Method for determining an imbalance characteristic of an oscillator
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United States of America Patent
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Nov 6, 2018
Grant Date -
Nov 26, 2015
app pub date -
Jun 25, 2013
filing date -
Jun 26, 2012
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Abstract
A method for determining an imbalance characteristic of a hairspring (5) balance (4) oscillator (3) of a timepiece movement (2), the method comprising at least the following steps: —Setting the hairspring balance oscillator in an oscillating motion at at least two amplitudes, —Determining, for each amplitude and for at least two positions of the oscillator, a piece of data representative of the oscillation period of the oscillator, —Using the data from the previous step to calculate the imbalance characteristic of the hairspring balance oscillator.
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