Protective housing for a ceramic actuator

Details Protective housing for a ceramic actuator Protective housing for a ceramic actuator

2007-06-05

2007-06-05

Schuberg, Darren (Department: 2834)

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

C310S367000

Reexamination Certificate

active

10545971

ABSTRACT:
An example housing that protects a ceramic actuator from excessive and damaging displacement comprises a protective structure arranged to limit the motion of the actuator by contacting at least one section of the actuator between fixed and moving terminals of said actuator. A suspension system for a lens holder of a miniature camera actuated by a ceramic actuator comprises four pivotally connected link elements in form of a parallelogram connected between a housing and the lens holder.

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Pearce et al.,On piezoelectric super-helix actuators, Sensors and Actuators A 100, 2002, pp. 281-286.

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