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    Timepiece indexing element
    3.
    发明授权
    Timepiece indexing element 有权

    公开(公告)号：US11774911B2

    公开(公告)日：2023-10-03

    申请号：US16896485

    申请日：2020-06-09

    Applicant: ETA SA Manufacture Horlogere Suisse

    Inventor： Julien Saglini

    IPC: G04B27/00 ,  G04B13/02 ,  G04B19/02 ,  G04B19/253

    CPC classification number: G04B27/005 ,  G04B13/023 ,  G04B19/02 ,  G04B19/253

    Abstract: A timepiece indexing element cooperating coaxially with a component including an indexing relief element defining indexing positions, including a first bearing surface cooperating in abutment with the component, elastic return device exerting a radial thrust on this component to press it onto this first bearing surface, and indexing device cooperating with the indexing relief element, these elastic return devices include at least a first elastic arm including a first indexing surface comprised in this indexing device and arranged to exert a radial thrust force on the component and, at least a second elastic arm arranged to exert a radial thrust force on the first elastic arm.

    DEVICE FOR GUIDING A SHAFT OF A SPRUNG BALANCE
    4.
    发明公开
    DEVICE FOR GUIDING A SHAFT OF A SPRUNG BALANCE 审中-公开

    公开(公告)号：US20230288878A1

    公开(公告)日：2023-09-14

    申请号：US18170009

    申请日：2023-02-16

    Applicant: ETA SA Manufacture Horlogere Suisse

    Inventor： Thierry CONUS ,  Raphaël Courvoisier ,  Jean-Luc Helfer ,  Sylvain Huot-Marchand

    IPC: G04B31/02

    CPC classification number: G04B31/02

    Abstract: A device (1) for guiding a rotary shaft (6) of a sprung balance, including the rotary shaft and a guide bearing (2) for guiding an end of the rotary shaft. The guide bearing includes a blade (3) and a surface (5) for coming into contact with and holding the end of the rotary shaft of the sprung balance. The contacting parts are made of a material with a Young's modulus of less than or equal to 100 GPa and/or to reduce the coefficient of friction of the contacting parts. The device also includes a solid body (15) with a guide opening, such as a hole jewel (15), disposed along the axis of the rotary shaft (6) in a centred position. An end of the shaft passes through the opening without too much angular play caused by the effect of gravity.

    Device for displaying a succession of periodic events which form an annual cycle and timepiece comprising such a display device
    5.
    发明授权
    Device for displaying a succession of periodic events which form an annual cycle and timepiece comprising such a display device 有权

    公开(公告)号：US11714383B2

    公开(公告)日：2023-08-01

    申请号：US17873817

    申请日：2022-07-26

    Applicant: ETA SA MANUFACTURE HORLOGERE SUISSE

    Inventor： Stephane Bachmann

    IPC: G04B19/26 ,  G04B19/253

    CPC classification number: G04B19/262 ,  G04B19/2532 ,  G04B19/2536

    Abstract: A device (1), and timepiece having the device, for displaying a succession of periodic events which form an annual cycle, including a periodic events indicator member (2) and a mechanism (4) for managing a duration during which the periodic events are displayed by the periodic events indicator member (2). The management mechanism includes a cam (8) for managing a duration during which the periodic events are displayed, which cam is arranged such that it controls the change from the indication of a periodic event to the indication of a subsequent periodic event by the periodic events indicator member, a periodic driver (10) for driving the management cam (8) and a member (6) disposed between the management cam and the periodic events indicator member and arranged such that it drives the periodic events indicator member (2) during a change in event. The device displays the periods of the zodiac.

