FR2471612B1 - - Google Patents
Info
- Publication number
- FR2471612B1 FR2471612B1 FR8026162A FR8026162A FR2471612B1 FR 2471612 B1 FR2471612 B1 FR 2471612B1 FR 8026162 A FR8026162 A FR 8026162A FR 8026162 A FR8026162 A FR 8026162A FR 2471612 B1 FR2471612 B1 FR 2471612B1
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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
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)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI793814A FI62910C (fi) | 1979-12-05 | 1979-12-05 | Anordning foer detektering av magnetiskt ledande metaller i enoerlig materialstroem |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2471612A1 FR2471612A1 (fr) | 1981-06-19 |
FR2471612B1 true FR2471612B1 (fr) | 1984-02-03 |
Family
ID=8513102
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8026162A Granted FR2471612A1 (fr) | 1979-12-05 | 1980-12-05 | Dispositif pour la detection de metaux magnetiquement conducteurs dans un flux de materiaux en deplacement |
Country Status (11)
Country | Link |
---|---|
US (1) | US4906925A (fr) |
JP (2) | JPS5687854A (fr) |
AT (1) | AT372111B (fr) |
BE (1) | BE886519A (fr) |
CA (1) | CA1188736A (fr) |
DE (1) | DE3045945C2 (fr) |
FI (1) | FI62910C (fr) |
FR (1) | FR2471612A1 (fr) |
GB (1) | GB2064781B (fr) |
NL (1) | NL174913C (fr) |
SE (1) | SE448405B (fr) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1991000986A1 (fr) * | 1989-07-10 | 1991-01-24 | Tekelek Pty. Ltd. | Detection d'ecoulements |
GB2249634A (en) * | 1990-11-07 | 1992-05-13 | Gec Ferranti Defence Syst | Security system for a vehicle |
DE4415592A1 (de) * | 1994-04-28 | 1995-11-02 | Whd Warenhandels Und Dienstlei | Verfahren und Anordnung zur Prüfung von Metallfäden, -bändern und -partikeln |
JP3451135B2 (ja) * | 1994-09-09 | 2003-09-29 | 太平洋セメント株式会社 | 金属検出装置の検出ヘッド |
EP0817974B1 (fr) | 1995-03-14 | 2000-11-08 | Profile Technologies, Inc. | Procedes de reflectometrie pour tuyaux isoles |
DE19518229A1 (de) * | 1995-05-12 | 1996-11-14 | Lfp Elektronische Spezialsiche | Prüfvorrichtung in Bearbeitungsmaschinen |
AU1984597A (en) | 1996-02-27 | 1997-09-16 | Profile Technologies, Inc. | Pipe testing apparatus and method |
JP2000512784A (ja) * | 1996-06-19 | 2000-09-26 | フライング・ナル・リミテッド | 磁気感知および読取装置 |
US6084413A (en) | 1998-04-29 | 2000-07-04 | Mohamed; Moustafa Abdel Kader | Method and apparatus for detecting rock movement |
DE19931326B4 (de) * | 1999-06-29 | 2005-08-18 | Köhler, Konstantin, Dr.-Ing. | Verfahren und Vorrichtungen zur Diagnostik des Verbrennungsmotors durch eine Beurteilung der Änderung der Menge von ferromagnetischen Verschleißprodukten im Motoröl |
US20050007121A1 (en) * | 2003-05-06 | 2005-01-13 | Burnett Gale D. | Systems and methods for non-destructively testing conductive members employing electromagnetic back scattering |
US7196529B2 (en) * | 2003-05-06 | 2007-03-27 | Profile Technologies, Inc. | Systems and methods for testing conductive members employing electromagnetic back scattering |
US7642790B2 (en) * | 2003-05-06 | 2010-01-05 | Profile Technologies, Inc. | Systems and methods for testing conductive members employing electromagnetic back scattering |
US20200264298A1 (en) * | 2019-02-19 | 2020-08-20 | Haseltine Eric | Multi-signal weapon detector |
CN110389168B (zh) * | 2019-07-23 | 2022-11-22 | 电子科技大学 | 一种基于磁性探测原理与电感法的发动机金属屑检测方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB573152A (en) * | 1943-05-21 | 1945-11-08 | Alan Marsh Armour | Improvements in or relating to the detection of faults in non-magnetic materials |
US2819447A (en) * | 1956-03-27 | 1958-01-07 | Republic Steel Corp | System for detecting conductive bodies |
GB1270821A (en) * | 1969-03-03 | 1972-04-19 | Loma Engineering Ltd | Ferromagnetic metal detector |
JPS5269358A (en) * | 1975-12-06 | 1977-06-09 | Fuesuko Patorooru Kk | Method of detecting metal applying magnetism |
JPS5420757A (en) * | 1977-07-15 | 1979-02-16 | Shimadzu Corp | Metal detector |
-
1979
- 1979-12-05 FI FI793814A patent/FI62910C/fi not_active IP Right Cessation
-
1980
- 1980-11-14 GB GB8036720A patent/GB2064781B/en not_active Expired
- 1980-11-21 NL NLAANVRAGE8006365,A patent/NL174913C/xx not_active IP Right Cessation
- 1980-12-01 CA CA000365863A patent/CA1188736A/fr not_active Expired
- 1980-12-02 AT AT0588180A patent/AT372111B/de not_active IP Right Cessation
- 1980-12-05 DE DE3045945A patent/DE3045945C2/de not_active Expired
- 1980-12-05 FR FR8026162A patent/FR2471612A1/fr active Granted
- 1980-12-05 BE BE0/203061A patent/BE886519A/fr not_active IP Right Cessation
- 1980-12-05 SE SE8008564A patent/SE448405B/sv not_active IP Right Cessation
- 1980-12-05 JP JP17105680A patent/JPS5687854A/ja active Pending
-
1987
- 1987-06-01 US US07/056,304 patent/US4906925A/en not_active Expired - Fee Related
-
1988
- 1988-06-27 JP JP1988084000U patent/JPH0421113Y2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2471612A1 (fr) | 1981-06-19 |
FI62910B (fi) | 1982-11-30 |
AT372111B (de) | 1983-09-12 |
DE3045945C2 (de) | 1984-04-19 |
US4906925A (en) | 1990-03-06 |
FI793814A (fi) | 1981-06-06 |
JPH0421113Y2 (fr) | 1992-05-14 |
JPS5687854A (en) | 1981-07-16 |
NL8006365A (nl) | 1981-07-01 |
CA1188736A (fr) | 1985-06-11 |
FI62910C (fi) | 1983-03-10 |
ATA588180A (de) | 1983-01-15 |
JPS6419185U (fr) | 1989-01-31 |
BE886519A (fr) | 1981-04-01 |
DE3045945A1 (de) | 1981-09-17 |
SE8008564L (sv) | 1981-06-06 |
SE448405B (sv) | 1987-02-16 |
GB2064781B (en) | 1984-01-25 |
GB2064781A (en) | 1981-06-17 |
NL174913C (nl) | 1984-09-03 |
NL174913B (nl) | 1984-04-02 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |