AU2825299A - Metal detector - Google Patents
Metal detectorInfo
- Publication number
- AU2825299A AU2825299A AU28252/99A AU2825299A AU2825299A AU 2825299 A AU2825299 A AU 2825299A AU 28252/99 A AU28252/99 A AU 28252/99A AU 2825299 A AU2825299 A AU 2825299A AU 2825299 A AU2825299 A AU 2825299A
- Authority
- AU
- Australia
- Prior art keywords
- metal detector
- detector
- metal
- Prior art date
- 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.)
- Abandoned
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
- G01V3/101—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 by measuring the impedance of the search coil; by measuring features of a resonant circuit comprising the search coil
- G01V3/102—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 by measuring the impedance of the search coil; by measuring features of a resonant circuit comprising the search coil by measuring amplitude
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 (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1998103957 DE19803957C1 (en) | 1998-02-03 | 1998-02-03 | Metal detector and method for detecting a metallic object |
DE19803957 | 1998-02-03 | ||
PCT/DE1999/000261 WO1999040456A1 (en) | 1998-02-03 | 1999-01-28 | Metal detector |
Publications (1)
Publication Number | Publication Date |
---|---|
AU2825299A true AU2825299A (en) | 1999-08-23 |
Family
ID=7856360
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU28252/99A Abandoned AU2825299A (en) | 1998-02-03 | 1999-01-28 | Metal detector |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU2825299A (en) |
DE (1) | DE19803957C1 (en) |
WO (1) | WO1999040456A1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SG82655A1 (en) * | 1999-11-12 | 2001-08-21 | Aida Eng Ltd | Metal object detecting device |
GB0000566D0 (en) * | 2000-01-12 | 2000-03-01 | Willett Int Ltd | Apparatus and method |
DE10157770C1 (en) * | 2001-11-27 | 2002-11-07 | Mustafa Uzman | Metal detector with increased operating efficiency due to provision of a voltage tap between the driving oscillator circuit and the transmitter coil so that magnetic field strength can be optimized |
DE10261258B4 (en) * | 2002-12-27 | 2007-04-05 | Klaus Ebinger | Method for detecting metal objects and metal detector |
DE10332395A1 (en) * | 2003-07-17 | 2005-02-24 | Maschinenfabrik Bernard Krone Gmbh | harvester |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2157824A1 (en) * | 1971-11-22 | 1973-05-30 | Harro Dipl Ing Mueller | DEVICE FOR DETECTION OF MOVING METAL PARTS |
US3896371A (en) * | 1973-12-17 | 1975-07-22 | Allen W Hametta | Metal detector with a resonating circuit being driven by a frequency higher than its natural resonance frequency |
US4323847A (en) * | 1979-06-11 | 1982-04-06 | Triple Dee Electronics Inc. | Oscillator type metal detector with switch controlled fixed biasing |
US4359686A (en) * | 1980-06-30 | 1982-11-16 | Kenneth Wherry | Metal detection apparatus with basket |
US4638262A (en) * | 1984-03-09 | 1987-01-20 | Omron Tateisi Electronics Co. | Proximity switch with improved response time and antimagnetic field circuitry |
DE3538228A1 (en) * | 1985-10-24 | 1987-06-04 | Klaus Ebinger | METHOD FOR SEARCHING AND LOCATING INHOMOGENITIES, AND CIRCUIT ARRANGEMENT FOR CARRYING OUT THIS METHOD |
DE29510304U1 (en) * | 1995-06-24 | 1995-09-07 | Institut Dr. Friedrich Förster Prüfgerätebau GmbH & Co. KG, 72766 Reutlingen | Support and guide handle for search devices or the like. |
DE19648120A1 (en) * | 1996-03-26 | 1997-10-02 | Vallon Gmbh | Underground object locating method |
DE19626363A1 (en) * | 1996-07-01 | 1998-01-08 | Klaus Ebinger | Metal detector and method for operating a metal detector |
-
1998
- 1998-02-03 DE DE1998103957 patent/DE19803957C1/en not_active Expired - Fee Related
-
1999
- 1999-01-28 AU AU28252/99A patent/AU2825299A/en not_active Abandoned
- 1999-01-28 WO PCT/DE1999/000261 patent/WO1999040456A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
WO1999040456A1 (en) | 1999-08-12 |
DE19803957C1 (en) | 1999-10-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MK6 | Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase |