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    Electromagnetic drive circuit
    1.
    发明授权
    Electromagnetic drive circuit 失效
    电磁驱动电路

    公开(公告)号：US4866564A

    公开(公告)日：1989-09-12

    申请号：US164429

    申请日：1988-03-04

    申请人： Hiroshi Aoki

    发明人： Hiroshi Aoki

    IPC分类号： G04C3/00 ,  G04C3/02 ,  G04C3/027 ,  G04C3/06

    CPC分类号： G04C3/0276 ,  G04C3/064

    摘要： Herein disclosed is an electromagnetic drive circuit for driving a pendulum or the like, comprising: a coil for detecting and driving a permanent magnet; a reference voltage source having a variable reference voltage; a comparator for generating an output when the induced voltage of the coil exceeds the reference voltage; a pulse generator for generating a drive pulse in response to generation of the output of the comparator; a driver responsive to the drive pulse for feeding a drive current to the coil; and a controller responsive to the output of the comparator for controlling the reference voltage in accordance with the amplitude of the induced voltage. It is possible to integrate the most of construction and to eliminate the disadvantage of generating the drive pulses at the level of the induced voltage other than its maximal point so that the automatic control can be accomplished to effect the drive efficiently at the maximal point of the induced voltage at all times. Thus, the permanent magnet can be driven efficiently with the stable amplitude.

    摘要翻译： 这里公开的是用于驱动摆锤等的电磁驱动电路，包括：用于检测和驱动永磁体的线圈; 具有可变参考电压的参考电压源; 比较器，用于当线圈的感应电压超过参考电压时产生输出; 脉冲发生器，用于响应于所述比较器的输出的产生而产生驱动脉冲; 响应于用于将驱动电流馈送到线圈的驱动脉冲的驱动器; 以及响应于比较器的输出的控制器，用于根据感应电压的幅度来控制参考电压。 可以集成大部分结构，并消除在除了其最大点之外的感应电压的水平上产生驱动脉冲的缺点，使得可以实现自动控制以在最大点处有效地驱动驱动 任何时候感应电压。 因此，能够以稳定的振幅有效地驱动永久磁铁。

    Electromechanical clock
    3.
    发明授权
    Electromechanical clock 失效
    机电钟

    公开(公告)号：US3990226A

    公开(公告)日：1976-11-09

    申请号：US513050

    申请日：1974-10-07

    申请人： Wolfgang Fehrenbacher

    发明人： Wolfgang Fehrenbacher

    IPC分类号： G04C3/027 ,  G04C3/033 ,  G04C3/00 ,  G04B17/02

    CPC分类号： G04C3/033 ,  G04C3/0278

    摘要： A timepiece with an electrodynamically controlled clockwork has a torsion ndulum intermittently coupled through a gear train with the clockwork for the maintenance of its oscillations. The gear train includes a first pinion mounted on a weighted rocker tending to hold it in mesh with a driving gear actuated by the clockwork; the torsion spring of the pendulum carries near its suspension point a horizontal spur receivable in a slot of a stationary mounting member so as to come periodically to rest on a slot edge, this spur being engageable in its arrested position by a hump on a cam disk entrained by a second pinion which meshes with the first pinion and decouples the latter from the associated gear against the countervailing force of the rocker weight as long as the spur is immobilized. When the spur-biasing force of the torsion spring changes direction, the gear train is re-established and the spur receives an impetus from the engaging hump as it moves away from the arresting slot edge.

    摘要翻译： 具有电动控制的发条机构的钟表具有通过齿轮系间歇连接的扭力摆，其具有用于维持其振荡的发条。 齿轮系包括安装在加重摇杆上的第一小齿轮，其倾向于将其保持与由发条机构致动的驱动齿轮啮合; 摆锤的扭转弹簧在其悬挂点附近承载一个水平棘爪可接收在固定安装构件的槽中，以便周期性地停留在槽边缘上，该支杆可通过凸轮盘上的凸起接合在其停止位置 只要固定固定器，第二小齿轮与第一小齿轮啮合，并将其与相关联的齿轮相互抵消抵靠摇臂重量的反作用力。 当扭力弹簧的偏转力改变方向时，齿轮系被重新建立，并且当齿轮离开止动槽边缘时，齿轮从啮合的隆起接收推动力。

    Electromechanical clock
    4.
    发明授权
    Electromechanical clock 失效
    机电时钟

    公开(公告)号：US3798891A

    公开(公告)日：1974-03-26

    申请号：US25622272

    申请日：1972-05-24

    申请人： SOVENYHAZI J

    发明人： SOVENYHAZI J

    IPC分类号： G04C3/027 ,  G04C3/04 ,  H02K33/14

    CPC分类号： G04C3/027

    摘要： A clock having a new and unique pendulum motor is provided. The motor includes a pendulum and means for maintaining the oscillation of the pendulum which comprises a weighted member. Means are provided for releasably securing the weighted member and means responsive to the oscillation of the pendulum are provided for causing the means for releasably securing the weighted member to release the weighted member at predetermined intervals. The weighted member applies a force to the pendulum each time the weighted member is released. Unique gearing is also provided for driving the hour hand in relation to the movement of the minute hand.

    摘要翻译： 提供了具有新的和独特的摆锤电机的时钟。 电动机包括摆锤和用于保持摆锤摆动的装置，其包括加权构件。 设置用于可释放地固定加权构件的装置，并且响应于摆的摆动的装置被设置用于使得用于可释放地固定加权构件的装置以预定间隔释放加权构件。 加权成员每次释放加权成员时都会向摆锤施加力。 还提供独特的传动装置，用于相对于分针的运动来驱动时针。