CA2032165A1 - Systeme de detection de champ electrique - Google Patents

Systeme de detection de champ electrique

Info

Publication number
CA2032165A1
CA2032165A1 CA 2032165 CA2032165A CA2032165A1 CA 2032165 A1 CA2032165 A1 CA 2032165A1 CA 2032165 CA2032165 CA 2032165 CA 2032165 A CA2032165 A CA 2032165A CA 2032165 A1 CA2032165 A1 CA 2032165A1
Authority
CA
Canada
Prior art keywords
electric field
signal
field signal
aircraft
antenna
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.)
Abandoned
Application number
CA 2032165
Other languages
English (en)
Inventor
William E. Merritt
Joel Johnson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2032165A1 publication Critical patent/CA2032165A1/fr
Abandoned legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
    • G01R29/08—Measuring electromagnetic field characteristics
    • G01R29/0807—Measuring electromagnetic field characteristics characterised by the application
    • G01R29/0814—Field measurements related to measuring influence on or from apparatus, components or humans, e.g. in ESD, EMI, EMC, EMP testing, measuring radiation leakage; detecting presence of micro- or radiowave emitters; dosimetry; testing shielding; measurements related to lightning
    • G01R29/085—Field measurements related to measuring influence on or from apparatus, components or humans, e.g. in ESD, EMI, EMC, EMP testing, measuring radiation leakage; detecting presence of micro- or radiowave emitters; dosimetry; testing shielding; measurements related to lightning for detecting presence or location of electric lines or cables

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Traffic Control Systems (AREA)
  • Geophysics And Detection Of Objects (AREA)
CA 2032165 1989-06-28 1990-06-13 Systeme de detection de champ electrique Abandoned CA2032165A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US373,805 1982-04-30
US37380589A 1989-06-28 1989-06-28
US47854790A 1990-02-12 1990-02-12
US478,547 1990-02-12

Publications (1)

Publication Number Publication Date
CA2032165A1 true CA2032165A1 (fr) 1990-12-29

Family

ID=27006315

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2032165 Abandoned CA2032165A1 (fr) 1989-06-28 1990-06-13 Systeme de detection de champ electrique

Country Status (3)

Country Link
AU (1) AU6043990A (fr)
CA (1) CA2032165A1 (fr)
WO (1) WO1991000525A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2676824B1 (fr) * 1991-05-23 1993-09-24 Asept Applic Securite Positive Detecteur de proximite de lignes electriques aeriennes.
GB2343956B (en) * 1998-09-18 2003-09-03 Safe Flight Instrument In-flight aid for detecting power lines
US7248054B2 (en) * 2004-12-23 2007-07-24 Power Survey Company Apparatus and method for detecting an electric field
DK2016371T3 (da) * 2005-10-19 2020-09-14 Osmose Utilities Services Inc Anordning og fremgangsmåde til overvågning og styring af detektering af vagabonderende spændingsanomalier

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2454630A (en) * 1945-01-08 1948-11-23 United Air Lines Inc Method and apparatus for indicating potential gradients
US2969539A (en) * 1958-03-28 1961-01-24 Bosch Arma Corp Proximity warning and collision avoidance system
US4199715A (en) * 1974-11-15 1980-04-22 The Johns Hopkins University Method and apparatus for defining an equipotential line or _surface in the earth's atmosphere and measuring the misalignment of a _selected line or plane relative to an equipotential line or surface
US4013955A (en) * 1975-07-02 1977-03-22 The United States Of America As Represented By The Secretary Of The Navy Analog signal processor

Also Published As

Publication number Publication date
AU6043990A (en) 1991-01-17
WO1991000525A1 (fr) 1991-01-10

Similar Documents

Publication Publication Date Title
US5252912A (en) System for warning aircraft pilot of potential impact with a power line and generating time-to-time impact signal
US5828219A (en) Method of detecting faults in the insulation layer of an insulated concealed conductor
US3662260A (en) Electric field measuring instrument with probe for sensing three orthogonal components
US4427943A (en) Apparatus and method for locating and tracking magnetic objects or sources
US3614600A (en) Electromagnetic prospecting apparatus for detecting electrically or magnetically responsive ore bodies
CN102096113B (zh) 时间域地空电磁探测系统及标定方法
US5646524A (en) Three dimensional tracking system employing a rotating field
US4438401A (en) System for detecting a cable buried under the seabed
US5151649A (en) Pair of electrically shielded triaxial magnetic sensors for determination of electric currents in conductors in air with distance and angle compensation
US5206640A (en) Surveillance system
MX2011010520A (es) Metodo y aparato de deteccion de anomalia de cable metalico de neumatico.
US5798644A (en) Method and apparatus for locating buried conveyances using locating & confirmation signals with an array of sensors
US3868074A (en) Method and apparatus for attitude detection and stabilization of an airborne vehicle using the electrostatic field in the earth{3 s atmosphere
US4317079A (en) Buried cable locating system
US4070625A (en) Apparatus for measuring the distance to the floor of the cargo hold of a ship through intervening bulk material
US5859597A (en) Helicopter electronic system for detecting electric power lines during landing
US4675606A (en) Magnetometers for detecting metallic objects in earth's magnetic field
US4808923A (en) System for calculating the path of a naval vessel
Pavlov et al. Low frequency electromagnetic system of relative navigation and orientation
CA2032165A1 (fr) Systeme de detection de champ electrique
US3624598A (en) Magnetic position detection method and apparatus
EP1467218A2 (fr) Capteurs de champs magnétiques ultra-sensibles
US4130791A (en) Automatic pipe depth locator
CA1184974A (fr) Methode et instrument aeroporte pour l'inspection de l'etat de la protection cathodique des pipelines enfouis
EP0242391B1 (fr) Systeme magnetique a reglage automatique utilise pour la demagnetisation des navires

Legal Events

Date Code Title Description
FZDE Dead