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51. 发明公开

EP2589989A2 Signal Generator 有权
标题翻译： Signalerzeuger
公开(公告)号：EP2589989A2
公开(公告)日：2013-05-08
申请号：EP12191263.8
申请日：2012-11-05
申请人： RADIODETECTION LIMITED
发明人： Pearson, Richard David , Lanfranchi, Luigi
IPC分类号： G01V3/08
CPC分类号： H03B21/00 , G01V3/15 , H03K3/00
摘要： A signal generator (100) for coupling to a concealed conductor is described. The signal generator comprises a first oscillator (102) configured to generate a first waveform having a first frequency, a first terminal (106) coupled to the first oscillator through a first band pass filter (104) configured to pass signals of the first frequency, a second oscillator (108) configured to generate a second waveform having a second frequency, and a second terminal (112) coupled to the second oscillator through a second band pass filter (110) configured to pass signals of the second frequency.
摘要翻译：描述了用于耦合到隐蔽导体的信号发生器（100）。信号发生器包括被配置为产生具有第一频率的第一波形的第一振荡器（102），经由被配置为传递第一频率的信号的第一带通滤波器（104）耦合到第一振荡器的第一端子（106）第二振荡器（108），被配置为产生具有第二频率的第二波形，以及通过被配置为传递所述第二频率的信号的第二带通滤波器（110）耦合到所述第二振荡器的第二终端（112）。

52. 发明公开

EP2098890A3 A detector for calculating the depth of a buried conductor 有权
标题翻译：探测器用于计算埋藏导体的深度
公开(公告)号：EP2098890A3
公开(公告)日：2011-09-21
申请号：EP09250574.2
申请日：2009-02-27
申请人： RADIODETECTION LIMITED
发明人： Royle, John Mark , Pearson, Richard
IPC分类号： G01V3/08
CPC分类号： G01V3/08
摘要： A detector 1 for calculating a depth of a buried conductor 25 comprises a plurality of antennas B, M T for detecting an electromagnetic field radiated by the conductor 25 and means for calculating the depth of said conductor 25 based on the field detected by the antennas B, M, T. The calculated depth of the conductor is displayed when one or more predetermined criteria are satisfied.

53. 发明公开

EP2098889A3 A detector for calculating a depth of a buried conductor 审中-公开
标题翻译：用于计算埋藏导体深度的探测器
公开(公告)号：EP2098889A3
公开(公告)日：2011-03-16
申请号：EP09250573.4
申请日：2009-02-27
申请人： RADIODETECTION LIMITED
发明人： Royle, John Mark , Pearson, Richard
IPC分类号： G01V3/08
CPC分类号： G01V3/08
摘要： A detector 1 for calculating a depth of a buried conductor comprises three parallel antennas B, M, T. The second antenna M is spaced a distance s from the first antenna B and the third antenna T is a distance 2s from the first antenna B and a distance s from the second antenna M. The outputs of the first and second antennas B, M are compared and the outputs from the second and third antennas M, T are compared. The depth of the buried conductor 25 is calculated based on the first and second compared values.
摘要翻译：用于计算掩埋导体深度的检测器1包括三个平行天线B，M，T。第二天线M与第一天线B隔开距离s，第三天线T与第一天线B隔开2s，并且距离第二天线M的距离s。比较第一和第二天线B，M的输出，并比较来自第二和第三天线M，T的输出。基于第一和第二比较值计算掩埋导体25的深度。

54. 发明授权

EP1292127B1 Integrated camera and illumination device 有权
标题翻译：集成摄像头和照明装置
公开(公告)号：EP1292127B1
公开(公告)日：2011-03-02
申请号：EP02254204.7
申请日：2002-06-17
申请人： RADIODETECTION LIMITED
发明人： Meek, Timothy , Reeve, Christopher David
IPC分类号： H04N5/225
CPC分类号： H04N5/2252 , H04N5/2256 , H04N2005/2255

55. 发明公开

EP2096464A3 System for and method of detecting a buried conductor 有权
标题翻译：系统和方法，用于检测隐藏的导体
公开(公告)号：EP2096464A3
公开(公告)日：2011-02-23
申请号：EP09250546.0
申请日：2009-02-27
申请人： RADIODETECTION LIMITED
发明人： Royle, John Mark , Thompson, Jeff
IPC分类号： G01V3/08 , G01V3/15
CPC分类号： G01V3/08 , G01V3/15
摘要： A system 1 for detecting a buried conductor 3 comprises a transmitter 5 for producing an alternating test current in the buried conductor 3 and a receiver 7 for detecting an electromagnetic field 11 produced by the test current in the buried conductor 3. A communication link is provided between the receiver 7 and the transmitter 5. The receiver 7 measures the signal to noise ratio, SNR, of the electromagnetic field 11 produced by the test current and if the SNR is below a threshold then the receiver 7 controls the transmitter 5 to set frequency and/or power characteristics of the test current.

