CA2143766A1 - Circuit tracer - Google Patents
Circuit tracerInfo
- Publication number
- CA2143766A1 CA2143766A1 CA002143766A CA2143766A CA2143766A1 CA 2143766 A1 CA2143766 A1 CA 2143766A1 CA 002143766 A CA002143766 A CA 002143766A CA 2143766 A CA2143766 A CA 2143766A CA 2143766 A1 CA2143766 A1 CA 2143766A1
- Authority
- CA
- Canada
- Prior art keywords
- conductor
- probe
- location
- open
- ended
- 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.)
- Granted
Links
- 239000000700 radioactive tracer Substances 0.000 title abstract 3
- 239000004020 conductor Substances 0.000 abstract 7
- 239000000523 sample Substances 0.000 abstract 5
- 230000005684 electric field Effects 0.000 abstract 2
- 230000001939 inductive effect Effects 0.000 abstract 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
- G01V3/02—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with propagation of electric current
- G01V3/06—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with propagation of electric current using ac
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Geology (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
A circuit tracer for determinating the location of a conductor, such as a wire, which is either an open or closed circuit, and which may lie underground. The tracer includes a transmitter which is connected to the conductor, a hand-held probe, and a re-ceiver which is connected to the probe. The probe has three different sensors:
an electric field sensor (62), primarily for locating the terminus of an open-ended conductor or for distinguishing such a wire in a bundled cable or wires; a differential electric field sensor (64, 66), for determining the direction to and location of an open-ended conductor located above ground; and an inductive sensor (68) for determining the direction to and location of a current-carrying conductor, including an open-ended conductor ly-ing below ground. A switch selectively provides the output from one of the sensors to the receiver unit, which determines the mag-nitude of any signal based upon the direction the probe is pointing. By swinging the probe back and forth, and observing the re-ceived signal, the direction to and location of the conductor may be determined.
an electric field sensor (62), primarily for locating the terminus of an open-ended conductor or for distinguishing such a wire in a bundled cable or wires; a differential electric field sensor (64, 66), for determining the direction to and location of an open-ended conductor located above ground; and an inductive sensor (68) for determining the direction to and location of a current-carrying conductor, including an open-ended conductor ly-ing below ground. A switch selectively provides the output from one of the sensors to the receiver unit, which determines the mag-nitude of any signal based upon the direction the probe is pointing. By swinging the probe back and forth, and observing the re-ceived signal, the direction to and location of the conductor may be determined.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US95364792A | 1992-09-29 | 1992-09-29 | |
| US07/950157 | 1992-09-29 | ||
| US07/950,157 US5365163A (en) | 1992-09-29 | 1992-09-29 | Sensor array for circuit tracer |
| US07/953647 | 1992-09-29 | ||
| PCT/US1993/007753 WO1994008257A1 (en) | 1992-09-29 | 1993-08-18 | Circuit tracer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2143766A1 true CA2143766A1 (en) | 1994-04-14 |
| CA2143766C CA2143766C (en) | 2002-01-01 |
Family
ID=27130298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002143766A Expired - Fee Related CA2143766C (en) | 1992-09-29 | 1993-08-18 | Circuit tracer |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0663076A1 (en) |
| JP (1) | JPH08502129A (en) |
| CA (1) | CA2143766C (en) |
| WO (1) | WO1994008257A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU7490796A (en) * | 1996-10-18 | 1998-05-15 | Jorg Dehnert | Method and device for measurement with sinusoidal alternating current in direct current geoelectrics |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4686454A (en) * | 1984-08-22 | 1987-08-11 | Pasar, Inc. | Conductor tracer with improved open circuit detection, close-range discrimination and directionality |
| JPH071313B2 (en) * | 1986-12-23 | 1995-01-11 | 松下電工株式会社 | Wall rear member detection device |
| US5134379A (en) * | 1987-10-02 | 1992-07-28 | Detection Systems Pty., Ltd. | Capacitive material presence detecting apparatus |
| GB8911274D0 (en) * | 1989-05-17 | 1989-07-05 | Moonstone Computers Ltd | Proximity sensor |
-
1993
- 1993-08-18 CA CA002143766A patent/CA2143766C/en not_active Expired - Fee Related
- 1993-08-18 WO PCT/US1993/007753 patent/WO1994008257A1/en not_active Application Discontinuation
- 1993-08-18 EP EP93920154A patent/EP0663076A1/en not_active Withdrawn
- 1993-08-18 JP JP6509030A patent/JPH08502129A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JPH08502129A (en) | 1996-03-05 |
| EP0663076A1 (en) | 1995-07-19 |
| CA2143766C (en) | 2002-01-01 |
| WO1994008257A1 (en) | 1994-04-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |