IT1147941B - Dispositivo per la rivelazione elettromagnetica di oggetti metallici - Google Patents
Dispositivo per la rivelazione elettromagnetica di oggetti metalliciInfo
- Publication number
- IT1147941B IT1147941B IT48333/82A IT4833382A IT1147941B IT 1147941 B IT1147941 B IT 1147941B IT 48333/82 A IT48333/82 A IT 48333/82A IT 4833382 A IT4833382 A IT 4833382A IT 1147941 B IT1147941 B IT 1147941B
- Authority
- IT
- Italy
- Prior art keywords
- detection device
- metallic objects
- electromagnetic detection
- electromagnetic
- metallic
- 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
- 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 And Other Processes For Unpacking Of Materials (AREA)
- Control Of Vending Devices And Auxiliary Devices For Vending Devices (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 IT8248333A0 (it) | 1982-05-05 |
IT1147941B true 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 (fr) |
BE (1) | BE893088A (fr) |
CA (1) | CA1198165A (fr) |
CH (1) | CH656231A5 (fr) |
DE (1) | DE3217033A1 (fr) |
FR (1) | FR2505508B1 (fr) |
GB (1) | GB2097933B (fr) |
IT (1) | IT1147941B (fr) |
NL (1) | NL8201811A (fr) |
NO (1) | NO821485L (fr) |
SE (1) | SE426269B (fr) |
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 |
CN102077119A (zh) * | 2008-06-27 | 2011-05-25 | 觅宝电子有限公司 | 带有驱动发射线圈的恒定电流金属探测器 |
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 (fr) * | 1976-08-19 | 1978-04-13 | ||
DE2722498C3 (de) * | 1977-05-18 | 1982-02-04 | Walter Ing.(Grad.) 8728 Hassfurt Voll | Einrichtung an einem Kraftfahrzeug zur Anzeige eines Mindestabstandes |
DE2722511A1 (de) * | 1977-05-18 | 1978-11-30 | Voll Walter | Metallsuchgeraet |
-
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 CA CA000402340A patent/CA1198165A/fr not_active Expired
- 1982-05-05 NO NO821485A patent/NO821485L/no unknown
- 1982-05-05 CH CH2774/82A patent/CH656231A5/de not_active IP Right Cessation
- 1982-05-05 FR FR8207818A patent/FR2505508B1/fr not_active Expired
- 1982-05-05 IT IT48333/82A patent/IT1147941B/it active
- 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 |
---|---|
FR2505508B1 (fr) | 1985-11-29 |
JPS57192887A (en) | 1982-11-27 |
DE3217033A1 (de) | 1982-11-25 |
NL8201811A (nl) | 1982-12-01 |
IT8248333A0 (it) | 1982-05-05 |
FR2505508A1 (fr) | 1982-11-12 |
NO821485L (no) | 1982-11-08 |
SE8102827L (sv) | 1982-11-07 |
BE893088A (fr) | 1982-08-30 |
CA1198165A (fr) | 1985-12-17 |
CH656231A5 (de) | 1986-06-13 |
DE3217033C2 (fr) | 1991-01-03 |
GB2097933B (en) | 1985-05-15 |
SE426269B (sv) | 1982-12-20 |
GB2097933A (en) | 1982-11-10 |
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