JPH0229996B2 - - Google Patents
Info
- Publication number
- JPH0229996B2 JPH0229996B2 JP58132836A JP13283683A JPH0229996B2 JP H0229996 B2 JPH0229996 B2 JP H0229996B2 JP 58132836 A JP58132836 A JP 58132836A JP 13283683 A JP13283683 A JP 13283683A JP H0229996 B2 JPH0229996 B2 JP H0229996B2
- Authority
- JP
- Japan
- Prior art keywords
- magnetic field
- alternating magnetic
- hall elements
- hall element
- hall
- 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 - Lifetime
Links
- 229910052751 metal Inorganic materials 0.000 claims description 36
- 239000002184 metal Substances 0.000 claims description 36
- 238000001514 detection method Methods 0.000 claims description 26
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims description 16
- -1 ferrous metals Chemical class 0.000 claims description 8
- 238000007689 inspection Methods 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 14
- 238000010586 diagram Methods 0.000 description 9
- 230000035945 sensitivity Effects 0.000 description 8
- 230000001360 synchronised effect Effects 0.000 description 8
- 229910052742 iron Inorganic materials 0.000 description 7
- 230000000704 physical effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000008186 active pharmaceutical agent Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 230000010363 phase shift Effects 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
- 239000012141 concentrate Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000004804 winding 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
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)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58132836A JPS6025474A (ja) | 1983-07-22 | 1983-07-22 | 金属検出器 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58132836A JPS6025474A (ja) | 1983-07-22 | 1983-07-22 | 金属検出器 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6025474A JPS6025474A (ja) | 1985-02-08 |
| JPH0229996B2 true JPH0229996B2 (fr) | 1990-07-03 |
Family
ID=15090656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58132836A Granted JPS6025474A (ja) | 1983-07-22 | 1983-07-22 | 金属検出器 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6025474A (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2574694B2 (ja) * | 1988-09-30 | 1997-01-22 | アンリツ株式会社 | 金属検出機 |
-
1983
- 1983-07-22 JP JP58132836A patent/JPS6025474A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6025474A (ja) | 1985-02-08 |
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