FR2368048A1 - Dispositif de reception et de mesure directe en continu de signaux electriques magnetiques. - Google Patents
Dispositif de reception et de mesure directe en continu de signaux electriques magnetiques.Info
- Publication number
- FR2368048A1 FR2368048A1 FR7631009A FR7631009A FR2368048A1 FR 2368048 A1 FR2368048 A1 FR 2368048A1 FR 7631009 A FR7631009 A FR 7631009A FR 7631009 A FR7631009 A FR 7631009A FR 2368048 A1 FR2368048 A1 FR 2368048A1
- Authority
- FR
- France
- Prior art keywords
- stage
- continuous direct
- reception device
- electric signals
- direct measurement
- 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
- 238000005259 measurement Methods 0.000 title abstract 3
- 238000001914 filtration Methods 0.000 abstract 3
- 230000003321 amplification Effects 0.000 abstract 1
- 238000001514 detection method Methods 0.000 abstract 1
- 238000005065 mining Methods 0.000 abstract 1
- 238000003199 nucleic acid amplification method Methods 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
- G01V3/12—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with electromagnetic waves
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)
- Superheterodyne Receivers (AREA)
- Circuits Of Receivers In General (AREA)
- Geophysics And Detection Of Objects (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
Abstract
Dispositif de réception et de mesure directe en continu de signaux électriques magnétiques. Il est du type comportant un étage d'amplification d'entrée et au moins un étage de filtrage des fréquences à bande large disponibles à l'entrée, un oscillateur local délivrant un signal à une fréquence de référence et un étage de mesure, caractérisé en ce qu'il comporte en outre un étage de filtrage en basse fréquence connecté à un mélangeur interposé entre l'étage de filtrage à bande large et l'oscillateur local. Applications au Génie civil, archéologie, détection des cavités et à recherche hydro-géologie et minière pour de faibles profondeurs.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7631009A FR2368048A1 (fr) | 1976-10-15 | 1976-10-15 | Dispositif de reception et de mesure directe en continu de signaux electriques magnetiques. |
| US05/840,385 US4198596A (en) | 1976-10-15 | 1977-10-07 | Device for direct and continuous receiving and measuring of electrical magnetic and acoustic signals |
| IE2070/77A IE45794B1 (en) | 1976-10-15 | 1977-10-10 | Device and process for direct and continuous receiving and measuring of electrical magnetic and acoustic signals |
| AU29668/77A AU507870B2 (en) | 1976-10-15 | 1977-10-13 | Geophysical signal measurement |
| OA56297A OA05783A (fr) | 1976-10-15 | 1977-10-13 | Dispositif de réception et de mesure directe en continu de signaux électriques magnétiques. |
| CA288,761A CA1106448A (fr) | 1976-10-15 | 1977-10-14 | Dispositif et methode pour le mesurage continu en direct de signaux electromecaniques et electroacoustiques |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7631009A FR2368048A1 (fr) | 1976-10-15 | 1976-10-15 | Dispositif de reception et de mesure directe en continu de signaux electriques magnetiques. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2368048A1 true FR2368048A1 (fr) | 1978-05-12 |
| FR2368048B1 FR2368048B1 (fr) | 1982-06-18 |
Family
ID=9178789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7631009A Granted FR2368048A1 (fr) | 1976-10-15 | 1976-10-15 | Dispositif de reception et de mesure directe en continu de signaux electriques magnetiques. |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4198596A (fr) |
| AU (1) | AU507870B2 (fr) |
| CA (1) | CA1106448A (fr) |
| FR (1) | FR2368048A1 (fr) |
| IE (1) | IE45794B1 (fr) |
| OA (1) | OA05783A (fr) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2462720A1 (fr) * | 1979-07-31 | 1981-02-13 | Rech Geolog Miniere | Dispositif emetteur recepteur multifrequenciel pour appareil de prospection electromagnetique |
| EP0326638A1 (fr) * | 1988-02-05 | 1989-08-09 | Elizabeth A. Rauscher | Dispositif non supraconducteur pour détecter des champs magnétiques et électromagnétiques |
Families Citing this family (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4825165A (en) * | 1978-02-08 | 1989-04-25 | Helms Ronald L | Method and apparatus for detecting a transient phenomenon by monitoring variations of an alternating component of a vertical current emanating from the earth's surface |
| SE419269B (sv) * | 1979-11-29 | 1981-07-20 | Boliden Ab | Forfarande och anordning for bestemning av markens elektriska ledningsformaga |
| US4665486A (en) * | 1984-06-27 | 1987-05-12 | Halliburton Company | Method and apparatus for reducing statistical variations in nuclear well logs |
| US4945310A (en) * | 1986-01-24 | 1990-07-31 | J. R. Jackson | Passive geophysical survey method based upon the detection of the DC component of the vertical electrical potential of natural earth currents |
| US4841250A (en) * | 1986-01-24 | 1989-06-20 | J. R. Jackson | Passive geophysical survey apparatus based upon the detection of the DC component of the vertical electrical potential of natural earth currents |
| US4724390A (en) * | 1986-03-24 | 1988-02-09 | Rauscher Elizabeth A | Non-superconducting apparatus for detecting magnetic and electromagnetic fields |
