Patent ID: 11868092
Assignee: THE SWATCH GROUP RESEARCH AND DEVELOPMENT LTD
Field: Measurement (Instruments)
Classification: CPC G  H | IPC G  H

Claim 29:
30. The timepiece according to claim 26, wherein said pair of bipolar magnets is a first pair of bipolar magnets and said angular lag is a first angular lag, wherein the electromagnetic assembly further comprises a second pair of bipolar magnets similar to the first pair and also mounted on the balance of the mechanical resonator, the at least one coil exhibiting at the center thereof a second angular lag, relative to a reference half-axis defined by the second pair of magnets, the value whereof is equal to the first angular lag but of opposite direction, the two pairs of magnets being arranged such that the polarities of the magnets of the first pair exhibit a planar symmetry with the polarities of the magnets of the second pair relative to a plane passing via the center of the at least one coil and comprising the axis of rotation.