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    Electronically powered clock
    5.
    发明授权
    Electronically powered clock 失效
    电子供电时钟

    公开(公告)号：US3605401A

    公开(公告)日：1971-09-20

    申请号：US3605401D

    申请日：1969-09-08

    申请人： REICH ROBERT W

    发明人： REICH ROBERT WALTER

    IPC分类号： G04C3/027 ,  G04C3/06 ,  G04C3/04

    CPC分类号： G04C3/068 ,  G04C3/0276 ,  G04C3/065 ,  G04C3/067

    摘要： AN ELECTRONICALLY POWERED CLOCK HAVING THREE MAGNET MEANS CONCENTRICALLY FIXED TO A BALANCE WHEEL AND THREE COILS MOUNTED RESPECTIVELY COAXIALLY WITH THE MAGNET MEANS WHEN SAID BALANCE WHEEL IS IN ITS ZERO POSITION. THE SERIES-CONNECTED OUTSIDE COILS SERVING AS EXCITER COILS FOR A TRANSISTOR SWITCHING ARRANGEMENT, THE INSIDE COIL SERVING AS DRIVE COIL FOR THE BALANCE WHEEL, AND THE MAGNET MEANS HAVING SUCH DIMENSIONS AND SUCH POSITIONS WITH RESPECT TO EACH OTHER THAT EVERY MAGNET MEANS COMING

    AWAY FROM ONE COIL AND SIMULTANEOUSLY APPROACHING NEIGHBORING COIL WILL GENERATE AN EXCITATION PULSE AND AT THE SAME TIME EXPERIENCE A DRIVE PULSE.