Patent ID: 11927922
Assignee: THE SWATCH GROUP RESEARCH AND DEVELOPMENT LTD
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 0:
1. A coiling limitation device for coiling a timepiece barrel integrated in a watch including a resonator cooperating with an escapement mechanism, said device comprising:
a motor configured to perform the coiling of said barrel, said barrel including at least one non-return notch arranged to cooperate with a sliding flange included in a spring of said barrel;
an acoustic device configured to acoustically monitor the coiling of said barrel of said watch positioned on a receptacle of said device, wherein the acoustic device is arranged to identify a reference noise which is a click noise during each start of cooperation between said sliding flange and said notch,
wherein said motor is configured to stop the coiling of said barrel at an instant of a perception of said click noise or of a repetition of said click noise.