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    • 2. 发明授权
    • Signal reading system such as for remote reading of meters
    • 信号读取系统,如远程读取仪表
    • US4683472A
    • 1987-07-28
    • US405689
    • 1982-08-05
    • Thomas E. Beling
    • Thomas E. Beling
    • G01R11/16G01R21/00G08C13/00
    • G01R21/00G01R11/16
    • In the disclosed system, recurring signals, such as from a watt-hour meter or other type of meter, are registered, by sensing the signals, converting the signals to mechanical motions, and applying them to a mechanical register so that the register accumulates the motions sensed by the amplifier and indicates a value representative of the accumulated total of the signals. According to one embodiment of the invention, a sensor senses the signals formed by gaps in the rotating disc of a watt-hour meter and an amplifier drives a stepping motor on the basis of the signals. The stepping motor advances an odometer whose non-volatile output can be read visually or scanned electronically over a telephone line.
    • 在公开的系统中,通过感测信号,将信号转换为机械运动并将其应用于机械寄存器,从而记录来自瓦特计或其他类型的仪表的重复信号,使得寄存器累积 由放大器感测到的运动并且指示表示累积的信号总数的值。 根据本发明的一个实施例,传感器感测由电度表的旋转盘中的间隙形成的信号,并且放大器基于信号驱动步进电机。 步进电机前进了一个里程表,其里面的非易失性输出可以通过电话线直接读取或扫描。
    • 3. 发明授权
    • Synchronous motor system
    • 同步电机系统
    • US4423343A
    • 1983-12-27
    • US249821
    • 1981-04-01
    • John H. Field, II
    • John H. Field, II
    • H02K37/18H02K37/00
    • H02K37/18
    • In the disclosed system, the stator of a motor is provided with a plurality of radially directed stator poles, each having stator teeth arranged in a circle around an axis, and includes permanently magnetized rotor teeth facing the poles. The number of poles on the stator is sixteen at regular intervals of 221/2 degrees, each having teeth offset from the teeth on the poles 90 degrees therefrom by one full pitch and offset from the teeth on adjacent poles by one-quarter pitch. According to an embodiment, the coils are energized digitally to move the rotor at one-half, one-quarter, one-eighth, one-sixteenth, and one-thirty second steps. According to another embodiment, the poles are spaced and shaped to permit large preformed windings to be mounted thereon.
    • 在所公开的系统中,电动机的定子设置有多个径向定向的定子极,每个定子极具有围绕轴线设置成圆形的定子齿,并且包括面向极的永久磁化的转子齿。 定子上的极数以221/2度的规则间隔十六个,每个齿具有从其90度的极上的齿偏移一个全部间距,并且从相邻极上的齿偏移四分之一间距。 根据一个实施例,线圈以数字方式通电,以使转子在二分之一,四分之一,八分之一,十六分之一和三十二秒的步骤上移动。 根据另一个实施例,极间隔开并成形为允许大的预制绕组安装在其上。