IT8248333A0 - Dispositivo per la rivelazione elettromagnetica di oggetti metallici - Google Patents
Dispositivo per la rivelazione elettromagnetica di oggetti metalliciInfo
- Publication number
- IT8248333A0 IT8248333A0 IT8248333A IT4833382A IT8248333A0 IT 8248333 A0 IT8248333 A0 IT 8248333A0 IT 8248333 A IT8248333 A IT 8248333A IT 4833382 A IT4833382 A IT 4833382A IT 8248333 A0 IT8248333 A0 IT 8248333A0
- Authority
- IT
- Italy
- Prior art keywords
- metallic objects
- electromagnetic detection
- electromagnetic
- detection
- metallic
- Prior art date
Links
- 238000001514 detection method Methods 0.000 title 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
- G01V3/08—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
- 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)
- Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
- Control And Other Processes For Unpacking Of Materials (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8102827A SE426269B (sv) | 1981-05-06 | 1981-05-06 | Anordning vid detektering av metallforemal |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8248333A0 true IT8248333A0 (it) | 1982-05-05 |
IT1147941B IT1147941B (it) | 1986-11-26 |
Family
ID=20343740
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT48333/82A IT1147941B (it) | 1981-05-06 | 1982-05-05 | Dispositivo per la rivelazione elettromagnetica di oggetti metallici |
Country Status (11)
Country | Link |
---|---|
JP (1) | JPS57192887A (it) |
BE (1) | BE893088A (it) |
CA (1) | CA1198165A (it) |
CH (1) | CH656231A5 (it) |
DE (1) | DE3217033A1 (it) |
FR (1) | FR2505508B1 (it) |
GB (1) | GB2097933B (it) |
IT (1) | IT1147941B (it) |
NL (1) | NL8201811A (it) |
NO (1) | NO821485L (it) |
SE (1) | SE426269B (it) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59141001A (ja) * | 1983-02-01 | 1984-08-13 | Mitsubishi Electric Corp | 金属管の有効端末位置検出方法 |
SE9203256L (sv) * | 1992-11-04 | 1994-01-10 | Bofors Ab | Magnetiskt zonrör |
US5426363A (en) * | 1993-04-26 | 1995-06-20 | Kabushiki Kaisha Honda Denshi Giken | Object detecting device |
EP2291685A1 (en) * | 2008-06-27 | 2011-03-09 | Minelab Electronics PTY LTD | Constant current metal detector with driven transmit coil |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB835128A (en) * | 1955-09-17 | 1960-05-18 | Asea Ab | Apparatus for examining a substance utilising the effect of the substance on the q factor of a resonant circuit |
DE2052989C3 (de) * | 1970-10-30 | 1973-11-08 | Guenther Dipl.-Ing. 2209 Sushoern Weber | Durch einen oder mehrere sich be wegende Gegenstande auslosbares Schalt gerat |
GB1448877A (en) * | 1973-09-04 | 1976-09-08 | Weber G | Electronic switching device for sensing a body and for converting such sensing into an electrical signal |
GB1561641A (en) * | 1976-08-05 | 1980-02-27 | Redland Automation Ltd | Presence detector apparatus |
LU75628A1 (it) * | 1976-08-19 | 1978-04-13 | ||
DE2722511A1 (de) * | 1977-05-18 | 1978-11-30 | Voll Walter | Metallsuchgeraet |
DE2722498C3 (de) * | 1977-05-18 | 1982-02-04 | Walter Ing.(Grad.) 8728 Hassfurt Voll | Einrichtung an einem Kraftfahrzeug zur Anzeige eines Mindestabstandes |
-
1981
- 1981-05-06 SE SE8102827A patent/SE426269B/sv not_active IP Right Cessation
-
1982
- 1982-04-22 GB GB8211642A patent/GB2097933B/en not_active Expired
- 1982-05-03 NL NL8201811A patent/NL8201811A/nl not_active Application Discontinuation
- 1982-05-04 JP JP57075053A patent/JPS57192887A/ja active Pending
- 1982-05-05 FR FR8207818A patent/FR2505508B1/fr not_active Expired
- 1982-05-05 IT IT48333/82A patent/IT1147941B/it active
- 1982-05-05 CA CA000402340A patent/CA1198165A/en not_active Expired
- 1982-05-05 CH CH2774/82A patent/CH656231A5/de not_active IP Right Cessation
- 1982-05-05 NO NO821485A patent/NO821485L/no unknown
- 1982-05-06 BE BE0/208015A patent/BE893088A/fr not_active IP Right Cessation
- 1982-05-06 DE DE19823217033 patent/DE3217033A1/de active Granted
Also Published As
Publication number | Publication date |
---|---|
DE3217033A1 (de) | 1982-11-25 |
GB2097933B (en) | 1985-05-15 |
FR2505508A1 (fr) | 1982-11-12 |
CH656231A5 (de) | 1986-06-13 |
SE8102827L (sv) | 1982-11-07 |
SE426269B (sv) | 1982-12-20 |
NL8201811A (nl) | 1982-12-01 |
DE3217033C2 (it) | 1991-01-03 |
FR2505508B1 (fr) | 1985-11-29 |
NO821485L (no) | 1982-11-08 |
GB2097933A (en) | 1982-11-10 |
BE893088A (fr) | 1982-08-30 |
IT1147941B (it) | 1986-11-26 |
CA1198165A (en) | 1985-12-17 |
JPS57192887A (en) | 1982-11-27 |
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