JPS5960277A - 金属検出装置 - Google Patents
金属検出装置Info
- Publication number
- JPS5960277A JPS5960277A JP57169645A JP16964582A JPS5960277A JP S5960277 A JPS5960277 A JP S5960277A JP 57169645 A JP57169645 A JP 57169645A JP 16964582 A JP16964582 A JP 16964582A JP S5960277 A JPS5960277 A JP S5960277A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- frequency
- ferrous
- waveform
- phase
- 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.)
- Granted
Links
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 37
- 239000002184 metal Substances 0.000 title claims abstract description 37
- 238000001514 detection method Methods 0.000 claims abstract description 39
- 230000001360 synchronised effect Effects 0.000 claims abstract description 33
- 230000006698 induction Effects 0.000 claims description 3
- 230000010363 phase shift Effects 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 23
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 abstract description 20
- 229910052742 iron Inorganic materials 0.000 abstract description 11
- -1 ferrous metals Chemical class 0.000 abstract description 9
- 238000011896 sensitive detection Methods 0.000 abstract 1
- 230000035945 sensitivity Effects 0.000 description 17
- 238000010586 diagram Methods 0.000 description 8
- 150000002739 metals Chemical class 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 235000013580 sausages Nutrition 0.000 description 1
- 238000000926 separation method Methods 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
- G01V3/107—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 using compensating coil or loop arrangements
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 (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57169645A JPS5960277A (ja) | 1982-09-30 | 1982-09-30 | 金属検出装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57169645A JPS5960277A (ja) | 1982-09-30 | 1982-09-30 | 金属検出装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5960277A true JPS5960277A (ja) | 1984-04-06 |
JPS642904B2 JPS642904B2 (enrdf_load_stackoverflow) | 1989-01-19 |
Family
ID=15890315
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP57169645A Granted JPS5960277A (ja) | 1982-09-30 | 1982-09-30 | 金属検出装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5960277A (enrdf_load_stackoverflow) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS629286A (ja) * | 1985-07-05 | 1987-01-17 | Tokyo Gas Co Ltd | 地下埋設物の探知方法及びその装置 |
JPH02191131A (ja) * | 1988-12-29 | 1990-07-27 | Dainippon Printing Co Ltd | 混合包装体 |
JPH03125987A (ja) * | 1989-10-11 | 1991-05-29 | Anritsu Corp | 金属検出機 |
US8278918B2 (en) | 2010-10-07 | 2012-10-02 | Mettler-Toledo Safeline Limited | Method for operating of a metal detection system and metal detection system |
US8314713B2 (en) | 2010-10-07 | 2012-11-20 | Mettler-Toledo Safeline Limited | Method for monitoring the operation of a metal detection system and metal detection system |
US8587301B2 (en) | 2010-10-07 | 2013-11-19 | Mettler-Toledo Safeline Limited | Method for operating a metal detection system and metal detection system |
US9018935B2 (en) | 2011-09-19 | 2015-04-28 | Mettler-Toledo Safeline Limited | Method for operating a metal detection apparatus and apparatus |
CN104950336A (zh) * | 2014-03-25 | 2015-09-30 | 梅特勒-托利多安全线有限公司 | 用于监测金属探测系统的操作的方法以及金属探测系统 |
KR20180085190A (ko) * | 2017-01-18 | 2018-07-26 | 한국전자통신연구원 | 혼합 신호 기반의 단일 여기 코일을 이용한 상자성 물질 검출 방법 및 이를 위한 장치 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3896489B2 (ja) * | 2004-07-16 | 2007-03-22 | 国立大学法人 岡山大学 | 磁気検知装置及び物質判定装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56128593U (enrdf_load_stackoverflow) * | 1980-02-29 | 1981-09-30 | ||
JPS56128593A (en) * | 1980-03-13 | 1981-10-08 | Tokyo Shibaura Electric Co | Disconnected core detector for series firing circuit |
JPS5845548A (ja) * | 1981-09-11 | 1983-03-16 | Nikka Densoku Kk | 導電性物体の検出方法およびこの方法を実施するための装置 |
-
1982
- 1982-09-30 JP JP57169645A patent/JPS5960277A/ja active Granted
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56128593U (enrdf_load_stackoverflow) * | 1980-02-29 | 1981-09-30 | ||
JPS56128593A (en) * | 1980-03-13 | 1981-10-08 | Tokyo Shibaura Electric Co | Disconnected core detector for series firing circuit |
JPS5845548A (ja) * | 1981-09-11 | 1983-03-16 | Nikka Densoku Kk | 導電性物体の検出方法およびこの方法を実施するための装置 |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS629286A (ja) * | 1985-07-05 | 1987-01-17 | Tokyo Gas Co Ltd | 地下埋設物の探知方法及びその装置 |
JPH02191131A (ja) * | 1988-12-29 | 1990-07-27 | Dainippon Printing Co Ltd | 混合包装体 |
JPH03125987A (ja) * | 1989-10-11 | 1991-05-29 | Anritsu Corp | 金属検出機 |
US8278918B2 (en) | 2010-10-07 | 2012-10-02 | Mettler-Toledo Safeline Limited | Method for operating of a metal detection system and metal detection system |
US8314713B2 (en) | 2010-10-07 | 2012-11-20 | Mettler-Toledo Safeline Limited | Method for monitoring the operation of a metal detection system and metal detection system |
US8587301B2 (en) | 2010-10-07 | 2013-11-19 | Mettler-Toledo Safeline Limited | Method for operating a metal detection system and metal detection system |
US9018935B2 (en) | 2011-09-19 | 2015-04-28 | Mettler-Toledo Safeline Limited | Method for operating a metal detection apparatus and apparatus |
CN104950336A (zh) * | 2014-03-25 | 2015-09-30 | 梅特勒-托利多安全线有限公司 | 用于监测金属探测系统的操作的方法以及金属探测系统 |
EP2924472A1 (en) * | 2014-03-25 | 2015-09-30 | Mettler-Toledo Safeline Limited | Method for monitoring the operation of a metal detection system and metal detection system |
US9804285B2 (en) | 2014-03-25 | 2017-10-31 | Mettler-Toledo Safeline Ltd. | Method for monitoring the operation of a metal detection system and metal detection system |
KR20180085190A (ko) * | 2017-01-18 | 2018-07-26 | 한국전자통신연구원 | 혼합 신호 기반의 단일 여기 코일을 이용한 상자성 물질 검출 방법 및 이를 위한 장치 |
Also Published As
Publication number | Publication date |
---|---|
JPS642904B2 (enrdf_load_stackoverflow) | 1989-01-19 |
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