Patent ID: 11906935
Assignee: ETA SA MANUFACTURE HORLOGèRE SUISSE
Field: Measurement (Instruments)
Classification: CPC G  H | IPC G  H

Claim 0:
1. A removable case back of an electronic or electromechanical watch case, the case back including an internal electronic device provided with functions to allow wireless charging or recharging of a power source, the removable case back comprising:
a first multi-function sub-assembly in which are mounted a buzzer, an inductive coil on or integrated in a printed circuit board, said inductive coil being covered by a magnetic shield on an inner side of the watch case; and
a second multi-function sub-assembly mounted on and in direct contact with the first multi-function sub-assembly, the second multi-function sub-assembly includes an enclosure structure for accommodating the power source.