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公开(公告)号：US20120249371A1
公开(公告)日：2012-10-04
申请号：US13394722
申请日：2011-03-29
Applicant: Son Nguyen
Inventor： Son Nguyen
IPC: G01S3/14
Abstract: An apparatus for direction-finding a received radio signal is disclosed. The receiving apparatus selectively receives on a predetermined frequency to match the transmitter frequency. The receiving apparatus comprises of two or three antennas, including one or two loop antennas that work in conjunction with a third reference antenna (whose phase does not vary when its orientation changes relative to the transmitter), such as a dipole, monopole or helical antenna. By comparing the phase between the antennas the direction of the incoming RF signal can be determined. In some embodiments, the windings of the two loop antennas are wound in reverse with respect to each other in order to substantially double the sensitivity of the signal-detection capabilities.
Abstract translation: 公开了一种用于定向接收的无线电信号的装置。 接收装置选择性地接收预定频率以匹配发射机频率。 接收设备包括两个或三个天线，包括一个或两个环形天线，其与第三参考天线（其相位相对于发射机的方向改变时其相位不变）一起工作，例如偶极子，单极或螺旋天线 。 通过比较天线之间的相位可以确定输入RF信号的方向。 在一些实施例中，两个环形天线的绕组相对于彼此相反缠绕，以使信号检测能力的灵敏度大大增加一倍。
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公开(公告)号：US20120229339A1
公开(公告)日：2012-09-13
申请号：US13045014
申请日：2011-03-10
Applicant: J. AIDEN HIGGINS
Inventor： J. AIDEN HIGGINS
IPC: G01S3/04
CPC classification number: G01S3/40 , G01S3/04 , G01S3/16 , H01Q1/38 , H01Q3/22 , H01Q3/44 , H01Q15/0086
Abstract: Method embodiments are disclosed to determine arrival directions of electromagnetic signals that have a known signal frequency and a known guided signal wavelength. These methods are realized with an antenna configured to define, at the signal frequency, at least one metamaterial cell between first and second signal ports. They then include the step of rotating the antenna until the differential power from the first and second signal ports is substantially zero and then determining the arrival direction as a normal to the metamaterial cell. In other method embodiments, the antenna is stationary and a differential power is determined wherein the differential power is defined as the difference between received powers from the first and second ports. The arrival direction of electromagnetic signals are then determined from the differential power.
Abstract translation: 公开了确定具有已知信号频率和已知的导向信号波长的电磁信号的到达方向的方法实施例。 这些方法通过配置成在信号频率处限定第一和第二信号端口之间的至少一个超材料单元的天线来实现。 然后，它们包括旋转天线的步骤，直到来自第一和第二信号端口的差分功率基本为零，然后确定到达方向为超材料单元的法线。 在其他方法实施例中，天线是静止的，并且确定差分功率，其中差分功率被定义为来自第一和第二端口的接收功率之间的差。 然后根据差分功率确定电磁信号的到达方向。
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公开(公告)号：US20110018708A1
公开(公告)日：2011-01-27
申请号：US12508993
申请日：2009-07-24
Applicant: Harri PILTONEN , Mikko TUUNANEN
Inventor： Harri PILTONEN , Mikko TUUNANEN
CPC classification number: G01S3/40
Abstract: The invention relates to a method for measuring and indicating a true direction of a tracked object. The invention also relates to an apparatus and a tracking system utilizing the method. The invention also relates to a direction determination circuitry and to a computer readable storage medium comprising computer readable code, which is utilized in the direction determination circuitry. In the method a radio-bearing device shows all the time on a display true directions wherefrom a radio-bearing have been taken. The direction of the maximum signal strength measurement is highlighted on the display.