    Method for adjusting the mean frequency of a time base incorporated in an electronic watch
    6.
    发明授权
    Method for adjusting the mean frequency of a time base incorporated in an electronic watch 有权

    公开(公告)号：US11537087B2

    公开(公告)日：2022-12-27

    申请号：US16575609

    申请日：2019-09-19

    Applicant: ETA SA Manufacture Horlogere Suisse

    Inventor： Francois Klopfenstein ,  Xavier Stehlin

    IPC: G04R20/26 ,  G04C3/10 ,  G04C3/12 ,  G04D7/12 ,  G04G3/04

    Abstract: A method and device for determining a constant parameter of an inhibition value for adjusting the device operating frequency of a watch equipped with a quartz oscillator. The following steps are performed by a self-calibration circuit of the electronic watch device: from a first external pulse and a second external pulse received from a system external to the watch and separated by a measurement time, corresponding to a reference number of reference periods for a periodic calibration signal derived from the time-measurement signal and having a calibration frequency derived from the natural frequency of the quartz oscillator, determining a calibration parameter representative of a ratio between a calibration period and a reference period for the periodic calibration signal, and determining a constant inhibition parameter as a function of the calibration parameter.

    Anti shock protection for a resonator mechanism with a rotary flexure bearing
    7.
    发明授权
    Anti shock protection for a resonator mechanism with a rotary flexure bearing 有权

    公开(公告)号：US11409245B2

    公开(公告)日：2022-08-09

    申请号：US16654262

    申请日：2019-10-16

    Applicant: ETA SA Manufacture Horlogere Suisse

    Inventor： Pascal Winkler

    IPC: G04B17/04 ,  G04B31/02 ,  G04B17/06

    Abstract: A timepiece resonator mechanism includes a structure carrying, via a flexible suspension system, an anchor unit to which is suspended an inertia element oscillating about a pivot axis extending in a first direction Z, in a first rotational degree of freedom RZ, under the action of the return forces of a flexure pivot including longitudinal elastic strips each fixed to this inertia element and to this anchor unit. The flexible suspension system includes, between the anchor unit and a first intermediate mass directly or indirectly fixed to the structure, a transverse translation table with a flexure bearing and including transverse strips or transverse flexible shafts which are rectilinear and extend in this second direction X orthogonal to the first direction Z and symmetrically around a transverse axis crossing this pivot axis.

    Method for setting a quartz watch
    9.
    发明授权
    Method for setting a quartz watch 有权

    公开(公告)号：US11243499B2

    公开(公告)日：2022-02-08

    申请号：US15919549

    申请日：2018-03-13

    Applicant: ETA SA Manufacture Horlogere Suisse

    Inventor： Pascal Lagorgette ,  Raphael Balmer ,  Jean-Bernard Peters

    IPC: G04C9/00 ,  G04B19/24

    Abstract: The present invention relates to a method for setting a quartz watch, the watch comprising an optical sensor and a microcontroller configured to receive electrical signals generated by the optical sensor, the method being performed by way of a portable electronic appliance comprising a point light source and a microcontroller configured to control said point light source, the method comprising the following steps: placing the optical sensor of the watch facing the point light source of the electronic appliance on the order of the microcontroller of the electronic appliance, flashing the point light source of the electronic appliance so as to form a sequence of light pulses corresponding to a coding of setting parameters, the sequence then being received by the optical sensor of the watch decoding the received light sequence, by way of the microcontroller of the watch, in order to recover the setting parameters on the order of the microcontroller of the watch, setting the watch according to the setting parameters.

    Rotating piezoelectric motor with radial preload
    10.
    发明授权
    Rotating piezoelectric motor with radial preload 有权

    公开(公告)号：US11183952B2

    公开(公告)日：2021-11-23

    申请号：US16275364

    申请日：2019-02-14

    Applicant: ETA SA Manufacture Horlogere Suisse

    Inventor： Pascal Lagorgette ,  Pascal Meyer

    IPC: H02N2/10 ,  G04C3/12 ,  H02N2/00

    Abstract: A rotating piezoelectric motor including a piezoelectric actuator including a resonator having a pair of arms connected at one of their ends in a connection area, the other two ends being referred to as ‘free’, a passive element including a cylindrical part extending orthogonally to the resonator, the cylindrical part being able to be rotated by the friction of the free ends of the arms on the cylindrical part, each free end including a protuberance such that the protuberances extend towards one another and together form a housing for a portion of the cylindrical part, the motor including a device for holding the portion of the cylindrical part inside the housing.

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