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6 条记录 (耗时 0.022 秒)

    Radio communication device
    4.
    发明授权
    Radio communication device 失效
    无线通信设备

    公开(公告)号：US08165623B2

    公开(公告)日：2012-04-24

    申请号：US12405540

    申请日：2009-03-17

    申请人： Masaru Kanazawa ,  Tabito Tonooka ,  Masatomo Mori

    发明人： Masaru Kanazawa ,  Tabito Tonooka ,  Masatomo Mori

    IPC分类号： H04M1/00 ,  G08B1/08

    CPC分类号： H04B17/23

    摘要： A radio communication device that outputs an alarm when a reception level of a radio wave from a wireless unit is less than a threshold value, includes a reception level measuring section for measuring the reception level of the radio wave transmitted from the wireless unit at certain times. A threshold value setting section for setting a first threshold value or a second threshold value less than the first threshold value based on a difference between the reception level of the radio wave measured a previous time and the reception level of the radio wave measured a subsequent time. An alarm output requesting section for causing an alarm output section to output an alarm if the reception level of the radio wave measured a subsequent time is less than the first threshold value or the second threshold value.

    摘要翻译： 一种无线电通信装置，当来自无线单元的无线电波的接收电平小于阈值时，输出警报，包括接收电平测量部分，用于测量在某些时间从无线单元发送的无线电波的接收电平 。 一个阈值设定部分，用于根据前一时间测得的无线电波的接收电平与随后的时间测得的无线电波的接收电平之间的差值来设定小于第一阈值的第一阈值或第二阈值 。 一个报警输出请求部分，用于使报警输出部分在下一次测量的无线电波的接收电平小于第一阈值或第二阈值时输出报警。

    Patch antenna
    5.
    发明申请
    Patch antenna 有权
    补片天线

    公开(公告)号：US20080150812A1

    公开(公告)日：2008-06-26

    申请号：US11902834

    申请日：2007-09-26

    申请人： Masaru Kanazawa ,  Tabito Tonooka

    发明人： Masaru Kanazawa ,  Tabito Tonooka

    IPC分类号： H01Q1/22 ,  H01Q3/24

    CPC分类号： H01Q9/0407 ,  H01Q1/243

    摘要： A wireless device has a housing, a patch antenna, and an open/shut sensing unit which senses the open/shut state of the housing and forms an open/shut signal indicating the open/shut state. The patch antenna has a first element which corresponds to a first polarized wave, a second element which corresponds to a second polarized wave and is to be added to the first element, and a switching unit. The switching unit disconnects and connects the second element from and to the first element based on the open/shut signal to make the patch antenna suitable for the first or second polarized wave.

    摘要翻译： 无线设备具有外壳，贴片天线和开/关感测单元，其感测外壳的打开/关闭状态并且形成指示打开/关闭状态的打开/关闭信号。 贴片天线具有对应于第一偏振波的第一元件，对应于第二偏振波并将被添加到第一元件的第二元件和开关单元。 开关单元基于开/关信号断开并连接第二元件与第一元件，以使贴片天线适合于第一或第二极化波。

    Patch antenna
    6.
    发明授权
    Patch antenna 有权
    补片天线

    公开(公告)号：US07969381B2

    公开(公告)日：2011-06-28

    申请号：US11902834

    申请日：2007-09-26

    申请人： Masaru Kanazawa ,  Tabito Tonooka

    发明人： Masaru Kanazawa ,  Tabito Tonooka

    IPC分类号： H01Q3/24 ,  H01Q1/24 ,  H01Q1/38 ,  H04M1/00

    CPC分类号： H01Q9/0407 ,  H01Q1/243

    摘要： A wireless device has a housing, a patch antenna, and an open/shut sensing unit which senses the open/shut state of the housing and forms an open/shut signal indicating the open/shut state. The patch antenna has a first element which corresponds to a first polarized wave, a second element which corresponds to a second polarized wave and is to be added to the first element, and a switching unit. The switching unit disconnects and connects the second element from and to the first element based on the open/shut signal to make the patch antenna suitable for the first or second polarized wave.

    摘要翻译： 无线设备具有外壳，贴片天线和开/关感测单元，其感测外壳的打开/关闭状态并且形成指示打开/关闭状态的打开/关闭信号。 贴片天线具有对应于第一偏振波的第一元件，对应于第二偏振波并将被添加到第一元件的第二元件和开关单元。 开关单元基于开/关信号断开并连接第二元件与第一元件，以使贴片天线适合于第一或第二极化波。