CS239075B1 - Metallic admixtures indication device in material - Google Patents
Metallic admixtures indication device in material Download PDFInfo
- Publication number
- CS239075B1 CS239075B1 CS842729A CS272984A CS239075B1 CS 239075 B1 CS239075 B1 CS 239075B1 CS 842729 A CS842729 A CS 842729A CS 272984 A CS272984 A CS 272984A CS 239075 B1 CS239075 B1 CS 239075B1
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- detection
- coil
- amplifier
- secondary coils
- coils
- Prior art date
Links
- 239000000463 material Substances 0.000 title claims abstract description 20
- 230000005284 excitation Effects 0.000 claims abstract description 9
- 238000001514 detection method Methods 0.000 claims description 26
- 230000005291 magnetic effect Effects 0.000 claims description 8
- 239000012535 impurity Substances 0.000 claims description 5
- 230000000052 comparative effect Effects 0.000 claims description 3
- 239000006185 dispersion Substances 0.000 claims description 2
- 239000002184 metal Substances 0.000 abstract description 6
- 239000004020 conductor Substances 0.000 description 5
- 230000005294 ferromagnetic effect Effects 0.000 description 5
- 230000015556 catabolic process Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 238000003306 harvesting Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003302 ferromagnetic material Substances 0.000 description 1
- 239000004459 forage Substances 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000010902 straw Substances 0.000 description 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
- 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)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
- Geophysics And Detection Of Objects (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS842729A CS239075B1 (en) | 1984-04-10 | 1984-04-10 | Metallic admixtures indication device in material |
| PL25257585A PL252575A2 (en) | 1984-04-10 | 1985-03-26 | Apparatus for revealing presence of metallic inclusions in non-metallic material |
| DE19853511355 DE3511355A1 (de) | 1984-04-10 | 1985-03-28 | Vorrichtung zum erfassen von metallkoerpern |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS842729A CS239075B1 (en) | 1984-04-10 | 1984-04-10 | Metallic admixtures indication device in material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CS272984A1 CS272984A1 (en) | 1985-05-15 |
| CS239075B1 true CS239075B1 (en) | 1985-12-16 |
Family
ID=5365207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS842729A CS239075B1 (en) | 1984-04-10 | 1984-04-10 | Metallic admixtures indication device in material |
Country Status (3)
| Country | Link |
|---|---|
| CS (1) | CS239075B1 (enrdf_load_stackoverflow) |
| DE (1) | DE3511355A1 (enrdf_load_stackoverflow) |
| PL (1) | PL252575A2 (enrdf_load_stackoverflow) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4883264A (en) * | 1987-11-02 | 1989-11-28 | Laurel Bank Machines Co., Ltd. | Bill disbursing system |
| DE3903561A1 (de) * | 1989-02-07 | 1990-08-09 | Foerster Inst Dr Friedrich | Verfahren und schaelmaschine zum schaelen eines holzstammes |
| DE9107798U1 (de) * | 1991-06-25 | 1991-10-10 | Steinbeck, Ulrich, Dr.med., 2000 Hamburg | Metallortungsgerät zur Lokalisierung eines in einen menschlichen oder tierischen Körper eingedrungenen oder implantierten metallischen Fremdkörpers |
| DE4140812A1 (de) * | 1991-12-11 | 1993-06-17 | Claas Saulgau Gmbh | Vorrichtung zum erkennen von ferromagnetischen fremdkoerpern, insbesondere bei erntemaschinen |
| DE4211545C1 (enrdf_load_stackoverflow) * | 1992-04-06 | 1993-08-05 | Hans-Juergen 7400 Tuebingen De Maier | |
| US5504428A (en) * | 1994-09-16 | 1996-04-02 | Deere & Company | Magnetic metal detector mounted in a feed roll of a harvisting machine |
| DE19620526A1 (de) * | 1996-05-22 | 1997-11-27 | Burkhard Weis | Metalldetektor zum Erkennen von Metall im Erntegutfluß |
| DE10011230C9 (de) * | 2000-03-08 | 2006-05-04 | Mesutronic Gerätebau GmbH | Auswerteeinrichtung für ein Metallsuchgerät |
| US11696529B2 (en) | 2019-10-14 | 2023-07-11 | Deere & Company | Radio frequency grain mass and constituent measurement systems for combine harvesters |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3757501A (en) * | 1971-10-29 | 1973-09-11 | Sperry Rand Corp | Static magnetic field metal detector |
| DE7340671U (de) * | 1972-11-20 | 1974-12-19 | Bbc Ag | Näherungsdetektor |
-
1984
- 1984-04-10 CS CS842729A patent/CS239075B1/cs unknown
-
1985
- 1985-03-26 PL PL25257585A patent/PL252575A2/xx unknown
- 1985-03-28 DE DE19853511355 patent/DE3511355A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| CS272984A1 (en) | 1985-05-15 |
| DE3511355A1 (de) | 1985-10-17 |
| DE3511355C2 (enrdf_load_stackoverflow) | 1989-01-05 |
| PL252575A2 (en) | 1985-11-05 |
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