Method for determining an imbalance characteristic of an oscillator
US10120341B2 · kind B2 · utility
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20Claims
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Key dates
| Filing date | Jun 25, 2013 |
| Grant date | Nov 6, 2018 |
| Priority date | — |
| Expiry date | Aug 21, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG04D7/1242
- WIPO fieldMeasurement
- WIPO sectorInstruments
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.