公开(公告)号：US3756010A

公开(公告)日：1973-09-04

申请号：US3756010D

申请日：1971-08-06

申请人： MATSUSHITA ELECTRIC WORKS LTD

发明人： KOTANI A ,  KIMURA R ,  KAJIHARA M

IPC分类号： G04C3/06 ,  G04C11/02 ,  G04C11/08 ,  G04B1/00

CPC分类号： G04C11/084 ,  G04C3/067 ,  G04R40/02

摘要： In the clocks wherein the induction magnetic field of a commercial frequency is detected, and the detected signal is amplified, thereby driving the transistor motor, a magnetic induction type clock of which the transistor motor is driven in normal state by said detected signal but in abnormal state such as in the event of any fluctuation in the external field or power interruption, the transistor motor is driven by a signal supplied from a separately provided standard oscillation source.

摘要翻译： 在检测到商用频率的感应磁场的时钟中，检测出的信号被放大，从而驱动晶体管电动机，通过所述检测信号在正常状态下驱动晶体管电动机的磁感应时钟，但异常 状态，例如在外部场或电源中断发生任何波动的情况下，晶体管电动机由从单独提供的标准振荡源提供的信号驱动。