DK164610C - PROCEDURE FOR DETECTING AN UNDERGROUND, METALLIC LEADER AND CONNECTOR CIRCUIT FOR USING THE PROCEDURE - Google Patents
PROCEDURE FOR DETECTING AN UNDERGROUND, METALLIC LEADER AND CONNECTOR CIRCUIT FOR USING THE PROCEDUREInfo
- Publication number
- DK164610C DK164610C DK186890A DK186890A DK164610C DK 164610 C DK164610 C DK 164610C DK 186890 A DK186890 A DK 186890A DK 186890 A DK186890 A DK 186890A DK 164610 C DK164610 C DK 164610C
- Authority
- DK
- Denmark
- Prior art keywords
- procedure
- underground
- detecting
- connector circuit
- leader
- 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
- G01V3/02—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)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DK186890A DK164610C (en) | 1990-08-06 | 1990-08-06 | PROCEDURE FOR DETECTING AN UNDERGROUND, METALLIC LEADER AND CONNECTOR CIRCUIT FOR USING THE PROCEDURE |
PCT/DK1991/000210 WO1992002834A1 (en) | 1990-08-06 | 1991-07-17 | Procedure for locating an underground conductor and a coupling circuit for carrying out this procedure |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DK186890 | 1990-08-06 | ||
DK186890A DK164610C (en) | 1990-08-06 | 1990-08-06 | PROCEDURE FOR DETECTING AN UNDERGROUND, METALLIC LEADER AND CONNECTOR CIRCUIT FOR USING THE PROCEDURE |
Publications (4)
Publication Number | Publication Date |
---|---|
DK186890D0 DK186890D0 (en) | 1990-08-06 |
DK186890A DK186890A (en) | 1992-02-07 |
DK164610B DK164610B (en) | 1992-07-20 |
DK164610C true DK164610C (en) | 1992-12-14 |
Family
ID=8108657
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK186890A DK164610C (en) | 1990-08-06 | 1990-08-06 | PROCEDURE FOR DETECTING AN UNDERGROUND, METALLIC LEADER AND CONNECTOR CIRCUIT FOR USING THE PROCEDURE |
Country Status (2)
Country | Link |
---|---|
DK (1) | DK164610C (en) |
WO (1) | WO1992002834A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1993021544A1 (en) * | 1992-04-10 | 1993-10-28 | Willy Palle Pedersen | A marker system with markers of the electromagnetical type, and a marker and a detector therefor |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS499388B1 (en) * | 1968-05-25 | 1974-03-04 | ||
CH517416A (en) * | 1971-04-21 | 1971-12-31 | Autophon Ag | Pocket call receiver |
US4119908A (en) * | 1975-11-28 | 1978-10-10 | A. P. C. Industries, Inc. | Method for locating buried markers which are disposed along the path of an underground conductor |
US4044299A (en) * | 1975-12-22 | 1977-08-23 | Harold James Weber | Concealed structure locating and surveying translator apparatus |
JPS56111326A (en) * | 1980-02-08 | 1981-09-03 | Hitachi Ltd | Antenna circuit of am radio receiver |
DE3151523A1 (en) * | 1981-12-24 | 1983-07-07 | Howaldtswerke-Deutsche Werft Ag Hamburg Und Kiel, 2300 Kiel | Device for locating routing guideways |
GB8400638D0 (en) * | 1984-01-11 | 1984-02-15 | Dynalog Electronics Ltd | Electromagnetic monitoring of marine pipes |
GB8425761D0 (en) * | 1984-10-11 | 1984-11-14 | Raychem Sa Nv | Remote measurement of conditions |
-
1990
- 1990-08-06 DK DK186890A patent/DK164610C/en not_active IP Right Cessation
-
1991
- 1991-07-17 WO PCT/DK1991/000210 patent/WO1992002834A1/en unknown
Also Published As
Publication number | Publication date |
---|---|
DK186890A (en) | 1992-02-07 |
DK186890D0 (en) | 1990-08-06 |
WO1992002834A1 (en) | 1992-02-20 |
DK164610B (en) | 1992-07-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PBP | Patent lapsed |