56. 发明授权

EP1321779B1 Locating device 失效
标题翻译：检测系统
公开(公告)号：EP1321779B1
公开(公告)日：2010-03-10
申请号：EP03075551.6
申请日：1995-04-13
申请人： RADIODETECTION LIMITED
发明人： Haddy, Alan
IPC分类号： G01V11/00 , G01V3/15 , G01C21/00 , G09B29/10
CPC分类号： G01V3/15

57. 发明公开

EP2098890A2 A detector for calculating the depth of a buried conductor 有权
标题翻译：用于计算埋藏导体深度的探测器
公开(公告)号：EP2098890A2
公开(公告)日：2009-09-09
申请号：EP09250574.2
申请日：2009-02-27
申请人： RADIODETECTION LIMITED
发明人： Royle, John Mark , Pearson, Richard
IPC分类号： G01V3/08
CPC分类号： G01V3/08
摘要： A detector 1 for calculating a depth of a buried conductor 25 comprises a plurality of antennas B, M T for detecting an electromagnetic field radiated by the conductor 25 and means for calculating the depth of said conductor 25 based on the field detected by the antennas B, M, T. The calculated depth of the conductor is displayed when one or more predetermined criteria are satisfied.
摘要翻译：用于计算掩埋导体25的深度的检测器1包括用于检测由导体25辐射的电磁场的多个天线B，MT和用于基于由天线B检测的场来计算所述导体25的深度的装置， M，T。当满足一个或多个预定标准时，显示导体的计算深度。

58. 发明授权

EP0898719B1 LOCATOR OF ELECTRICALLY CONDUCTIVE OBJECTS 失效
标题翻译：定位导电物体
公开(公告)号：EP0898719B1
公开(公告)日：2004-09-08
申请号：EP98907049.5
申请日：1998-02-25
申请人： RADIODETECTION LIMITED
发明人： HOPWOOD, Michael, Peter , FROST, Nicholas, James
IPC分类号： G01V3/06
CPC分类号： G01V3/06
摘要： In order to locate an electrically conductive object (2), such as a buried cable or pipe, the electromagnetic field generated by a current in the object (2) is detected by a detector having a plurality of spaced apart antennae (3, 4, 5). Those antennae (3, 4, 5) have aerial arrangements which are not all identical. In order for the location of the object (2) to be derivable by measurements by the antennae (3, 4, 5), two or more of the antennae together have at least four aerials (10, 11, 12, 13, 14, 15), with first and second aerials (11, 13, 14) measuring field components in a direction perpendicular to the direction of separation of the antennae, the third aerial (10, 12) measuring field components parallel to the direction of separation, and the fourth aerial (15) measuring the field components in a direction mutually perpendicular to the directions of the field component measured by the first, second and third aerials. Moreover, at least one antennae (3, 4, 5) measures a component in a direction not measured by at least one other antennae (3, 4, 5).

59. 发明授权

EP0683401B1 Locating device 失效
标题翻译：定位设备
公开(公告)号：EP0683401B1
公开(公告)日：2003-12-17
申请号：EP95302493.2
申请日：1995-04-13
申请人： RADIODETECTION LIMITED
发明人： Haddy, Alan
IPC分类号： G01V3/15
CPC分类号： G01V3/15

60. 发明授权

EP0920636B1 CABLE FAULT MONITORING SYSTEM 失效
标题翻译：电缆故障监测系统
公开(公告)号：EP0920636B1
公开(公告)日：2003-12-03
申请号：EP97934665.7
申请日：1997-08-06
申请人： RADIODETECTION LIMITED
发明人： LEWIS, Andrew, Biggerstaff , REGINI, Andrzej, Zbigniew
IPC分类号： G01R31/08
CPC分类号： G01R31/083
摘要： A method of detecting faults on a cable (1) is provided, such a cable (1) having a conductive path, there being a number of sensors (5a, 5b, 5c, 5d, 5e) along the length of the cable (1), each of the sensors having a resistance measurement device for detecting the cable to ground resistance of the respective section of the cable (1). The cable to ground resistance at the respective sections are measured and compared with a predetermined value, and if the cable to ground resistance of any one particular section is less than the predetermined value, it is determined that a fault is present in that section.

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