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182 条记录 (耗时 0.016 秒)

    Electronically Controlled Mechanical Timepiece, Control Method Of An Electronically Controlled Mechanical Timepiece, And Electronic Timepiece
    72.
    发明申请
    Electronically Controlled Mechanical Timepiece, Control Method Of An Electronically Controlled Mechanical Timepiece, And Electronic Timepiece 有权

    公开(公告)号：US20220128949A1

    公开(公告)日：2022-04-28

    申请号：US17569608

    申请日：2022-01-06

    申请人： Seiko Epson Corporation

    发明人： Yutaka YAMAZAKI

    IPC分类号： G04B17/22 ,  G01K7/20 ,  G04C3/08

    摘要： Provided are a timepiece having a temperature compensator drivable by a low voltage with low current consumption, and a control method of a timepiece. The timepiece includes an arithmetic circuit, a first switch that controls connection of a temperature compensation table storage to a power supply circuit, and a second switch that controls connection of a device-difference compensation data storage to the power supply circuit. The arithmetic circuit calculates a compensation amount based on a temperature measured by a temperature detector, a temperature compensation data, a device-difference compensation data, and outputs to a frequency adjustment control circuit and a theoretical regulation circuit. The first switch is controlled to the connect state during a first power supply connection period including a temperature compensation data read period. The second switch is controlled to the connect state during a second power supply connection period including a device-difference compensation data read period.

    Method for fabrication of a timepiece balance spring
    76.
    发明授权
    Method for fabrication of a timepiece balance spring 有权

    公开(公告)号：US10138529B2

    公开(公告)日：2018-11-27

    申请号：US15292403

    申请日：2016-10-13

    申请人： Nivarox-FAR S.A.

    发明人： Christian Charbon ,  Guido Plankert

    IPC分类号： C21D9/02 ,  C21D6/00 ,  C21D8/06 ,  C22C38/00 ,  C22C38/58 ,  C22C38/04 ,  C22C38/08 ,  C22C38/38 ,  G04B17/06 ,  G04B17/22 ,  G04B43/00

    摘要： Method for fabrication of an antiferromagnetic and temperature compensated timepiece balance spring, including the steps of: selecting an amagnetic iron-chromium-nickel-manganese-beryllium compensating alloy, comprising, by mass percent, between and including: from 21.0% to 25.0% of manganese, from 9.0% to 13.0% of nickel, from 6.0% to 15.0% of chromium, from 0.2% to 2.0% of beryllium, the remainder iron, the total of nickel and manganese being higher than or equal to 33.0%, working the alloy to obtain a blank, shaping the blank by casting and/or forging and/or wire drawing and/or rolling and/or drawing, to obtain a blank of spring wire; winding the wire on a winder to obtain a balance spring, subjecting the spiral spring to at least a heat setting treatment, by annealing at a temperature comprised between 540° C. and 650° C., for a duration of 30 to 200 minutes, to obtain a balance spring.

    Mechanical Oscillator and Associated Production Method
    77.
    发明申请
    Mechanical Oscillator and Associated Production Method 审中-公开

    公开(公告)号：US20180004161A1

    公开(公告)日：2018-01-04

    申请号：US15544754

    申请日：2016-02-12

    申请人： TRONIC'S MICROSYSTEMS

    发明人： Vincent Gaff ,  Pierre-Marie Visse ,  Luca Ribetto

    IPC分类号： G04B17/06 ,  G04B17/22

    CPC分类号： G04B17/066 ,  B81B3/0081 ,  F16F1/021 ,  G04B17/04 ,  G04B17/22

    摘要： A mechanical oscillator endowed with a strip, with the aforesaid strip incorporating a first silicon layer having a crystal lattice extending along a first direction of one plane, a thermal compensation layer composed of a material having a Young's modulus thermal coefficient of opposite sign to that of the silicon, and a second silicon layer having a crystal lattice extending in a second direction of the plane, with the first and direction being offset at an angle of 45° within the plane of the layers, and with the thermal compensation layer extending between the first and second silicon layers.

    THERMALLY COMPENSATING BALANCE WHEEL
    79.
    发明申请
    THERMALLY COMPENSATING BALANCE WHEEL 失效
    热补偿平衡轮

    公开(公告)号：US20100034057A1

    公开(公告)日：2010-02-11

    申请号：US12440548

    申请日：2007-09-06

    申请人： Gideon Levingston

    发明人： Gideon Levingston

    IPC分类号： G04B17/06 ,  G04B17/22

    CPC分类号： G04B17/222 ,  G04B17/227

    摘要： A balance wheel having a thermally adjustable moment of inertia is described. In one aspect, the balance wheel includes radially movable compensation portions formed of shape memory material exhibiting a two-way memory effect. The radius of gyration of the balance wheel is therefore adjustable with temperature to compensate for thermoelastic effects in a balance spring attached to the balance wheel. In another aspect, a thermally stable balance wheel includes dynamically adjusting appendages whose expansion or contraction with temperature relative to the balance wheel cause change in its moment of inertia. The invention can compensate for both ‘normal’ and ‘abnormal’ thermoelastic spring behaviour.

    摘要翻译： 描述了具有热可调转动惯量的摆轮。 在一个方面，平衡轮包括由形状记忆材料形成的具有双向记忆效应的径向可移动的补偿部分。 因此，摆轮的回转半径可通过温度调节，以补偿连接到摆轮的平衡弹簧中的热弹性效应。 另一方面，热稳定平衡轮包括动态地调节其相对于摆轮的温度的膨胀或收缩引起其惯性矩变化的附件。 本发明可以补偿“正常”和“异常”热弹性弹簧的特性。