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    Method of and apparatus for determining if a buried current carrying conductor is buried above predetermined minimum depth
    4.
    发明授权
    Method of and apparatus for determining if a buried current carrying conductor is buried above predetermined minimum depth 有权
    用于确定埋地载流导体是否被掩埋在预定最小深度之上的方法和装置

    公开(公告)号：US07339379B2

    公开(公告)日：2008-03-04

    申请号：US11455660

    申请日：2006-06-20

    Applicant: Jeff Thompson ,  Richard Pearson ,  Robert White

    Inventor： Jeff Thompson ,  Richard Pearson ,  Robert White

    IPC: G01V3/08 ,  G01V3/11

    CPC classification number: G01V3/081

    Abstract: A detector 1 for detecting a current carrying conductor has a pair of vertically spaced antennae 3, 5 to detect the magnetic radiation produced by a current carrying conductor as a result of one or both of the mains power supply or an electromagnetic signal which is induced in the conductor by a dedicated signal transmitter. The detector 1 continuously calculates the depth of a buried conductor and if the buried conductor is above a predetermined minimum depth then the detector 1 triggers an audio and/or visual alarm. By reducing the sensitivity of the antennae 3, 5, the lateral offset range for which the alarm sounds is reduced and the location of a buried conductor can be determined.

    Abstract translation: 用于检测载流导体的检测器1具有一对垂直间隔的天线3,5，用于检测由载流导体产生的磁辐射，这是由于主电源或电磁信号中的一个或两个引起的， 导体由专用信号发射器。 检测器1连续计算掩埋导体的深度，并且如果掩埋导体高于预定的最小深度，则检测器1触发音频和/或视觉警报。 通过降低天线3,5的灵敏度，可以确定报警发声的横向偏移范围减小并且掩埋导体的位置。

    Universal ticket transport
    5.
    发明申请
    Universal ticket transport 有权

    公开(公告)号：US20060175398A1

    公开(公告)日：2006-08-10

    申请号：US11367053

    申请日：2006-03-02

    Applicant: Graham Hilton ,  Paula Miller ,  Thomas Busch-Sorensen ,  Richard Pearson

    Inventor： Graham Hilton ,  Paula Miller ,  Thomas Busch-Sorensen ,  Richard Pearson

    IPC: G06K5/00 ,  G06K7/08 ,  G06K13/00

    CPC classification number: G06K13/05 ,  G06K13/077 ,  G07B1/00 ,  G07B11/00

    Abstract: A Universal Ticket Transport (UTT) 10, 150 may be configured to read from and write to many types of magnetically encoded tickets 20 currently used in fare collection systems. The UTT 10, 150 includes a mechanical insertion interface and automated movement along a transport path 18 for tickets 20 of varying thicknesses that are presented at a range of different angles 40, 42 into and exiting from the UTT 10, 150. The UTT 10, 150 includes a mechanical assembly 156, 158 which may be rotated, and the belts 22, 24, 152, 154 and rollers 30, 32, 34, 36 reconfigured, to accommodate tickets 20 having top-face or bottom face magnetic stripes. The belt subassemblies A, C and the magnetic head subassembly B are configurable across a width W of the UTT 10, 150 to process tickets 20 having magnetic stripes which are offset from a center line 86. The UTT 10, 150 includes a control processor 200 having analog to digital interfaces 216 and control logic 202, 204 for operating the transport mechanisms 212 locally and communicating data through a serial interface 220 to a host system 222.

    Detector for detecting a buried current carrying conductor using electromagnetic radiation of predetermined frequencies
    7.
    发明授权
    Detector for detecting a buried current carrying conductor using electromagnetic radiation of predetermined frequencies 有权
    用于使用预定频率的电磁辐射检测埋入载流导体的检测器

    公开(公告)号：US07403012B2

    公开(公告)日：2008-07-22

    申请号：US11455662

    申请日：2006-06-20

    Applicant: Robert Worsley ,  Jeff Thompson ,  Richard Pearson ,  Mark Royle

    Inventor： Robert Worsley ,  Jeff Thompson ,  Richard Pearson ,  Mark Royle

    IPC: G01V3/11 ,  G01V3/08

    CPC classification number: G01V3/081

    Abstract: A detector for detecting a buried current carrying conductor includes a digital signal processor, magnetic sensors, and a power supply unit. The power supply unit is a switched mode power supply which incorporates a proportional integral differential controller feedback algorithm and which is managed by the digital signal processor. The load and source voltage are monitored by the digital signal processor and a look-up table is used to control a pulse width modulator, which drives a single ended primary induction controller. The digital signal processor processes and compares signals received from the sensors to calculate a depth of a buried conductor. The self-generated noise of the power supply unit does not interfere with the frequency bands of detection of the detector.

