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    • 2. 发明申请
    • Buried locators systems and methods
    • 埋藏定位器系统和方法
    • US20120242341A1
    • 2012-09-27
    • US13189844
    • 2011-07-25
    • Mark S. OlssonRay MerewetherPaul G. StuartMichael J. MartinChristoph H. MaierAmos H. Jessup
    • Mark S. OlssonRay MerewetherPaul G. StuartMichael J. MartinChristoph H. MaierAmos H. Jessup
    • G01V3/08
    • Portable self-standing electromagnetic (EM) field sensing locator systems with attachments for finding and mapping buried objects such as utilities and with intuitive graphical user interface (GUI) displays are described. Accessories may include a ground penetrating radar (GPR) system with a rotating Tx/Rx antenna assembly, a leak detection system, a multi-probe voltage mapping system, a man-portable laser-range finder system with embedded dipole beacon, and other detachable accessory sensor systems are accepted for attachment to the locator system for simultaneous operation in cooperation with the basic locator system. The integration of the locator system with one or more additional devices, such as fault-finding, geophones and conductance sensors, may be used to facilitate the rapid detection and localization of many different types of buried objects.
    • 描述了具有附件的便携式自立式电磁(EM)场感测定位器系统,用于发现和映射诸如实用程序和直观的图形用户界面(GUI)显示器等掩埋物体。 配件可能包括具有旋转Tx / Rx天线组件的地面穿透雷达(GPR)系统,泄漏检测系统,多探头电压测绘系统,带嵌入式偶极信标的便携式激光测距仪系统,以及其他可拆卸 附件传感器系统被接受用于与基座定位器系统配合的与定位器系统连接以进行同时操作。 可以使用定位器系统与一个或多个附加装置(诸如故障查找,地震检波器和电导传感器)的集成来促进许多不同类型的埋藏物体的快速检测和定位。
    • 10. 发明授权
    • Locator with apparent depth indication
    • 具有明显深度指示的定位器
    • US07332901B2
    • 2008-02-19
    • US11106894
    • 2005-04-15
    • Mark S. OlssonMichael J. MartinChristoph H. MaierPaul G. Stuart
    • Mark S. OlssonMichael J. MartinChristoph H. MaierPaul G. Stuart
    • G01V3/08G01V3/12
    • G01R29/0871G01R29/0878G01V3/15
    • A human-portable utility locator system for locating and tracing a buried utility line characterized by an electromagnetic field emission. The locator may include a horizontal spaced sensor pair for detecting the horizontal field asymmetry of the emitted field in one or more independent frequency bands, which is employed to assist in determining an accurate “virtual depth” measurement for producing detection events. An event detector may be disposed to detect events corresponding to extremum in the B-field gradient with respect to time and a user interface (UI) coupled to the event detector signals the detected event to a user. In a preferred embodiment, one pair of spaced-apart 3D magnetic sensor arrays is disposed substantially orthogonal to another intermediate spaced-apart pair of sensors.
    • 一种人造便携式实用定位系统,用于定位和跟踪以电磁场发射为特征的埋地公用事业线。 定位器可以包括用于检测一个或多个独立频带中的发射场的水平场不对称性的水平间隔传感器对,其用于帮助确定用于产生检测事件的精确“虚拟深度”测量。 可以设置事件检测器以相对于时间检测对应于B场梯度中的极值的事件,并且耦合到事件检测器的用户界面(UI)将检测到的事件发信号给用户。 在优选实施例中,一对间隔开的3D磁传感器阵列基本上与另一中间间隔开的传感器对正交设置。