Method of driving small electromechanical element and small...

Details Method of driving small electromechanical element and small... Method of driving small electromechanical element and small...

2006-07-28

2008-08-19

Mack, Ricky L (Department: 2873)

Optical: systems and elements

Optical modulator

Light wave temporal modulation

C359S290000

Reexamination Certificate

active

07414774

ABSTRACT:
A method of driving a small electromechanical element, which includes: an elastic portion accumulating an elastic energy by being deformed elastically; a movable portion supported by the elastic portion; and a drive source exerting a physical acting force to maintain the movable portion, is provided. The movable portion is displaced to one normal position, an elastic energy is accumulated to the elastic portion, thereafter, the movable portion is maintained at one normal position by a physical acting force. Further, by releasing the elastic energy by stopping the physical acting force, the movable portion is displaced to other normal position while accumulating again an elastic energy having a polarity reverse to that of the preceding elastic energy and is maintained at other normal position. Thereby, the movable portion is displaced only by the elastic energy accumulated to the elastic portion without depending on the physical acting force from outside.

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