JPH0224475B2 - - Google Patents
Info
- Publication number
- JPH0224475B2 JPH0224475B2 JP16608083A JP16608083A JPH0224475B2 JP H0224475 B2 JPH0224475 B2 JP H0224475B2 JP 16608083 A JP16608083 A JP 16608083A JP 16608083 A JP16608083 A JP 16608083A JP H0224475 B2 JPH0224475 B2 JP H0224475B2
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- voltage
- positive
- operational amplifier
- negative
- 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
- 230000004907 flux Effects 0.000 claims description 31
- 238000004804 winding Methods 0.000 claims description 31
- 230000005284 excitation Effects 0.000 claims description 23
- 238000001514 detection method Methods 0.000 claims description 16
- 229920006395 saturated elastomer Polymers 0.000 claims description 9
- 239000011162 core material Substances 0.000 description 45
- 230000005540 biological transmission Effects 0.000 description 11
- 238000005259 measurement Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 239000003990 capacitor Substances 0.000 description 6
- 230000008859 change Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 230000005279 excitation period Effects 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 229910000889 permalloy Inorganic materials 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
- G01R33/04—Measuring direction or magnitude of magnetic fields or magnetic flux using the flux-gate principle
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Measuring Magnetic Variables (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16608083A JPS6057275A (ja) | 1983-09-09 | 1983-09-09 | 自励ブリツジ形磁気検出方法 |
DE8484903365T DE3486048T2 (de) | 1983-09-09 | 1984-09-10 | Vorrichtung zum nachweis von magnetismus. |
EP84903365A EP0155324B1 (en) | 1983-09-09 | 1984-09-10 | Apparatus for detecting magnetism |
PCT/JP1984/000432 WO1985001357A1 (en) | 1983-09-09 | 1984-09-10 | Apparatus for detecting magnetism |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16608083A JPS6057275A (ja) | 1983-09-09 | 1983-09-09 | 自励ブリツジ形磁気検出方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6057275A JPS6057275A (ja) | 1985-04-03 |
JPH0224475B2 true JPH0224475B2 (enrdf_load_stackoverflow) | 1990-05-29 |
Family
ID=15824605
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16608083A Granted JPS6057275A (ja) | 1983-09-09 | 1983-09-09 | 自励ブリツジ形磁気検出方法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6057275A (enrdf_load_stackoverflow) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5287059A (en) * | 1990-05-19 | 1994-02-15 | Nkk Corporation | Saturable core magnetometer with a parallel resonant circuit in which the W3 DC level changes with a change in an external magnetic field |
-
1983
- 1983-09-09 JP JP16608083A patent/JPS6057275A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6057275A (ja) | 1985-04-03 |
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