WO2013074705A3 - Multi-frequency locating systems and methods - Google Patents

Multi-frequency locating systems and methods Download PDF

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Publication number
WO2013074705A3
WO2013074705A3 PCT/US2012/065126 US2012065126W WO2013074705A3 WO 2013074705 A3 WO2013074705 A3 WO 2013074705A3 US 2012065126 W US2012065126 W US 2012065126W WO 2013074705 A3 WO2013074705 A3 WO 2013074705A3
Authority
WO
WIPO (PCT)
Prior art keywords
methods
signals
magnetic field
visual
generate
Prior art date
Application number
PCT/US2012/065126
Other languages
French (fr)
Other versions
WO2013074705A2 (en
Inventor
Mark Olsson
David Cox
Stephanie M BENCH
Jan Soukup
Timothy M. Turner
Ryan B. Levin
Ray Merewether
Michael J. Martin
Original Assignee
Mark Olsson
David Cox
Bench Stephanie M
Jan Soukup
Turner Timothy M
Levin Ryan B
Ray Merewether
Martin Michael J
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mark Olsson, David Cox, Bench Stephanie M, Jan Soukup, Turner Timothy M, Levin Ryan B, Ray Merewether, Martin Michael J filed Critical Mark Olsson
Priority to EP12812745.3A priority Critical patent/EP2780741B1/en
Priority claimed from US13/676,989 external-priority patent/US9638824B2/en
Publication of WO2013074705A2 publication Critical patent/WO2013074705A2/en
Publication of WO2013074705A3 publication Critical patent/WO2013074705A3/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
    • G01V3/081—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices the magnetic field is produced by the objects or geological structures
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
    • G01R33/10—Plotting field distribution ; Measuring field distribution

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Electromagnetism (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geophysics (AREA)
  • Geophysics And Detection Of Objects (AREA)

Abstract

Multi-frequency buried object location system transmitters and locators are disclosed. A transmitter may generate and provide output signals to a buried object at a plu-rality of frequencies, which may be selected based on a connection type. Corresponding lo-cators may simultaneously receive a plurality of magnetic field signals emitted from the bu-ried object and generate visual and/or audible output information based at least in part on the plurality of received magnetic field signals. The visual and/or audible output may be further based on signals received from a quad-gradient antenna array.
PCT/US2012/065126 2011-11-14 2012-11-14 Multi-frequency locating systems and methods WO2013074705A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP12812745.3A EP2780741B1 (en) 2011-11-14 2012-11-14 Multi-frequency locating systems and methods

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
US201161559696P 2011-11-14 2011-11-14
US61/559,696 2011-11-14
US201161561809P 2011-11-18 2011-11-18
US61/561,809 2011-11-18
US201261614829P 2012-03-23 2012-03-23
US61/614,829 2012-03-23
US13/676,989 US9638824B2 (en) 2011-11-14 2012-11-14 Quad-gradient coils for use in locating systems
US13/676,989 2012-11-14

Publications (2)

Publication Number Publication Date
WO2013074705A2 WO2013074705A2 (en) 2013-05-23
WO2013074705A3 true WO2013074705A3 (en) 2014-02-27

Family

ID=47521132

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2012/065126 WO2013074705A2 (en) 2011-11-14 2012-11-14 Multi-frequency locating systems and methods

Country Status (1)

Country Link
WO (1) WO2013074705A2 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9264012B2 (en) 2012-06-25 2016-02-16 Ppc Broadband, Inc. Radio frequency signal splitter
CA2907673C (en) 2013-03-22 2018-01-02 Ppc Broadband, Inc. Corrective magnetic field for ferrite-based circuits
CN213240791U (en) 2016-12-15 2021-05-18 米沃奇电动工具公司 Pipeline inspection system and hub for pipeline inspection equipment
EP3814839A4 (en) 2018-05-09 2022-04-20 Milwaukee Electric Tool Corporation Hub connection for pipeline inspection device
USD983469S1 (en) 2019-05-09 2023-04-11 Milwaukee Electric Tool Corporation Hub for pipeline inspection device
USD988113S1 (en) 2019-05-09 2023-06-06 Milwaukee Electric Tool Corporation Receptacle for pipeline inspection device
WO2021163241A1 (en) 2020-02-12 2021-08-19 Milwaukee Electric Tool Corporation Pipeline inspection device with enhanced image control

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060284610A1 (en) * 2005-06-20 2006-12-21 Jeff Thompson Method of and apparatus for determining if a buried current carrying conductor is buried above predetermined minimum depth
US20080136631A1 (en) * 2005-01-11 2008-06-12 Frederick Dean Fluck Metal detection system and method

Family Cites Families (8)

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US7619516B2 (en) 2002-10-09 2009-11-17 Seektech, Inc. Single and multi-trace omnidirectional sonde and line locators and transmitter used therewith
US7009399B2 (en) 2002-10-09 2006-03-07 Deepsea Power & Light Omnidirectional sonde and line locator
US7443154B1 (en) 2003-10-04 2008-10-28 Seektech, Inc. Multi-sensor mapping omnidirectional sonde and line locator
CN1977181A (en) 2004-06-28 2007-06-06 皇家飞利浦电子股份有限公司 Parallel magnetic resonance imaging
US7221136B2 (en) 2004-07-08 2007-05-22 Seektech, Inc. Sondes for locating underground pipes and conduits
US8203343B1 (en) 2005-10-12 2012-06-19 Seektech, Inc. Reconfigurable portable locator employing multiple sensor array having flexible nested orthogonal antennas
US7755360B1 (en) 2005-10-24 2010-07-13 Seektech, Inc. Portable locator system with jamming reduction
US7741848B1 (en) 2006-09-18 2010-06-22 Seektech, Inc. Adaptive multichannel locator system for multiple proximity detection

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080136631A1 (en) * 2005-01-11 2008-06-12 Frederick Dean Fluck Metal detection system and method
US20060284610A1 (en) * 2005-06-20 2006-12-21 Jeff Thompson Method of and apparatus for determining if a buried current carrying conductor is buried above predetermined minimum depth

Also Published As

Publication number Publication date
WO2013074705A2 (en) 2013-05-23

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