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    • 4. 发明公开
    • MONITOR
    • 监控
    • EP1790996A1
    • 2007-05-30
    • EP05783556.3
    • 2005-09-14
    • MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
    • YOSHIDA, Takashi
    • G01S13/93G01S7/02
    • H01Q1/3233G01S13/931G01S2013/9332G01S2013/9353G01S2013/9371G01S2013/9375G01S2013/9378G01S2013/9385G01S2013/9389H01Q1/3283H01Q3/247H01Q3/446H01Q7/00H01Q13/106H01Q19/24
    • A monitoring apparatus of the present application comprises: a transmission antenna section 503 for sending out a radio wave of single beam having a wide angle or alternatively a radio wave having a narrower (angular) range in a plurality of beam directions; a receiving antenna section 504 for receiving the radio wave in a plurality of beam directions transmitted by the transmission antenna section 503 and then reflected by the target and for having a first power feed section 522 and a second power feed section 523; a transmission section 502 for transmitting to the transmission antenna section 503 a signal to be sent out as the radio wave; a receiving section 506 to which the radio wave received by the receiving antenna section 504 is transmitted as a signal from the receiving antenna section 504; and beam switching instrument 505 which performs a switching operation such that power should be fed to either the first power feed section 522 or the second power feed section 523, which thereby forms the beam directions of two radio waves, and which thereby controls a monitoring area.
    • 本申请的监视装置包括:发送天线部分503,用于在多个波束方向上发出具有广角的单波束或具有较窄(角))范围的无线电波的无线电波; 接收天线部分504,用于接收由发射天线部分503传输的多个波束方向上的无线电波,然后由目标物体反射并具有第一供电部分522和第二馈电部分523; 发送部502,向发送天线部503发送作为无线电波发送的信号; 由接收天线部分504接收的无线电波作为来自接收天线部分504的信号被发送到的接收部分506; 以及进行开关动作的光束切换装置505,使得能够将功率供给到第一供电部522或第二供电部523,由此形成两个无线电波的波束方向,从而控制监视区域 。