Abstract translation: 本发明涉及一种用于测量和指示被跟踪对象的真实方向的方法。 本发明还涉及一种利用该方法的装置和跟踪系统。 本发明还涉及一种方向确定电路和包括在方向确定电路中使用的计算机可读代码的计算机可读存储介质。 在该方法中，无线电轴承装置在显示器的所有时间显示已经采用无线电轴承的真实方向。 显示屏上突出显示最大信号强度测量的方向。
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公开(公告)号：US20080246603A1
公开(公告)日：2008-10-09
申请号：US12048437
申请日：2008-03-14
Applicant: Kenji MUTOU
Inventor： Kenji MUTOU
IPC: G08B1/08
CPC classification number: G01S3/40 , G07C9/00309 , G07C2009/00793 , G07C2209/62 , G07C2209/63
Abstract: The object of the invention is providing a direction searching system for displaying a direction of an objective car location only by easy operations. The solution is as follows. During a switch is being pressed in the first scan, a radio signal from a in-vehicle equipment 1 loaded in an objective car is received by rotating a terminal equipment 2 having a metal portion of Smart Key, etc. used as a directional antenna 10, and the maximum receiving level thereof is held by a peak-value detecting-and-holding unit 27. During a second scan, the switch 31 is released, and the radio signal from the in-vehicle equipment 1 loaded in the objective car is received by rotating the terminal equipment 2 again. During the above operation, the receiving level being detected by a level detector 25 is given to a comparing unit 28 to be compared with the maximum receiving level held as the first scan result. Subsequently, when the above receiving level thereof becomes approximately equal to the above maximum receiving level, the completion of the search is displayed by a displaying unit 40.
Abstract translation: 本发明的目的是提供一种仅通过简单的操作来显示客车位置的方向的方向搜索系统。 解决方案如下。 在第一扫描中按压开关的过程中，通过旋转具有用作定向天线10的智能钥匙等的金属部分的终端设备2来接收来自装载在目标车内的车载设备1的无线电信号 并且其最大接收电平由峰值检测和保持单元27保持。在第二次扫描期间，开关31被释放，并且来自车载设备1中载入客车的无线电信号是 通过再次旋转终端设备2来接收。 在上述操作期间，由电平检测器25检测到的接收电平被提供给比较单元28，以与作为第一扫描结果保持的最大接收电平进行比较。 随后，当其上述接收电平大致等于上述最大接收电平时，由显示单元40显示搜索的完成。
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公开(公告)号：US07376428B2
公开(公告)日：2008-05-20
申请号：US10616292
申请日：2003-07-10
Applicant: Ari Hottinen
Inventor： Ari Hottinen
CPC classification number: G01S5/0205 , G01S3/40 , G01S5/02 , G01S5/0252 , G01S5/12 , H04B7/0617 , H04B7/0619 , H04B7/0667 , H04B7/086
Abstract: The invention relates to a method for performing positioning in a radio system. At least two different antenna elements of an array antenna of a base station transmit mutually non-interfering identifier signals that are received by a terminal that generates a spatial signature of the received signals. Either the terminal or the network part of the radio system defines the location of a transmitter or receiver by means of the spatial signature of the signals.
Abstract translation: 本发明涉及一种在无线电系统中执行定位的方法。 基站的阵列天线的至少两个不同的天线元件发送由生成接收信号的空间签名的终端接收的相互非干扰的标识符信号。 无线电系统的终端或网络部分通过信号的空间签名定义发射机或接收机的位置。
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Patent Agency Ranking
公开(公告)号：US07116272B2
公开(公告)日：2006-10-03
申请号：US11189144
申请日：2005-07-26
Applicant: Edward A. Wolf , Mark Clark
Inventor： Edward A. Wolf , Mark Clark
IPC: G01S5/04
CPC classification number: G01S3/40 , A63B29/021 , G01S11/06
Abstract: The present invention relates to a system and method for locating the direction and distance to a RF signal source from an avalanche beacon to find an avalanche victim. The system and method includes a RF signal locator and a graphical display residing on the signal locator. The receiver graphical display provides the searcher with an initial way point reading that includes directional and distance data associated with the beacon RF signal source from the avalanche beacon. The directional and distance data is based upon the received RF signals. A processor within the locator receiver receives and measures RF signals emitted by the RF signal source. The locator advantageously provides continuous subsequent way point readings for the user, where the subsequent way point readings include directional and distance data associated with the RF signal source. The distance data provided by the subsequent way point readings is based upon a path loss slope of the received RF signals from the avalanche beacon.
