NO771333L - Apparat for lokalisering av et metall-objekt - Google Patents
Apparat for lokalisering av et metall-objektInfo
- Publication number
- NO771333L NO771333L NO771333A NO771333A NO771333L NO 771333 L NO771333 L NO 771333L NO 771333 A NO771333 A NO 771333A NO 771333 A NO771333 A NO 771333A NO 771333 L NO771333 L NO 771333L
- Authority
- NO
- Norway
- Prior art keywords
- locating
- metal object
- metal
- Prior art date
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
- G01V3/10—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 using induction coils
- G01V3/104—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 using induction coils using several coupled or uncoupled coils
- G01V3/108—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 using induction coils using several coupled or uncoupled coils the emitter and the receiver coils or loops being uncoupled by positioning them perpendicularly to each other
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)
- Geophysics And Detection Of Objects (AREA)
- Manipulator (AREA)
- Chain Conveyers (AREA)
- Control And Safety Of Cranes (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7615679A FR2353068A1 (fr) | 1976-05-24 | 1976-05-24 | Appareil de reperage d'un objet metallique allonge |
Publications (3)
Publication Number | Publication Date |
---|---|
NO771333L true NO771333L (no) | 1977-11-25 |
NO146218B NO146218B (no) | 1982-05-10 |
NO146218C NO146218C (no) | 1982-08-18 |
Family
ID=9173561
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO771333A NO146218C (no) | 1976-05-24 | 1977-04-18 | Apparat for lokalisering av et metall-objekt |
Country Status (5)
Country | Link |
---|---|
US (1) | US4091322A (no) |
FR (1) | FR2353068A1 (no) |
GB (1) | GB1585580A (no) |
NL (1) | NL179418C (no) |
NO (1) | NO146218C (no) |
Families Citing this family (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4220913A (en) * | 1978-05-23 | 1980-09-02 | Electrolocation Limited | Apparatus for and methods of electromagnetic surveying of elongated underground conductors |
JPS5829875B2 (ja) * | 1978-09-04 | 1983-06-25 | ケイディディ株式会社 | ケ−ブル探索方式 |
GB2041531B (en) * | 1979-01-29 | 1983-09-14 | British Gas Corp | Detecting inaccessible objects |
US4520317A (en) * | 1980-07-31 | 1985-05-28 | Metrotech, Inc. | Apparatus including a pair of automatic gain controlled amplifiers for determining the lateral direction to a concealed conductive object |
US4387340A (en) * | 1980-07-31 | 1983-06-07 | Metrotech, Inc. | Apparatus for determining the distance to a concealed conductive object which is radiating an alternating current signal |
US4390836A (en) * | 1980-08-11 | 1983-06-28 | Marathon Oil Company | Method and apparatus for the detection of pipeline holidays |
US4639674A (en) * | 1983-04-11 | 1987-01-27 | Schonstedt Instrument Company | Apparatus and method employing extraneous field compensation for locating current-carrying objects |
US4857852A (en) * | 1986-06-20 | 1989-08-15 | Schlumberger Technology Corp. | Induction well logging apparatus with transformer coupled phase sensitive detector |
FI863487A (fi) * | 1986-08-27 | 1988-02-28 | Matti Viikari | Pao elektromagnetisk induktion baserande foerfarande och anordning foer kontroll av skicktet av elektrisk isolering hos ledningar i ett ledande medium. |
US4818944A (en) * | 1987-05-06 | 1989-04-04 | Schonstedt Instrument Company | Magnetic locating and tracing system and method using dual-antenna transmitter to distinguish between concealed adjacent objects |
US4959636A (en) * | 1987-12-17 | 1990-09-25 | Detection Systems Pty. Ltd. | Search head for metal detectors |
GB2241333A (en) * | 1990-02-26 | 1991-08-28 | Inzh Tsv N Isseledovatelskogo | Detector of metalliferous objects |
GB2241332A (en) * | 1990-02-26 | 1991-08-28 | Inzh Tsv N Isseledovatelskogo | Metalliferous objects detector |
GB2255184B (en) * | 1991-04-22 | 1995-08-16 | Tokyo Gas Co Ltd | Flaw detector for metal material |
US5172055A (en) * | 1991-10-17 | 1992-12-15 | Grumman Aerospace Corporation | Hidden metal edge mapper utilizing eddy current analyzer and spring biased marker |
AT397312B (de) * | 1992-07-27 | 1994-03-25 | Maron Josef Ing | Detektor |
