CA2714109C - Ratiometric ac wire tracer - Google Patents
Ratiometric ac wire tracer Download PDFInfo
- Publication number
- CA2714109C CA2714109C CA2714109A CA2714109A CA2714109C CA 2714109 C CA2714109 C CA 2714109C CA 2714109 A CA2714109 A CA 2714109A CA 2714109 A CA2714109 A CA 2714109A CA 2714109 C CA2714109 C CA 2714109C
- Authority
- CA
- Canada
- Prior art keywords
- coupled
- amplifiers
- combiner
- electrical wiring
- signal
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
Links
- 239000000700 radioactive tracer Substances 0.000 title description 2
- 238000009429 electrical wiring Methods 0.000 claims abstract description 122
- 238000000034 method Methods 0.000 claims abstract description 28
- 230000005684 electric field Effects 0.000 claims abstract description 6
- 238000012935 Averaging Methods 0.000 claims abstract description 4
- 230000015654 memory Effects 0.000 claims description 6
- 230000001419 dependent effect Effects 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 description 69
- 230000008569 process Effects 0.000 description 9
- 238000012545 processing Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 239000013598 vector Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 239000003989 dielectric material Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000004397 blinking Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000013481 data capture Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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
- G01V3/088—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 operating with electric fields
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Remote Sensing (AREA)
- Geology (AREA)
- Environmental & Geological Engineering (AREA)
- Electromagnetism (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Geophysics And Detection Of Objects (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US3442008P | 2008-03-06 | 2008-03-06 | |
| US61/034,420 | 2008-03-06 | ||
| US12/397,241 | 2009-03-03 | ||
| US12/397,241 US7671576B2 (en) | 2008-03-06 | 2009-03-03 | Ratiometric AC wire tracer |
| PCT/US2009/035944 WO2009111518A1 (en) | 2008-03-06 | 2009-03-04 | Ratiometric ac wire tracer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2714109A1 CA2714109A1 (en) | 2009-09-11 |
| CA2714109C true CA2714109C (en) | 2017-02-28 |
Family
ID=41052942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2714109A Expired - Fee Related CA2714109C (en) | 2008-03-06 | 2009-03-04 | Ratiometric ac wire tracer |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US7671576B2 (enExample) |
| EP (1) | EP2255223B1 (enExample) |
| JP (1) | JP5559705B2 (enExample) |
| CN (1) | CN101960332B (enExample) |
| CA (1) | CA2714109C (enExample) |
| WO (1) | WO2009111518A1 (enExample) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011109736A2 (en) | 2010-03-04 | 2011-09-09 | Dorrough David M | Obscured feature detector |
| US9136682B2 (en) | 2013-05-03 | 2015-09-15 | Lenovo Enterprise Solutions (Singapore) Pte. Ltd. | Cable tracing in a datacenter |
| US10663613B2 (en) | 2015-06-23 | 2020-05-26 | Franklin Sensors, Inc. | Apparatus and methods for detecting obscured features |
| US10895657B2 (en) | 2017-01-13 | 2021-01-19 | Franklin Sensors Inc. | Apparatus and methods for obscured feature detection with uniform electric fields |
| US10261208B2 (en) | 2015-06-23 | 2019-04-16 | David M. Dorrough | Apparatus and methods for detecting obscured features |
| US10613243B2 (en) | 2017-04-27 | 2020-04-07 | Franklin Sensors Inc. | Apparatus and methods for obscured feature detection |