Abstract translation: 本发明涉及一种用于定位从雪崩信标到RF信号源的方向和距离以找到雪崩受害者的系统和方法。 该系统和方法包括RF信号定位器和位于信号定位器上的图形显示器。 接收器图形显示为搜索者提供初始路点读数，其包括与雪崩信标的信标RF信号源相关联的定向和距离数据。 方向和距离数据基于所接收的RF信号。 定位器接收器内的处理器接收并测量由RF信号源发射的RF信号。 定位器有利地为用户提供连续的后续路点读数，其中随后的路点读数包括与RF信号源相关联的定向和距离数据。 由随后的路点读数提供的距离数据基于来自雪崩信号的接收的RF信号的路径损耗斜率。
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公开(公告)号：US07113089B2
公开(公告)日：2006-09-26
申请号：US11005539
申请日：2004-12-07
Applicant: Geng-Kaung Paul Ho
Inventor： Geng-Kaung Paul Ho
IPC: G08B1/08
CPC classification number: G01S3/40 , G01S13/76 , G08B21/0255 , G08B21/0263
Abstract: This invention provides an object locator to locate a variety of target objects. A selective directional transceiver is used to determine the relative direction of the target object, even in a multiple-story building, from a hand held component of the object locator. And moving the hand held component toward the target object according to the relative direction shall allow the user to quickly locate the target object. The hand held component may keep a list of identifications of multiple target objects in the memory and locate them one by one. A voice recognition unit and a key stroke recognition unit in the hand held component shall allow the user of the object locator to easily locate the object by voice and/or key stroke. To share the hardware, software, memory and the display unit of an existing device like cellular phone hand set, personal digital assistant, or car alarm remote, the object locator may be embedded in it, and expand its additional application.
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公开(公告)号：US06992624B2
公开(公告)日：2006-01-31
申请号：US10873806
申请日：2004-06-22
Applicant: Walter J. Feller
Inventor： Walter J. Feller
IPC: G01S5/04
Abstract: Apparatus and process for determining the position and heading or attitude of an antenna array are described based on radiating sources, preferably GNSS or other such satellite positioning systems. An optimum satellite is selected and the antenna array is “null steered” by combining the phase of the received signals to calculate a null or null angle that points toward the optimum satellite. The null will determine angle for elevation toward the optimum satellite and azimuth or heading. The heading is the azimuth of the (which may be actual or calculated) projection of the null vector to the satellite onto the Earth's surface. The actual location on Earth of the antenna array can be found and the antenna array azimuth with respect to the satellite can be determined. The null angle may be measured more precisely by dithering on either side to average out noise and then averaging the angle deviations to calculate the null angle. If the attitude of the antenna array with respect to the Earth's surface is desired, a null vector to a second satellite may be generated and the intersection of the two nulls will allow the attitude of the antenna array, with respect to one or both of the satellites, to be determined. The difference between the measured attitude of the antenna array with respect to the null vector and the calculated attitude of the satellite from the GNSS signals, is the attitude of the array with respect to the Earth's surface. All viewable satellites may be used, tracked, and nulls determined for each, and many antennas if in a known pattern relative to each other can be used to make the determinations more accurate and reliable.