US5471143A (en) * | 1993-01-29 | 1995-11-28 | Minnesota Mining And Manufacturing Co. | Apparatus for locating buried conductors using phase-shifted signals |
US5430379A (en) * | 1993-08-27 | 1995-07-04 | Minnesota Mining And Manufacturing Company | Conductor locator adapter for electronic markers |
DE4336561C2 (de) * | 1993-10-27 | 1996-07-18 | Maron Josef | Metalldetektor |
RU2148842C1 (ru) * | 1997-11-06 | 2000-05-10 | Леонид Абрамович Лозовский | Способ радиолокационного зондирования и устройство "дифференциальный радар" для его осуществления |
US6140819A (en) * | 1998-05-26 | 2000-10-31 | Heath Consultants, Inc. | Continuous-depth-indicating underground pipe and cable locator |
AUPP813499A0 (en) * | 1999-01-13 | 1999-02-04 | Rock Solid Research Pty. Ltd. | A subsurface pipeline inspection probe |
EP1092988B1 (en) * | 1999-10-13 | 2007-04-11 | HILTI Aktiengesellschaft | Inductive sensor arrangement and method for detecting ferrous objects |
US6356082B1 (en) | 2000-05-26 | 2002-03-12 | Schonstedt Instruments Co. | Utility locator radio link |
US7466134B2 (en) * | 2006-08-04 | 2008-12-16 | Gas Technology Institute | Method and apparatus for locating underground cast iron pipe joints |
US8358134B1 (en) | 2008-10-24 | 2013-01-22 | Pure Technologies Ltd. | Marker for pipeline apparatus and method |
US8378667B2 (en) * | 2009-05-22 | 2013-02-19 | Tdw Delaware Inc. | System and method for detecting the passage of an object in pipeline including shielded magnetometer and a microcontroller with adaptive thresholding detection means |
GB2481482B (en) * | 2011-04-27 | 2012-06-20 | Univ Manchester | Improvements in sensors |
JP6273095B2 (ja) * | 2013-03-29 | 2018-01-31 | 大阪瓦斯株式会社 | 埋設管探知装置の受信器 |
US9684090B1 (en) * | 2013-12-23 | 2017-06-20 | SeeScan, Inc. | Nulled-signal utility locating devices, systems, and methods |
KR20150083593A (ko) * | 2014-01-10 | 2015-07-20 | 한국전자통신연구원 | 매설관 위치 검출 장치 및 그 방법 |
US10094947B2 (en) * | 2015-10-07 | 2018-10-09 | Metrotech Corporation | System and method for locating underground lines using antenna and positioning information |
DE102017210672A1 (de) * | 2017-06-23 | 2018-12-27 | Heinrich Hirdes Gmbh | Verfahren zur Messung einer Überdeckung einer Leitung und Vorrichtung |
CN108227016B (zh) * | 2017-12-29 | 2019-05-17 | 清华大学 | 面向埋地日遗化武的专用磁通门探测器 |
CN111221046B (zh) * | 2020-01-21 | 2021-01-22 | 清华大学 | 管道内检测器三维跟踪方法和装置 |
CN113671591B (zh) * | 2021-06-29 | 2025-02-14 | 佛山市高明能源有限公司 | 一种管道溯源排查用高精度管线探测仪 |
CN114740535B (zh) * | 2022-04-13 | 2023-10-24 | 江苏省工程勘测研究院有限责任公司 | 一种地下管线探测装置及方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR960966A (no) * | 1950-04-28 | |||
US3052837A (en) * | 1958-12-24 | 1962-09-04 | Shell Oil Co | Pipe finder |
US3271664A (en) * | 1961-12-04 | 1966-09-06 | Magnaflux Corp | Combined leakage field and eddy current detection system |
US3338059A (en) * | 1963-01-07 | 1967-08-29 | Brown & Root | Methods and apparatus for entrenching submerged elongate structures |
US3418572A (en) * | 1966-02-11 | 1968-12-24 | Thomas G. Humphreys Jr. | Apparatus including variable frequency indicating means for locating and tracing conductive structures |
SU504988A1 (ru) * | 1973-11-28 | 1976-02-28 | Новочеркасский ордена Трудового Красного Знамени политехнический институт им. Серго Орджоникидзе | "Датчик электромагнитного пол подземного силового кабел |
US3907136A (en) * | 1973-12-26 | 1975-09-23 | Lee S Christides | System for preventing digging machine from damaging underground conduits |
-
1976
- 1976-05-24 FR FR7615679A patent/FR2353068A1/fr active Granted
-
1977
- 1977-04-18 NO NO771333A patent/NO146218C/no unknown
- 1977-04-29 NL NLAANVRAGE7704728,A patent/NL179418C/xx not_active IP Right Cessation
- 1977-05-02 US US05/792,659 patent/US4091322A/en not_active Expired - Lifetime
- 1977-05-02 GB GB18321/77A patent/GB1585580A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2353068A1 (fr) | 1977-12-23 |
US4091322A (en) | 1978-05-23 |
NO146218C (no) | 1982-08-18 |
NL179418B (nl) | 1986-04-01 |
NL7704728A (nl) | 1977-11-28 |
GB1585580A (en) | 1981-03-04 |
FR2353068B1 (no) | 1980-10-03 |
NL179418C (nl) | 1986-09-01 |
NO146218B (no) | 1982-05-10 |
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