the lens unit wherein activation of the actuator moves the lens unit along the focal axis; and

    a linear guide adjacent to the linear bearing surface for maintaining the position of the lens unit.

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