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    • 6. 发明授权
    • Radar apparatus
    • 雷达装置
    • US4800389A
    • 1989-01-24
    • US938506
    • 1986-12-05
    • Philip R. RegerBob M. Dobbins
    • Philip R. RegerBob M. Dobbins
    • G01S7/02G01S13/00
    • G01S7/02
    • Improved radar apparatus includes a rotatable antenna structure which includes an antenna disposed within a housing which is rotatably driven. Also disposed within the rotatable housing are a unitary magnetron, microwave circulator and microwave limiter device which rotates when the housing is rotatably driven. Additionally, a transmitter, such as a modulator coupled to the unitary device and a receiver also coupled to the unitary device are disposed within the rotatable housing. Preferably, the antenna is formed as a slotted wave guide antenna. Radar signals transmitted from and reflected to the antenna pass through a slotted filter which is mounted in front of the antenna. A commutator, preferably formed of slip rings and brushes, serves to electronically connect the transmitter and receiver within the housing to signal processing circuitry fixedly disposed externally of the housing, thereby permitting the housing to rotate while coupling electrical signals to and from the transmitter and receiver.
    • 改进的雷达装置包括可旋转天线结构,其包括设置在壳体内的天线,其被可旋转地驱动。 还设置在可旋转壳体内的是单体磁控管,微波环行器和微波限制器装置,其在壳体可旋转地驱动时旋转。 另外,诸如耦合到整体设备的调制器的发射器和也联接到整体设备的接收器设置在可旋转壳体内。 优选地,天线形成为槽形波导天线。 从天线发射和反射的雷达信号通过安装在天线前面的开槽滤波器。 优选由滑环和电刷形成的换向器用于将壳体内的发射器和接收器电连接到固定地设置在壳体外部的信号处理电路,从而允许壳体旋转,同时将电信号耦合到发射器和接收器 。
    • 8. 发明授权
    • Method and apparatus for currency validation
    • 货币验证方法和装置
    • US4628194A
    • 1986-12-09
    • US659411
    • 1984-10-10
    • Bob M. DobbinsElwood E. Barnes
    • Bob M. DobbinsElwood E. Barnes
    • G07D7/00G06T1/00G07D7/02G07D7/04G07D7/12G06F15/30
    • G07D7/12G07D7/04
    • An improved currency validator having an electrical signal generating sensor for scanning an area of a bank note and generating a sequence of electrical signals in response to the currency identifying characteristics detected by the sensor in the area scanned is described. Circuitry is provided for measuring the intervals between the generated signals, classifying each of the measured intervals into one of a plurality of sets and determining the difference between the number of intervals in one of said sets and the number of intervals in another of said sets. By comparing the above difference with a constant, information concerning the validity or denomination of the bank note is obtained. Additional circuitry is described for normalizing measured intervals and set bounds to take into effect variations in the speed of transport of banknotes which are to be discriminated.
    • 描述了一种改进的货币验证器,其具有用于扫描纸币区域的电信号产生传感器,并且响应于在所扫描的区域中由传感器检测到的货币识别特性产生电信号序列。 提供电路用于测量所生成的信号之间的间隔,将每个所测量的间隔分类为多个集合中的一个,并确定所述集合中的一个集合中的间隔数与所述集合中的另一组中的间隔数之间的差。 通过将上述差异与常数进行比较,获得关于纸币的有效性或面值的信息。 描述了附加电路,用于归一化测量的间隔和设置边界以实现要被区分的纸币的运输速度的变化。