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    • 2. 发明专利
    • Reception device
    • 接收装置
    • JP2010187155A
    • 2010-08-26
    • JP2009029354
    • 2009-02-12
    • Funai Electric Co Ltd船井電機株式会社
    • FUJIMOTO MASATO
    • H04B1/16H04B7/10H04N5/44H04N7/173H04N21/435H04N21/442
    • G01S5/08
    • PROBLEM TO BE SOLVED: To provide a reception device with which an installed location of the reception device can be obtained with high accuracy without causing a user much trouble. SOLUTION: The reception device 1A has a smart antenna composed of a plurality of radiating elements and decodes received digital broadcast signals to acquire location information showing installation locations of radio wave towers. The reception device 1A detects reception directions of the radiating elements that has received digital broadcast signals having a maximum signal level as reception directions of the digital broadcast signals. The reception device 1A estimates an installation area E1 of the reception device on the basis of the location information of two radio wave towers and the reception directions of the digital broadcast signals from the radio wave towers. In such a case, the reception device 1A applies a theorem of cosines with the installation location of the reception device and the installation locations of the two radio wave towers as vertices of a triangle. Then, the reception device 1A comprehensively calculates the installation location of the reception device on the basis of a plurality of installation areas (for example, the installation area E1, and an installation area E2). COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种可以以高精度获得接收装置的安装位置的接收装置,而不会造成用户的麻烦。 解决方案:接收设备1A具有由多个辐射元件组成的智能天线,并对接收的数字广播信号进行解码,以获取示出无线电波塔的安装位置的位置信息。 接收装置1A检测已经接收到具有最大信号电平的数字广播信号的辐射元件的接收方向作为数字广播信号的接收方向。 接收装置1A基于两个无线电波塔的位置信息和来自无线电波塔的数字广播信号的接收方向来估计接收装置的安装区域E1。 在这种情况下,接收装置1A将接收装置的安装位置和两个无线电波塔的安装位置的余弦定理作为三角形的顶点。 然后,接收装置1A基于多个安装区域(例如,安装区域E1和安装区域E2)综合地计算接收装置的安装位置。 版权所有(C)2010,JPO&INPIT
    • 6. 发明专利
    • Positioning of mobile radio terminal
    • 移动无线电终端定位
    • JP2003315433A
    • 2003-11-06
    • JP2002116808
    • 2002-04-18
    • Fujitsu Ltd富士通株式会社
    • NINOMIYA TERUNAOYAMADA ISAMU
    • G01S3/48G01S5/04G01S5/08H04W4/02H04W64/00H04Q7/20H04Q7/34
    • G01S3/46G01S5/02G01S5/08
    • PROBLEM TO BE SOLVED: To more accurately determine positions of mobile radio terminals in a relatively narrow region. SOLUTION: Apparatuses (470, 370, 110, 120) for determining positions of mobile radio stations (260-282) are provided with means for determining the positions of the mobile radio stations based on positions of first reference radio stations (200-242), positions of second reference radio stations (200-242), a first relative angular direction between the mobile radio stations and the first reference radio stations, and a second relative angular direction between the mobile radio stations and the second reference radio stations. COPYRIGHT: (C)2004,JPO
    • 要解决的问题:为了更精确地确定移动无线电终端在相对窄的区域中的位置。 解决方案:用于确定移动无线电台(260-282)的位置的装置(470,370,110,120)具有用于基于第一参考无线电站(200)的位置来确定移动无线电站的位置的装置 -242),第二参考无线电站(200-242)的位置,移动无线电站和第一参考无线电站之间的第一相对角度方向以及移动无线电台和第二参考无线电台之间的第二相对角度方向 。 版权所有(C)2004,JPO
    • 7. 发明专利
    • Position detection system
    • 位置检测系统
    • JPS6120872A
    • 1986-01-29
    • JP14065284
    • 1984-07-09
    • Sanyo Electric Co Ltd
    • NISHIO HITOSHI
    • G01C21/00G01S5/08
    • G01S5/08
    • PURPOSE:To allow a moving body to easily recognize its position by detecting a radio wave from a satellite at the moving body and detecting an azimuth angle and an elevation angle where the intensity of the radio wave is maximum, and comparing the relation between an azimuth and an elevation angle observed from the ground to the satellite which are stored previously. CONSTITUTION:The radio wave from the broadcasting satellite is received by an antenna 1 and frequency-converted by an antenna BS converter 2, and a satellite broadcast transmitter receiver 3 demodulates a video signal and an audio signal. An antenna direction controller 4 controls the antenna 1 so that the intensity of the radio wave is maximum, and an angle detector 5 detects the azimuth angle and an elevation angle of the antenna 1. Then, an azimuth angle and an elevation angle detected by an arithmetic control means 7 are compared with stored data 6 on azimuth angles and elevation angles from respective points to the satellite to recognize the position of the moving body. Further, radio wave from two broadcast radio wave transmitting centers may be received to calculate the azimuth angle at which the radio wave intensity is maximum and further increase position detection precision. Thus, the position of the moving body is known accurately through the simple device.
    • 目的:通过检测来自移动体的卫星的无线电波来检测移动体容易识别其位置,并检测无线电波强度最大的方位角和仰角,并比较方位角 以及从地面到卫星观测到的仰角。 构成:来自广播卫星的无线电波由天线1接收并由天线BS转换器2进行频率转换,卫星广播发射机接收机3解调视频信号和音频信号。 天线方向控制器4控制天线1,使得无线电波的强度最大,并且角度检测器5检测天线1的方位角和仰角。然后,由方位角检测的方位角和仰角 将运算控制装置7与从各个点到卫星的方位角和仰角的存储数据6进行比较,以识别移动体的位置。 此外,可以接收来自两个广播电波发射中心的无线电波,以计算无线电波强度最大的方位角,并进一步提高位置检测精度。 因此,通过简单的装置可以准确地知道移动体的位置。