Abstract translation: 基于辐射源（优选GNSS或其它这样的卫星定位系统）描述用于确定天线阵列的位置和航向或姿态的设备和过程。 通过组合接收信号的相位来计算指向最佳卫星的零或零角度，选择最佳卫星并且天线阵列是“空转向”。 空值将确定朝向最佳卫星和方位角或航向的仰角。 标题是空矢量对卫星到地球表面的方位（可能是实际的或计算的）。 可以找到天线阵列的地球上的实际位置，并且可以确定相对于卫星的天线阵列方位角。 可以通过任一侧的抖动来更精确地测量零点角度以平均噪声，然后对角度偏差进行平均以计算零点角度。 如果希望天线阵列相对于地球表面的姿态，则可以产生到第二卫星的零向量，并且两个零点的相交将允许天线阵列的姿态相对于一个或两个 卫星，待定。 天线阵列相对于零矢量的测量姿态与卫星与GNSS信号的计算姿态之间的差异是阵列相对于地球表面的姿态。 所有可见的卫星都可以被使用，跟踪和为每个确定的零点，并且如果以相对于彼此的已知模式可以使用许多天线来使得确定更准确和可靠。
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公开(公告)号：US20050270234A1
公开(公告)日：2005-12-08
申请号：US11189144
申请日：2005-07-26
Applicant: Edward Wolf , Mark Clark
Inventor： Edward Wolf , Mark Clark
CPC classification number: G01S3/40 , A63B29/021 , G01S11/06
Abstract: The present invention relates to a system and method for locating the direction and distance to a RF signal source from an avalanche beacon to find an avalanche victim. The system and method includes a RF signal locator and a graphical display residing on the signal locator. The receiver graphical display provides the searcher with an initial way point reading that includes directional and distance data associated with the beacon RF signal source from the avalanche beacon. The directional and distance data is based upon the received RF signals. A processor within the locator receiver receives and measures RF signals emitted by the RF signal source. The locator advantageously provides continuous subsequent way point readings for the user, where the subsequent way point readings include directional and distance data associated with the RF signal source. The distance data provided by the subsequent way point readings is based upon a path loss slope of the received RF signals from the avalanche beacon.
Abstract translation: 本发明涉及一种用于定位从雪崩信标到RF信号源的方向和距离以找到雪崩受害者的系统和方法。 该系统和方法包括RF信号定位器和位于信号定位器上的图形显示器。 接收器图形显示为搜索者提供初始路点读数，其包括与雪崩信标的信标RF信号源相关联的定向和距离数据。 方向和距离数据基于所接收的RF信号。 定位器接收器内的处理器接收并测量由RF信号源发射的RF信号。 定位器有利地为用户提供连续的后续路点读数，其中随后的路点读数包括与RF信号源相关联的定向和距离数据。 由随后的路点读数提供的距离数据基于来自雪崩信号的接收的RF信号的路径损耗斜率。
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公开(公告)号：US4528566A
公开(公告)日：1985-07-09
申请号：US407937
申请日：1982-08-13
Applicant: Michael D. Tyler
Inventor： Michael D. Tyler
Abstract: A directional locating device transmits pulsed RF signals at a stabilized frequency and is carried by an object the direction of which is to be determined from a distance remote from the transmitter. A one-half wave delay line in the receiver is responsive to the signal detected by a directional antenna for generating a 180 degree out-of-phase signal with respect to the signal detected by a sense antenna. A variable inductance coupling transformer having a primary winding is connected directly to the sense antenna and the output of the one-half wave delay line to produce at a secondary winding of the transformer a summation signal representing the summation of the 180 degree out-of-phase signal and the signal detected by the sense antenna. A second stabilized RF signal is generated at a different frequency than the RF signals radiated by the transmitting means and input into a mixer detector also responsive to the amplified summation signal to produce an AF signal indicative of the direction of the transmitter means from the receiver when the directional antenna is rotated to any given position relative to the transmitting means. A speaker receives the amplified AF signal to generate audible and non-audible signals, the latter being indicative of the direction of said transmitter means from said receiver.
Abstract translation: 方向定位装置以稳定的频率发送脉冲RF信号，并且由远离发射机的距离确定其方向的对象携带。 接收机中的半波延迟线响应于由定向天线检测的信号，用于相对于由感测天线检测的信号产生180度的异相信号。 具有初级绕组的可变电感耦合变压器直接连接到感测天线和半波延迟线的输出端，以在变压器的次级绕组上产生一个总和信号， 相位信号和由感测天线检测的信号。 以与发射装置辐射的RF信号不同的频率产生第二稳定的RF信号，并且还响应于放大的求和信号输入到混频器检测器中，以产生指示发射机装置从接收机的方向的AF信号， 定向天线相对于发射装置旋转到任何给定的位置。 扬声器接收放大的AF信号以产生可听和非可听信号，后者表示所述发射机装置从所述接收机的方向。
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