Patent ID: 7877893

Claim:
A micromovement device comprising: a. a housing having a diaphragm; b. a first movable element located on a first side of said diaphragm; c. a second movable element located on a second side of said diaphragm; d. an actuator mounted on said diaphragm intermediate said first moveable element and said second moveable element; and e. a controller that is operatively coupled to said first moveable element, said second moveable element and said actuator, said controller being configured to detect i. a first current flowing between first moveable element and said diaphragm, ii. a second current flowing between said second moveable element and said diaphragm, wherein when said first current is above a first predetermined threshold current and said second current is above a second predetermined threshold current, said actuator is not energized, and when one of said first current and said second current drops below said respective first predetermined threshold and said second predetermined threshold, said controller causes said actuator to energize and move at least one of said first moveable element and said second moveable element with respect to said diaphragm.