Coupled resonator for regulating system
AssigneeThe Swatch Group Research and Development Ltd
InventorsThierry Hessler, Kaspar Trümpy
Life of this patent
Estimating the term…
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.
Claims12
A coupled resonator including a first low frequency resonator and a second higher frequency resonator, the first resonator and the second resonator including permanent mechanical coupling means wherein the first resonator is a balance spring and in that the second resonator is a tuning fork including two arms connected by a foot, one of the arms being secured to the outer curve of the balance spring and the other arm being free.
Dependencies are inferred from the claim text.