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    SUBSTRATE COMPRISING A SURFACE COVERED WITH AN EPILAME AGENT AND METHOD FOR EPILAME-COATING SUCH A SUBSTRATE
    21.
    发明公开
    SUBSTRATE COMPRISING A SURFACE COVERED WITH AN EPILAME AGENT AND METHOD FOR EPILAME-COATING SUCH A SUBSTRATE 审中-公开

    公开(公告)号：US20240228796A1

    公开(公告)日：2024-07-11

    申请号：US18536861

    申请日：2023-12-12

    Applicant: The Swatch Group Research and Development Ltd

    Inventor： Mathieu AYER ,  Christophe LETONDOR

    IPC: C09D5/16 ,  A44C27/00 ,  C08F220/28 ,  C09D133/16

    CPC classification number: C09D5/1668 ,  A44C27/007 ,  C08F220/286 ,  C09D133/16 ,  C08F2800/10

    Abstract: A substrate comprising a surface at least a portion of which is covered with an epilame agent, comprising at least one compound in the form of a copolymer comprising units M and units N, associated by covalent bonds via their main chains, where
    M is




    N is




    where R1 and R2, which may be identical or different, are H, a C1-C10 alkyl group, a C2-C10 alkenyl group; X and Y, which may be identical or different, are spacer arms consisting of a heteroatom or a linear or branched hydrocarbon chain containing at least one heteroatom and comprising at least one carbon atom; A, which may be identical or different, forms an anchoring group to the substrate; L, which may be identical or different, is a halogenated ether group according to formula (I)




    where Q is a halogen atom; P, which may be identical or different, is a C1-C10 alkyl group or a C2-C10 alkenyl group comprising at least one halogen atom and being linear or branched; p is chosen between 1 and 4; and n is chosen between 1 and 20.

    SHOCK-RESISTANT PIEZOELECTRIC ROTARY MOTOR, IN PARTICULAR FOR WATCHMAKING
    22.
    发明公开
    SHOCK-RESISTANT PIEZOELECTRIC ROTARY MOTOR, IN PARTICULAR FOR WATCHMAKING 审中-公开

    公开(公告)号：US20240210889A1

    公开(公告)日：2024-06-27

    申请号：US18528864

    申请日：2023-12-05

    Applicant: The Swatch Group Research and Development Ltd

    Inventor： Mohammad Hussein KAHROBAIYAN ,  Yvan FERRI ,  Alexandre DIDIER ,  Lionel PARATTE ,  Jean-Jacques BORN

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

    CPC classification number: G04C3/12 ,  H02N2/101 ,  H02N2/123

    Abstract: A rotary piezoelectric motor, in particular for a timepiece, the motor including: a rotor configured to rotate and actuate a mechanical device, a stator configured to rotate the rotor, the stator including a piezoelectric actuator, the piezoelectric actuator including a moving element whose movement causes the rotor to rotate in a first direction, the piezoelectric actuator including only two electrically actuatable resonators, the two resonators being connected to the moving element to move it against the rotor to cause it to rotate, the two resonators being arranged relative to the moving element so as to cause the moving element to oscillate in first and second directions different from each other, each resonator including a centre of rotation, the two resonators being disposed relative to the moving element so that, around each centre of rotation, the torque resulting from all the acceleration forces being applied in the plane of each resonator is zero.

    Horological component
    26.
    发明授权
    Horological component 有权

    公开(公告)号：US11988994B2

    公开(公告)日：2024-05-21

    申请号：US16939116

    申请日：2020-07-27

    Applicant: The Swatch Group Research and Development Ltd

    Inventor： Nicolas Francois ,  Agnes Marlot Doerr ,  Carole Govaerts

    IPC: G04B19/32 ,  C09K11/02 ,  G04B45/00

    CPC classification number: G04B19/32 ,  C09K11/02 ,  G04B45/0076

    Abstract: A horological component including a substrate and at least one first decoration component including at least one first photoluminescent material configured to procure a phosphorescent appearance. The horological component includes a second decoration component including at least one second material, the second material being metallic and configured to procure a metallic appearance, or variochromic and configured to procure a color that varies under the effect of a stimulus, the first decoration component and the second decoration component being arranged relative to one another on the substrate to form a decoration having a metallic appearance or a color that varies under the effect of a stimulus when the horological component is exposed to light and a phosphorescent appearance when the horological component is in the dark. A timepiece can include such a horological component.

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