Patent ID: 9436162
Filing Date: 2016-09-06
CPC Classification: B23K,G04B,G04D

Claim Text:
1. A method for adjusting an oscillating frequency of a timepiece sprung balance assembly, said sprung balance assembly including at least one balance that includes a peripheral rim and including at least one spiral spring, said at least one balance and said at least one spring being attached to one another at a collet, wherein said sprung balance assembly is pivotable around a balance axis in a timepiece movement, and the method is for adjusting inertia and balancing said at least one balance of said timepiece sprung balance assembly, the method comprising: conducting a removal or a displacement of material on said sprung balance assembly by using at least one laser source to conduct a micromachining or a microfusion operation on the material of said balance under an effect of at least one pulse sequence of said laser source; and controlling said at least one pulse sequence by a controller configured to generate, sequence, and interrupt any pulse of said at least one laser source, wherein said controller is also configured to control directional movement of at least one beam discharged from said laser source, wherein said controller is automatically controlled by a measuring or comparing mechanism, and wherein said removal or displacement of the material on said sprung balance assembly is conducted with said sprung balance assembly assembled in the timepiece movement.