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    • 72. 发明授权
    • Timepiece having a power reserve indicator
    • 手表具有动力储存指示器
    • US5699322A
    • 1997-12-16
    • US694195
    • 1996-08-08
    • Jean-Jacques Born
    • Jean-Jacques Born
    • G04B9/00G04B17/00G04C10/00G04C10/04H02P9/04
    • G04C10/04
    • This timepiece comprises a barrel (1), a spring (1a), hands (5) and an electric energy generator (2) intended to provide, by way of a rectifier (4) a continuous voltage to a regulating circuit (6). This regulating circuit controls the speed of the generator in such a way so as to impose to the hands a rotational speed which corresponds to a correct indication of the current time. The regulating circuit comprises a transistor (10) for short-circuiting the generator and for braking it when said regulating circuit observes that the generator is rotating at a speed which is too large to ensure a correct indication of the time. Means (13 to 17) are provided for counting the number of times that the generator is braked during periods of predetermined duration and means for providing, as a function of the result of this counting, a visual indication of the power reserve.
    • 该钟表包括筒子(1),弹簧(1a),手(5)和电能发生器(2),其旨在通过整流器(4)向调节电路(6)提供连续电压。 该调节电路以这样的方式控制发电机的速度,从而对与当前时间的正确指示相对应的转速施加在手上。 调节电路包括用于使发电机短路并用于在所述调节电路观察到发电机以太大的速度旋转以便确保正确指示时间时的制动的晶体管(10)。 提供装置(13至17),用于对发电机在预定时间段内制动的次数进行计数,以及用于根据该计数结果提供动力储存的视觉指示的装置。