    Abstract translation: 用于检测埋地载流导体的检测器包括数字信号处理器，磁传感器和电源单元。 电源单元是开关模式电源，其包含比例积分微分控制器反馈算法，并由数字信号处理器管理。 负载和源极电压由数字信号处理器监控，并且使用查找表来控制驱动单端主要感应控制器的脉宽调制器。 数字信号处理器处理和比较从传感器接收的信号以计算掩埋导体的深度。 电源单元的自发噪声不会与检测器的检测频带相干扰。

    Universal ticket transport
    8.
    发明申请
    Universal ticket transport 有权
    通票运输

    公开(公告)号：US20050061885A1

    公开(公告)日：2005-03-24

    申请号：US10989360

    申请日：2004-11-15

    Applicant: Graham Hilton ,  Paula Miller ,  Thomas Busch-Sorensen ,  Richard Pearson

    Inventor： Graham Hilton ,  Paula Miller ,  Thomas Busch-Sorensen ,  Richard Pearson

    IPC: G07B1/00 ,  G07B11/00 ,  G06K7/08

    CPC classification number: G06K13/05 ,  G06K13/077 ,  G07B1/00 ,  G07B11/00

    Abstract: A Universal Ticket Transport (UTT) 10, 150 may be configured to read from and write to many types of magnetically encoded tickets 20 currently used in fare collection systems. The UTT 10, 150 includes a mechanical insertion interface and automated movement along a transport path 18 for tickets 20 of varying thicknesses that are presented at a range of different angles 40, 42 into and exiting from the UTT 10, 150. The UTT 10, 150 includes a mechanical assembly 156, 158 which may be rotated, and the belts 22, 24, 152, 154 and rollers 30, 32, 34, 36 reconfigured, to accommodate tickets 20 having top-face or bottom face magnetic stripes. The belt subassemblies A, C and the magnetic head subassembly B are configurable across a width W of the UTT 10, 150 to process tickets 20 having magnetic stripes which are offset from a center line 86. The UTT 10, 150 includes a control processor 200 having analog to digital interfaces 216 and control logic 202, 204 for operating the transport mechanisms 212 locally and communicating data through a serial interface 220 to a host system 222.

    Abstract translation: 通用票务传输（UTT）10,150可以被配置为从当前在票价收集系统中使用的许多类型的磁编码门票20读取和写入。 UTT 10,150包括机械插入接口和沿着传送路径18的自动移动，用于在不同角度40,42进入和离开UTT 10,150的范围内呈现的不同厚度的票20。 150包括可以旋转的机械组件156,158，并且重新配置皮带22,24,152,154和辊30,32,34,36，以容纳具有顶面或底面磁条的票20。 带子组件A，C和磁头组件B可跨越UTT 10,150的宽度W配置，以处理具有偏离中心线86的磁条的票20.UTT 10,150包括控制处理器200 具有用于在本地操作传输机构212并且通过串行接口220将数据传送到主机系统222的模拟数字接口216和控制逻辑202,204。

    Radio mode selectivity block for a detector for detecting a buried current carrying conductor
    9.
    发明授权
    Radio mode selectivity block for a detector for detecting a buried current carrying conductor 有权
    用于检测埋地载流导体的检测器的无线电模式选择性块

    公开(公告)号：US07304480B1

    公开(公告)日：2007-12-04

    申请号：US11455788

    申请日：2006-06-20

    Applicant: Richard Pearson

    Inventor： Richard Pearson

    IPC: G01V3/08 ,  H03B21/02

    CPC classification number: G01R29/085

    Abstract: A radio mode selectivity block 41 for a detector 1 for detecting a buried current carrying conductor comprises a plurality of beat frequency oscillators 53 to center the bandwidth of detection of the detector 1 on target very low frequency (VLF) frequency bands. The frequencies of the beat frequency oscillators are chosen to fall within the VLF frequency bands used in a number of countries, so that the detector 1 can be used in radio mode in these countries without the need for local configuration.

    Abstract translation: 用于检测埋地载流导体的检测器1的无线电模式选择块41包括多个拍频振荡器53，以使检测器1的检测带宽居于目标极低频（VLF）频带上。 拍频振荡器的频率被选择为落在许多国家使用的VLF频带内，使得检测器1可以在这些国家的无线电模式下使用，而不需要本地配置。

    RADIO MODE SELECTIVITY BLOCK FOR A DETECTOR FOR DETECTING A BURIED CURRENT CARRYING CODUCTOR
    10.
    发明申请
    RADIO MODE SELECTIVITY BLOCK FOR A DETECTOR FOR DETECTING A BURIED CURRENT CARRYING CODUCTOR 有权
    用于检测传输电流的探测器的无线电模式选择性块

    公开(公告)号：US20070268011A1

    公开(公告)日：2007-11-22

    申请号：US11455788

    申请日：2006-06-20

    Applicant: Richard Pearson

    Inventor： Richard Pearson

    IPC: G01R19/00

    CPC classification number: G01R29/085

    Abstract: A radio mode selectivity block 41 for a detector 1 for detecting a buried current carrying conductor comprises a plurality of beat frequency oscillators 53 to centre the bandwidth of detection of the detector 1 on target very low frequency (VLF) frequency bands. The frequencies of the beat frequency oscillators are chosen to fall within the VLF frequency bands used in a number of countries, so that the detector 1 can be used in radio mode in these countries without the need for local configuration.

    Abstract translation: 用于检测埋地载流导体的检测器1的无线电模式选择块41包括多个拍频振荡器53，以使检测器1的检测带宽居于目标极低频（VLF）频带上。 拍频振荡器的频率被选择为落在许多国家使用的VLF频带内，使得检测器1可以在这些国家的无线电模式下使用，而不需要本地配置。

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