Multi-degree-of micro-actuator

Details Multi-degree-of micro-actuator Multi-degree-of micro-actuator

2011-07-05

2011-07-05

Rosenau, Derek J (Department: 2837)

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

C310S323160

Reexamination Certificate

active

07973450

ABSTRACT:
The present invention provides a multi-dimensional micro-actuator comprising a stator having a plurality of symmetrically arranged electrode piezoelectric plates, a rotator disposed near the stator, and a plurality of contacting elements. Each of the symmetrically arranged electrode piezoelectric plates comprises a piezoelectric plate, a first electrode, and a second electrode. The first and second electrodes are symmetrically arranged on a first surface of the piezoelectric plate. A second surface of the piezoelectric plate is coupled to the ground. The contacting elements are disposed on the electrode piezoelectric plates for rotation of the rotator.

REFERENCES:
patent: 5453653 (1995-09-01), Zumeris
patent: 5946127 (1999-08-01), Nagata
patent: 6078440 (2000-06-01), Ueyama
patent: 2008/0073999 (2008-03-01), Wischnewskij et al.
patent: 2008/0238249 (2008-10-01), Takahashi et al.

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