Abstract: A calendar mechanism for a timepiece suitable for indicating a piece of information having a period that varies according to at least a first cycle and a second cycle is provided. The mechanism, inter alia, is a system for actuating a lever, in which the actuating system includes a first feeler-spindle intended to come into contact with the first cam and a second feeler-spindle intended to come into contact with the second cam the feeler-spindles being kinematically linked with each other and the actuating system being arranged to move the lever from the inactive position to the active position under the control of each of the cams.

Abstract: A calendar mechanism (1) for a timepiece, said calendar mechanism (1) being suitable for indicating a piece of information having a period that varies according to at least a first cycle and a second cycle, said mechanism (1) comprising, inter alia, a system (13) for actuating said lever (9), the actuating system (13) comprising a first feeler-spindle (21a) intended to come into contact with the first cam (15) and a second feeler-spindle (23a) intended to come into contact with the second cam (17), said feeler-spindles (21a, 23a) being kinematically linked with each other and the actuating system (13) being arranged to move said lever (9) from the inactive position of same to the active position of same under the control of each of said cams (15, 17).

Abstract: Mechanism for driving an information indicator connected to a timepiece movement and varies according to a plurality of periods, during each of which the information changes, step by step, to a maximum value that varies between n and n?m. The mechanism includes a drive wheel including a first set of gear teeth arranged to advance by n steps per period, m retractable teeth borne by the wheel, encoding cams corresponding to the retractable teeth, each cam corresponding to one maximum value n?x of the information, x being between 1 and m, for a period, and a drive unit to provide adequate rotation speed to the cams relative to the wheel such that, when the information reaches a maximum value n?x for a period, x retractable teeth pass in an operative position and then return to an inoperative position, the wheel advancing by x additional steps for the period.

Abstract: Mechanism for driving an information indicator connected to a timepiece movement and varies according to a plurality of periods, during each of which the information changes, step by step, to a maximum value that varies between n and n?m. The mechanism includes a drive wheel including a first set of gear teeth arranged to advance by n steps per period, m retractable teeth borne by the wheel, encoding cams corresponding to the retractable teeth, each cam corresponding to one maximum value n?x of the information, x being between 1 and m, for a period, and a drive unit to provide adequate rotation speed to the cams relative to the wheel such that, when the information reaches a maximum value n?x for a period, x retractable teeth pass in an operative position and then return to an inoperative position, the wheel advancing by x additional steps for the period.