Mechanism for regulating the rate of a timepiece oscillator
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United States of America Patent
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Oct 31, 2017
Grant Date -
Jan 19, 2017
app pub date -
Jul 12, 2016
filing date -
Jul 16, 2015
priority date (Note) -
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Abstract
A microsystem for setting the rate of a timepiece oscillator, including a wheel/inertia block including an off-center unbalance and a toothing and arranged to pivot with respect to a base plate of the microsystem, which includes an actuator driving a first active click arranged to drive the toothing, and includes a device for stopping the toothing in position, wherein the actuator is a thermomechanical actuator arranged to convert a flow of light energy into a displacement of a distal end of the thermomechanical actuator, which carries a first active click or directly controls a movement of a first active click, and the microsystem is capable of incorporation in a watch including a crystal transparent to predetermined wavelengths ranges and allowing the passage of a light ray to regulate the microsystem.
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