| US4894566A (en) * | 1988-10-18 | 1990-01-16 | Rush Michael J | Noise reduction circuit |
| US5361029A (en) * | 1990-06-18 | 1994-11-01 | The Charles Machine Works, Inc. | System for locating multiple concealed underground objects |
| US5256960A (en) * | 1991-04-09 | 1993-10-26 | Novini Amir R | Portable dual band electromagnetic field radiation measurement apparatus |
| US5418460A (en) * | 1992-07-21 | 1995-05-23 | Innovatum, Inc. | Compact triaxial AC magnetic field analyzer/dosimeter using swept bandpass filters |
| US5512823A (en) * | 1993-12-15 | 1996-04-30 | Eakes Research, Inc. | Electromagnetic field detector for detecting electromagnetic field strength in an extremely low frequency band and a very low frequency band |
| RU2119680C1 (ru) * | 1994-04-19 | 1998-09-27 | Кравченко Юрий Павлович | Способ геоэлектромагнитной разведки и устройство для его реализации |
| US5777478A (en) * | 1996-08-27 | 1998-07-07 | John R. Jackson | Passive geophysical prospecting apparatus and method based upon detection of discontinuities associated with extremely low frequency electromagnetic fields |
| US20050179436A1 (en) * | 1996-11-04 | 2005-08-18 | Larry Park | Seismic activity detector |
| US20080290875A1 (en) * | 1996-11-04 | 2008-11-27 | Park Larry A | Seismic activity detector |
| US5742166A (en) * | 1996-11-04 | 1998-04-21 | Park; Larry | Seismic activity predictor including a dielectric for receiving precursor seismic electromagnetic waveforms |
| US6414492B1 (en) | 2000-11-02 | 2002-07-02 | Amalgamated Explorations, Inc. | Method and apparatus for passive detection of geophysical discontinuities in the earth |
| US6937190B1 (en) | 2002-04-16 | 2005-08-30 | John R. Jackson | Electromagnetic impulse survey apparatus and method |
| RU2239058C1 (ru) * | 2003-06-04 | 2004-10-27 | Открытое акционерное общество "Татнефть" им. В.Д. Шашина | Способ локализации источников техногенного загрязнения водоносных горизонтов |
| RU2305183C2 (ru) * | 2005-09-14 | 2007-08-27 | Ооо "Битас" | Ретрансляционный модуль для телеметрической системы с электромагнитным каналом связи (варианты) |
| US20090267846A1 (en) * | 2008-04-28 | 2009-10-29 | Johnson Michael P | Electromagnetic Field Power Density Monitoring System and Methods |
| US8023360B2 (en) * | 2008-08-29 | 2011-09-20 | Park Larry A | Seismic activity detector |
| CN107493089A (zh) * | 2017-07-18 | 2017-12-19 | 武汉船舶通信研究所(中国船舶重工集团公司第七二二研究所) | 一种低频透地通信接收电路 |
| US10768213B2 (en) * | 2017-08-30 | 2020-09-08 | United States Of America As Represented By The Administrator Of Nasa | Software-defined radiometer |
| RU2723478C1 (ru) * | 2019-07-16 | 2020-06-11 | Федеральное государственное бюджетное учреждение науки Институт геофизики им. Ю.П. Булашевича Уральского отделения Российской академии наук | Устройство для измерения естественных электромагнитных сигналов в скважине |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2268106A (en) * | 1939-05-13 | 1941-12-30 | Standard Oil Dev Co | Radio wave prospecting |
| US2700753A (en) * | 1948-06-28 | 1955-01-25 | Phillips Petroleum Co | Method of and apparatus for seismic prospecting |
| NL182171C (nl) * | 1952-09-12 | Delta Nederland B V | Collectorzonweringsstelsel. | |
| US2926304A (en) * | 1958-04-21 | 1960-02-23 | Itt | Frequency determining system |
| FR1372406A (fr) * | 1959-12-14 | 1964-09-18 | Csf | Perfectionnements aux détecteurs passifs |
| US3119999A (en) * | 1960-08-18 | 1964-01-28 | Polard Electronics Corp | Pulse echo spectrum analyzer |
| US3737842A (en) * | 1966-03-30 | 1973-06-05 | Us Navy | Feature recognition techniques |
| US3519926A (en) * | 1966-10-31 | 1970-07-07 | Electro Optical Ind Inc | Digital wave analyser having sequentially scanned substantially identical,low pass filters |
| US3836960A (en) * | 1970-03-12 | 1974-09-17 | Gen Dynamics Corp | Sensor system |
| US4010413A (en) * | 1971-08-23 | 1977-03-01 | Geo-Nav, Inc. | Plural frequency geological exploration system and method with phase comparison |
-
1976
- 1976-10-15 FR FR7631009A patent/FR2368048A1/fr active Granted
-
1977
- 1977-10-07 US US05/840,385 patent/US4198596A/en not_active Expired - Lifetime
- 1977-10-10 IE IE2070/77A patent/IE45794B1/en unknown
- 1977-10-13 OA OA56297A patent/OA05783A/fr unknown
- 1977-10-13 AU AU29668/77A patent/AU507870B2/en not_active Expired
- 1977-10-14 CA CA288,761A patent/CA1106448A/fr not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2462720A1 (fr) * | 1979-07-31 | 1981-02-13 | Rech Geolog Miniere | Dispositif emetteur recepteur multifrequenciel pour appareil de prospection electromagnetique |
| EP0326638A1 (fr) * | 1988-02-05 | 1989-08-09 | Elizabeth A. Rauscher | Dispositif non supraconducteur pour détecter des champs magnétiques et électromagnétiques |
Also Published As
| Publication number | Publication date |
|---|---|
| IE45794L (en) | 1978-04-15 |
| OA05783A (fr) | 1981-05-31 |
| CA1106448A (fr) | 1981-08-04 |
| IE45794B1 (en) | 1982-12-01 |
| AU507870B2 (en) | 1980-02-28 |
| FR2368048B1 (fr) | 1982-06-18 |
| US4198596A (en) | 1980-04-15 |
| AU2966877A (en) | 1979-05-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |