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    • 1. 发明授权
    • Immersion object detection system and method
    • 浸没物体检测系统及方法
    • US06535159B1
    • 2003-03-18
    • US09996594
    • 2002-05-21
    • Tadao NishiguchiHiroshi ShimamotoRyuji Kawamoto
    • Tadao NishiguchiHiroshi ShimamotoRyuji Kawamoto
    • G01S1300
    • G01S5/0284G01S7/352G01S13/04G01S13/343G01S13/886G01S2007/356
    • To provide an immersion object detection system capable of detecting an immersion object within a detection target area and specifying a position thereof irrespective of a short distance/long distance. A millimeter wave is irradiated to a detection area from a millimeter-wave RF unit through an antenna unit, and the reflected wave is detected. In the case that an immersion object exists in a short-distance area from a radar unit, the directly reflected waves from the immersion object is analyzed, thereby specifying the position of the immersion object, and in the case that the immersion object exists in a long-distance area from the radar unit, the position of the immersion object is specified in accordance with the position of the reflection member which cannot detect among the group of reflection members placed within the detection area.
    • 提供一种能够检测检测目标区域内的浸没物体并且指定其位置而不考虑短距离/长距离的浸没物体检测系统。毫米波通过毫米波RF单元照射到来自毫米波RF单元的检测区域 天线单元,并检测反射波。 在来自雷达单元的短距离区域中存在浸没物体的情况下,分析来自浸没物体的直接反射波,从而指定浸没物体的位置,并且在浸没物体存在于 根据雷达单元的远距离区域,根据放置在检测区域内的反射构件组中不能检测的反射构件的位置来指定浸渍物体的位置。
    • 6. 发明授权
    • Object detecting switch device
    • 物体检测开关装置
    • US5177711A
    • 1993-01-05
    • US685801
    • 1991-04-16
    • Yukio YamaguchiAtsushi KawanoHideyuki SuzakiHiroshi Shimamoto
    • Yukio YamaguchiAtsushi KawanoHideyuki SuzakiHiroshi Shimamoto
    • G01S15/04G01S15/18
    • G01S15/18G01S15/04Y10S367/901Y10S367/903
    • This switch device for detecting an object comprises a transducer for emitting and receiving ultrasonic signals to and from an object, a transmitter for driving the transducer, a receiver for receiving a signal from the transducer, a gate for detecting a short-distant object, a gate for detecting a long-distant object, and a circuit for setting the timings of the gates in accordance with the detecting ranges of the object.Another switch device is disclosed for detecting an object which comprises a transducer for emitting and receiving ultrasonic signals to and from an object, a transmitter for driving the transducer, a receiver for receiving a signal from the transducer, a suppression gate for preventing detection of a reflected ultrasonic pulse during the transducer residual vibration period, a detectable distance gate for determining the range of detectable distances, an amplitude comparator for preventing detection of reflected ultrasonic pulses having an amplitude below a threshold value, and a plurality of window pulses for enabling detection of a reflected ultrasonic pulses at various distances.
    • 用于检测物体的开关装置包括用于向物体发射和接收超声波信号的换能器,用于驱动换能器的发射器,用于从换能器接收信号的接收器,用于检测短距离物体的门, 用于检测远距离物体的门,以及用于根据物体的检测范围来设定门的定时的电路。 公开了用于检测物体的另一开关装置,其包括用于向物体发射和接收超声波信号的换能器,用于驱动换能器的发射器,用于接收来自换能器的信号的接收器,用于防止检测到 在换能器残余振动周期期间反射的超声波脉冲,用于确定可检测距离的范围的可检测距离门,用于防止检测具有低于阈值的振幅的反射超声波脉冲的振幅比较器,以及多个窗口脉冲, 在不同距离的反射超声波脉冲。