JPS60205273A - フエライト検知センサ - Google Patents
フエライト検知センサInfo
- Publication number
- JPS60205273A JPS60205273A JP59062408A JP6240884A JPS60205273A JP S60205273 A JPS60205273 A JP S60205273A JP 59062408 A JP59062408 A JP 59062408A JP 6240884 A JP6240884 A JP 6240884A JP S60205273 A JPS60205273 A JP S60205273A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- coil
- detection
- magnetic field
- sensor
- 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
- 238000001514 detection method Methods 0.000 title claims abstract description 39
- 229910000859 α-Fe Inorganic materials 0.000 title claims abstract description 17
- 230000005284 excitation Effects 0.000 claims description 27
- 230000004907 flux Effects 0.000 abstract description 12
- 239000003550 marker Substances 0.000 abstract description 8
- 238000013459 approach Methods 0.000 abstract description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 239000002184 metal Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 230000035945 sensitivity Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 239000006227 byproduct Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 229910000889 permalloy Inorganic materials 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 241000252233 Cyprinus carpio Species 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- -1 iron Chemical class 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000000126 substance 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)
- Geophysics And Detection Of Objects (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59062408A JPS60205273A (ja) | 1984-03-30 | 1984-03-30 | フエライト検知センサ |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59062408A JPS60205273A (ja) | 1984-03-30 | 1984-03-30 | フエライト検知センサ |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60205273A true JPS60205273A (ja) | 1985-10-16 |
| JPH0517509B2 JPH0517509B2 (enrdf_load_stackoverflow) | 1993-03-09 |
Family
ID=13199281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59062408A Granted JPS60205273A (ja) | 1984-03-30 | 1984-03-30 | フエライト検知センサ |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60205273A (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62170278A (ja) * | 1986-01-23 | 1987-07-27 | 株式会社 三共 | 弾球遊技機 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5764188A (en) * | 1980-10-08 | 1982-04-19 | Res Dev Corp Of Japan | Ferrite detector |
| JPS58213276A (ja) * | 1983-05-27 | 1983-12-12 | Hitachi Ltd | 磁性体または導電物質の検出器 |
-
1984
- 1984-03-30 JP JP59062408A patent/JPS60205273A/ja active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5764188A (en) * | 1980-10-08 | 1982-04-19 | Res Dev Corp Of Japan | Ferrite detector |
| JPS58213276A (ja) * | 1983-05-27 | 1983-12-12 | Hitachi Ltd | 磁性体または導電物質の検出器 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62170278A (ja) * | 1986-01-23 | 1987-07-27 | 株式会社 三共 | 弾球遊技機 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0517509B2 (enrdf_load_stackoverflow) | 1993-03-09 |
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