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Electroactive polymer actuated devices

  • US 7,595,580 B2
  • Filed: 03/21/2005
  • Issued: 09/29/2009
  • Est. Priority Date: 03/21/2005
  • Status: Active Grant
First Claim
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1. An electroactive polymer transducer driven camera comprising:

  • a frame, a stable interface positioned centrally with respect to the frame, and electroactive polymer material stretched between the frame and the stable interface to form a diaphragm;

    a lens unit positioned adjacent the stable interface;

    wherein the motion of the diaphragm upon application of voltage changes the position of the lens unit to adjust the focus of the camera.

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