Frequency regulation of a timepiece regulator via action on the rigidity of an elastic return means
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United States of America Patent
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Dec 1, 2015
Grant Date -
Aug 20, 2015
app pub date -
Feb 12, 2015
filing date -
Feb 17, 2014
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Abstract
Method of regulating the frequency of a resonator mechanism around its natural frequency, this mechanism including an elastic return means with a balance spring or a torsion wire, wherein a regulator device acts on this resonator mechanism with a periodic motion, with a regulation frequency which is comprised between 0.9 times and 1.1 times the value of an integer multiple between 2 and 10 of this natural frequency, controlling a periodic variation in the real part and/or the imaginary part of the rigidity of this elastic return means, this method being applied to a timepiece movement comprising a resonator mechanism of this type and including a regulator device arranged to control a periodic variation in the rigidity of this elastic return means.
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