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US07889028B2 Coupled resonator for regulating system 有权
用于调节系统的耦合谐振器

Coupled resonator for regulating system
Abstract:
The coupled resonator comprises a first low frequency resonator, such as a balance spring (1) and a second higher frequency resonator, such as a tuning fork (2), the two resonators (1 and 2) including permanent mechanical coupling means. Application to the regulating system of a timepiece.
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