SE383210B - Anordning for fjerrdetektering av ledande kroppar. - Google Patents
Anordning for fjerrdetektering av ledande kroppar.Info
- Publication number
- SE383210B SE383210B SE7202122A SE212272A SE383210B SE 383210 B SE383210 B SE 383210B SE 7202122 A SE7202122 A SE 7202122A SE 212272 A SE212272 A SE 212272A SE 383210 B SE383210 B SE 383210B
- Authority
- SE
- Sweden
- Prior art keywords
- remote detection
- leading bodies
- bodies
- leading
- remote
- 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
- G01V3/105—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 forming directly coupled primary and secondary coils or loops
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Life Sciences & Earth Sciences (AREA)
- Electromagnetism (AREA)
- Environmental & Geological Engineering (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
- Geophysics And Detection Of Objects (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11744471A | 1971-02-22 | 1971-02-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
SE383210B true SE383210B (sv) | 1976-03-01 |
Family
ID=22372985
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7202122A SE383210B (sv) | 1971-02-22 | 1972-02-22 | Anordning for fjerrdetektering av ledande kroppar. |
Country Status (8)
Country | Link |
---|---|
US (1) | US3737768A (sv) |
JP (1) | JPS4731652A (sv) |
AU (1) | AU469518B2 (sv) |
CA (1) | CA941015A (sv) |
DE (1) | DE2207919A1 (sv) |
FR (1) | FR2126248B1 (sv) |
GB (1) | GB1328603A (sv) |
SE (1) | SE383210B (sv) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3735360A (en) * | 1971-08-25 | 1973-05-22 | Ibm | High speed buffer operation in a multi-processing system |
US3848234A (en) * | 1973-04-04 | 1974-11-12 | Sperry Rand Corp | Multi-processor system with multiple cache memories |
US3846790A (en) * | 1973-06-08 | 1974-11-05 | Honeywell Inc | Intrusion detection systems |
US3967282A (en) * | 1974-01-30 | 1976-06-29 | The Ohio State University | Underground pipe detector |
JPS5441291B2 (sv) * | 1974-09-24 | 1979-12-07 | ||
US4041372A (en) * | 1975-09-08 | 1977-08-09 | Continental Oil Company | Apparatus for multi-channel induced polarization surveying |
US4249128A (en) * | 1978-02-06 | 1981-02-03 | White's Electronics, Inc. | Wide pulse gated metal detector with improved noise rejection |
US4228503A (en) * | 1978-10-02 | 1980-10-14 | Sperry Corporation | Multiplexed directory for dedicated cache memory system |
US4334192A (en) * | 1979-01-29 | 1982-06-08 | Garrett Electronics | Metal detector circuit having automatic tuning with multiple rates |
US4303879A (en) * | 1979-01-29 | 1981-12-01 | Garrett Electronics | Metal detector circuit with mode selection and automatic tuning |
MA18895A1 (fr) * | 1979-07-09 | 1981-04-01 | Cie Generale De Geophysique Sa | Procede et dispositif de prospection geophysique a courants transitoires |
HU184962B (en) * | 1981-08-03 | 1984-11-28 | Karoly Duelk | Loop-sensor of eddy current |
US4467283A (en) * | 1981-09-23 | 1984-08-21 | Geo-Optics, Ltd. | Electrical geophysical exploration system with addressable current probes |
CA1133058A (en) * | 1982-02-18 | 1982-10-05 | Geonics Limited | Electromagnetic geophysical surveying system |
DE3208383A1 (de) * | 1982-03-09 | 1983-09-15 | Schützeichel, Johannes, 5466 Neustadt | Verfahren und einrichtung zur bestimmung der lage und des verlaufs von spanngliedern in spannbeton-bauwerken |
GB8407008D0 (en) * | 1984-03-17 | 1984-04-18 | Parkway Instr Co Operative Ltd | Metal detecting device |
EP0274450A3 (en) * | 1987-01-09 | 1989-08-02 | Kolectric Limited | A device for measuring the proximity of a metal object |
JPS6476345A (en) * | 1987-09-18 | 1989-03-22 | Fujitsu Ltd | Disk cache control system |
US4906928A (en) * | 1988-12-29 | 1990-03-06 | Atlantic Richfield Company | Transient electromagnetic apparatus with receiver having digitally controlled gain ranging amplifier for detecting irregularities on conductive containers |
JPH05505672A (ja) * | 1990-03-21 | 1993-08-19 | ベルクヴェルクスフェルバント・ゲー・エム・ベー・ハー | 電磁測定値の過渡信号によって地下を探査する探査装置 |
FR2720840B1 (fr) * | 1994-06-02 | 1996-09-20 | Olivier Bardot | Procédé d'émission d'un champ électromagnétique et de grande portée, procédé de transmission et de localisation mettant en Óoeuvre ledit procédé d'émission, dispositifs mettant en Óoeuvre lesdits procédés. |
AUPP813499A0 (en) * | 1999-01-13 | 1999-02-04 | Rock Solid Research Pty. Ltd. | A subsurface pipeline inspection probe |
US20140012505A1 (en) * | 2011-03-31 | 2014-01-09 | Laurentian University Of Sudbury | Multi-component electromagnetic prospecting apparatus and method of use thereof |
US8836335B2 (en) * | 2012-06-13 | 2014-09-16 | Baker Hughes Incorporated | Multi-capacitor system for electromagnetic logging tool |
AU2013330185B2 (en) | 2012-10-12 | 2018-01-18 | Cgg Data Services Ag | Electromagnetic system utilizing multiple pulse transmitter waveforms |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US25908A (en) * | 1859-10-25 | Improvement in windmills | ||
US3256492A (en) * | 1966-06-14 | Apparatus for sequentially amplifying a plurality of input potentials | ||
NL250643A (sv) * | 1959-04-17 | |||
NL259573A (sv) * | 1960-01-06 | |||
US3278846A (en) * | 1962-05-03 | 1966-10-11 | Edgerton Germeshausen & Grier | Apparatus for sampling electric waves |
US3538430A (en) * | 1967-05-18 | 1970-11-03 | Jury Ivanovich Bulgakov | Device for detecting ore bodies by measuring unstable electromagnetic fields excited by magnetic field pulses |
-
1966
- 1966-02-22 JP JP1777366A patent/JPS4731652A/ja active Pending
-
1971
- 1971-02-22 US US00117444A patent/US3737768A/en not_active Expired - Lifetime
-
1972
- 1972-02-14 CA CA134,885A patent/CA941015A/en not_active Expired
- 1972-02-17 GB GB748072A patent/GB1328603A/en not_active Expired
- 1972-02-17 AU AU39095/72A patent/AU469518B2/en not_active Expired
- 1972-02-19 DE DE19722207919 patent/DE2207919A1/de active Pending
- 1972-02-21 FR FR7205762A patent/FR2126248B1/fr not_active Expired
- 1972-02-22 SE SE7202122A patent/SE383210B/sv unknown
Also Published As
Publication number | Publication date |
---|---|
AU469518B2 (en) | 1976-02-19 |
US3737768A (en) | 1973-06-05 |
GB1328603A (en) | 1973-08-30 |
CA941015A (en) | 1974-01-29 |
FR2126248B1 (sv) | 1977-09-02 |
AU3909572A (en) | 1973-08-23 |
JPS4731652A (sv) | 1972-11-13 |
FR2126248A1 (sv) | 1972-10-06 |
DE2207919A1 (de) | 1972-10-05 |
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