JPH041877B2 - - Google Patents
Info
- Publication number
- JPH041877B2 JPH041877B2 JP58210573A JP21057383A JPH041877B2 JP H041877 B2 JPH041877 B2 JP H041877B2 JP 58210573 A JP58210573 A JP 58210573A JP 21057383 A JP21057383 A JP 21057383A JP H041877 B2 JPH041877 B2 JP H041877B2
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- magnet
- metal ball
- hall element
- path
- 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
- 230000005291 magnetic effect Effects 0.000 claims description 106
- 239000002184 metal Substances 0.000 claims description 71
- 230000004907 flux Effects 0.000 claims description 40
- 238000001514 detection method Methods 0.000 claims description 36
- 239000000696 magnetic material Substances 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 7
- 101100522258 Danio rerio ptmaa gene Proteins 0.000 description 5
- 101150054513 ptmA gene Proteins 0.000 description 5
- 239000002131 composite material Substances 0.000 description 4
- 230000007257 malfunction Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000003302 ferromagnetic material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 101800001494 Protease 2A Proteins 0.000 description 1
- 101800001066 Protein 2A Proteins 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 230000003068 static effect Effects 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
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 |
|---|---|---|---|
| JP58210573A JPS60102585A (ja) | 1983-11-08 | 1983-11-08 | 金属球検出装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58210573A JPS60102585A (ja) | 1983-11-08 | 1983-11-08 | 金属球検出装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60102585A JPS60102585A (ja) | 1985-06-06 |
| JPH041877B2 true JPH041877B2 (en]) | 1992-01-14 |
Family
ID=16591549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58210573A Granted JPS60102585A (ja) | 1983-11-08 | 1983-11-08 | 金属球検出装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60102585A (en]) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62113085A (ja) * | 1985-11-13 | 1987-05-23 | Universal:Kk | 球体検出装置 |
| JPS6327884U (en]) * | 1986-08-06 | 1988-02-24 | ||
| JPS63210689A (ja) * | 1987-02-27 | 1988-09-01 | Yamatake Honeywell Co Ltd | 磁性球体の検出装置 |
| JPH02116486U (en]) * | 1989-03-03 | 1990-09-18 | ||
| JPH10233146A (ja) | 1997-02-19 | 1998-09-02 | Nec Corp | 強磁性物体通過センサ |
| JP6373790B2 (ja) * | 2015-04-06 | 2018-08-15 | アサ電子工業株式会社 | 非接触スイッチ |
-
1983
- 1983-11-08 JP JP58210573A patent/JPS60102585A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60102585A (ja) | 1985-06-06 |
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