JPS6335945B2 - - Google Patents
Info
- Publication number
- JPS6335945B2 JPS6335945B2 JP57169644A JP16964482A JPS6335945B2 JP S6335945 B2 JPS6335945 B2 JP S6335945B2 JP 57169644 A JP57169644 A JP 57169644A JP 16964482 A JP16964482 A JP 16964482A JP S6335945 B2 JPS6335945 B2 JP S6335945B2
- Authority
- JP
- Japan
- Prior art keywords
- detection signal
- detection
- synchronous
- inspected
- 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.)
- Expired
Links
- 238000001514 detection method Methods 0.000 claims description 69
- 229910052751 metal Inorganic materials 0.000 claims description 38
- 239000002184 metal Substances 0.000 claims description 38
- 230000001360 synchronised effect Effects 0.000 claims description 31
- 150000002739 metals Chemical class 0.000 claims description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 35
- 229910052742 iron Inorganic materials 0.000 description 14
- 230000035945 sensitivity Effects 0.000 description 13
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 10
- -1 ferrous metals Chemical class 0.000 description 10
- 238000010586 diagram Methods 0.000 description 5
- 239000000696 magnetic material Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 241001474374 Blennius Species 0.000 description 1
- 239000008186 active pharmaceutical agent Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 235000013580 sausages Nutrition 0.000 description 1
- 238000011896 sensitive detection Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel 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
- 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 |
|---|---|---|---|
| JP57169644A JPS5960276A (ja) | 1982-09-30 | 1982-09-30 | 被検査体混入金属の検出装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57169644A JPS5960276A (ja) | 1982-09-30 | 1982-09-30 | 被検査体混入金属の検出装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5960276A JPS5960276A (ja) | 1984-04-06 |
| JPS6335945B2 true JPS6335945B2 (en]) | 1988-07-18 |
Family
ID=15890298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57169644A Granted JPS5960276A (ja) | 1982-09-30 | 1982-09-30 | 被検査体混入金属の検出装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5960276A (en]) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0619469B2 (ja) * | 1988-04-13 | 1994-03-16 | 大和製衡株式会社 | 金属等の異物混入検出器 |
-
1982
- 1982-09-30 JP JP57169644A patent/JPS5960276A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5960276A (ja) | 1984-04-06 |
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