| US10524592B2 (en) | 2015-12-01 | 2020-01-07 | Black & Decker Inc. | Picture hanging device |
| CN107065015B (zh) * | 2017-01-23 | 2019-04-16 | 金华马卡科技有限公司 | 对隐蔽特征进行定位的方法和定位装置 |
| CN110441825B (zh) * | 2019-09-04 | 2021-04-27 | 上海海事大学 | 墙内电线的可视化检测方法 |
| KR102407332B1 (ko) * | 2020-12-11 | 2022-06-10 | 현대모비스 주식회사 | 레졸버의 출력신호 진단 장치 및 방법 |
| JP7312950B1 (ja) | 2022-01-05 | 2023-07-24 | 英志 古川 | 接地系交流低圧平衡線路の位置探査方法及び接地系交流低圧平衡線路の位置探査装置 |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1509380A (en) * | 1975-06-14 | 1978-05-04 | Electrolocation Ltd | Underground metal pipe or cable location |
| JPS56108986A (en) * | 1980-02-04 | 1981-08-28 | Kokusai Denshin Denwa Co Ltd <Kdd> | Cable tracking system |
| US4427942A (en) * | 1980-04-29 | 1984-01-24 | Electrolocation Limited | Concealed electrical conductor detecting system |
| JPS57136147A (en) * | 1981-02-18 | 1982-08-23 | Rigaku Denki Kk | Device for tracking end having different phase in sheet shaped body |
| JPH0833452B2 (ja) * | 1987-05-12 | 1996-03-29 | 高千穂産業株式会社 | 埋設ケ−ブル位置測定器 |
| GB9110427D0 (en) | 1991-05-14 | 1991-07-03 | Howell Mark I | Improved device and method for locating buried conductors |
| DE69415303T2 (de) * | 1993-02-17 | 1999-06-02 | Mark Ian Bristol Howell | Lokalisierung verlegter kabel |
| JPH1039040A (ja) * | 1996-07-22 | 1998-02-13 | Matsushita Electric Works Ltd | 埋設物位置検出装置 |
| US5917314A (en) | 1996-08-08 | 1999-06-29 | Zircon Corporation | Electronic wall-stud sensor with three capacitive elements |
| US5773971A (en) * | 1996-08-08 | 1998-06-30 | Zircon Corporation | Three electrode AC detection |
| US6529006B1 (en) | 2001-10-31 | 2003-03-04 | Paul Hayes | Method and apparatus for resolving the position and identity of buried conductive bodies |
| US6933712B2 (en) | 2002-07-15 | 2005-08-23 | Zircon Corporation | Electrical circuit tracing and identifying apparatus and method |
| US7120564B2 (en) | 2003-04-03 | 2006-10-10 | Metrotech Corporation | Buried line locator with integral position sensing |
| US7116091B2 (en) * | 2004-03-04 | 2006-10-03 | Zircon Corporation | Ratiometric stud sensing |
| KR100630005B1 (ko) * | 2004-05-18 | 2006-09-27 | 엘지전자 주식회사 | 비파괴 검사 장치 및 검사 방법 |
| GB2427473B (en) * | 2005-06-20 | 2008-07-23 | Radiodetection Ltd | A method of and apparatus for detecting a current carrying conductor |
| CN101539637A (zh) * | 2009-04-08 | 2009-09-23 | 广东工业大学 | 一种室内墙埋电线无伤检测仪 |
-
2009
- 2009-03-03 US US12/397,241 patent/US7671576B2/en active Active
- 2009-03-04 CA CA2714109A patent/CA2714109C/en not_active Expired - Fee Related
- 2009-03-04 WO PCT/US2009/035944 patent/WO2009111518A1/en not_active Ceased
- 2009-03-04 CN CN200980107702.7A patent/CN101960332B/zh not_active Expired - Fee Related
- 2009-03-04 JP JP2010549836A patent/JP5559705B2/ja not_active Expired - Fee Related
- 2009-03-04 EP EP20090717426 patent/EP2255223B1/en not_active Not-in-force
Also Published As
| Publication number | Publication date |
|---|---|
| JP5559705B2 (ja) | 2014-07-23 |
| US7671576B2 (en) | 2010-03-02 |
| CA2714109A1 (en) | 2009-09-11 |
| CN101960332A (zh) | 2011-01-26 |
| EP2255223B1 (en) | 2015-05-20 |
| CN101960332B (zh) | 2014-11-05 |
| JP2011516827A (ja) | 2011-05-26 |
| WO2009111518A1 (en) | 2009-09-11 |
| US20090224747A1 (en) | 2009-09-10 |
| EP2255223A1 (en) | 2010-12-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request |
Effective date: 20131125 |
|
| MKLA | Lapsed |
Effective date: 20220907 |
|
| MKLA | Lapsed |
Effective date: 20210304 |