Patent · US Active

Coupled resonator for regulating system

US7889028B2 · kind B2 · utility

5Cited by

10References

12Claims

0Family size

Assignee

The Swatch Group Research and Development Ltd · CH

Inventors

Thierry Hessler · Neuchâtel, CH
Kaspar Trumpy · Moutier, CH

Key dates

Filing date	Apr 3, 2007
Grant date	Feb 15, 2011
Priority date	—
Expiry date	Feb 11, 2028

Classification

Technology area (CPC G)Physics
CPC primaryG04B17/066
WIPO fieldMeasurement
WIPO sectorInstruments

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.