Camera with electroactive telescopic shutter module

Details Camera with electroactive telescopic shutter module Camera with electroactive telescopic shutter module

2011-08-02

2011-08-02

Perkey, W. B. (Department: 2862)

Photography

Camera detail

Shutter

C359S295000

Reexamination Certificate

active

07988370

ABSTRACT:
A camera includes a lens module, an image sensor, and a shutter module. The centers of the image sensor and the shutter module are on an optical axis of the lens module. The shutter module includes a frame and an electroactive telescopic unit having a first electroactive polymer layer, two compliant electrode layers, and two second electroactive polymer layers. The center of the electroactive telescopic unit has a through hole through the first electroactive polymer layer, the two compliant electrode layers, and the two second electroactive polymer layers. A central axis of the through hole and the optic axis of the lens module are coaxial. The electroactive telescopic unit is contractible or expandable along a direction perpendicularly to the optic axis of the lens module in response to a change in a voltage applied between the two compliant electrode layers.

REFERENCES:
patent: 2008/0124072 (2008-05-01), Yuan
patent: 2010/0021156 (2010-01-01), Lin

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