DE2219780C3 - Schaltanordnung zum Messen auch sehr schwacher magnetischer Wechselfelder - Google Patents
Schaltanordnung zum Messen auch sehr schwacher magnetischer WechselfelderInfo
- Publication number
- DE2219780C3 DE2219780C3 DE2219780A DE2219780A DE2219780C3 DE 2219780 C3 DE2219780 C3 DE 2219780C3 DE 2219780 A DE2219780 A DE 2219780A DE 2219780 A DE2219780 A DE 2219780A DE 2219780 C3 DE2219780 C3 DE 2219780C3
- Authority
- DE
- Germany
- Prior art keywords
- switching arrangement
- amplifier circuit
- coil
- resistance
- frequency
- 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
- 230000008878 coupling Effects 0.000 claims description 9
- 238000010168 coupling process Methods 0.000 claims description 9
- 238000005859 coupling reaction Methods 0.000 claims description 9
- 230000001419 dependent effect Effects 0.000 claims description 7
- 238000004804 winding Methods 0.000 claims 1
- 238000005259 measurement Methods 0.000 description 41
- 230000035945 sensitivity Effects 0.000 description 18
- 238000011161 development Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 7
- 239000000523 sample Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000005658 nuclear physics Effects 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 241001261858 Alsodes Species 0.000 description 1
- 241000272525 Anas platyrhynchos Species 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 101100443626 Mus musculus Dner gene Proteins 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004870 electrical engineering Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
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- 238000013519 translation 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
- G01R33/028—Electrodynamic magnetometers
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Measuring Magnetic Variables (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2219780A DE2219780C3 (de) | 1972-04-22 | 1972-04-22 | Schaltanordnung zum Messen auch sehr schwacher magnetischer Wechselfelder |
| US350614A US3872382A (en) | 1972-04-22 | 1973-04-09 | Magnetic field measuring apparatus with frequency independent sensitivity |
| NL7304966A NL7304966A (enExample) | 1972-04-22 | 1973-04-10 | |
| SE7305106A SE380904B (sv) | 1972-04-22 | 1973-04-11 | Kopplingsanordning for metning av even mycket svaga magnetiska vexelfelt |
| CA169,104A CA982231A (en) | 1972-04-22 | 1973-04-18 | Magnetic field measuring apparatus |
| FR7314116A FR2181898B1 (enExample) | 1972-04-22 | 1973-04-18 | |
| GB1914473A GB1402513A (en) | 1972-04-22 | 1973-04-19 | Magnetic field measuring apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2219780A DE2219780C3 (de) | 1972-04-22 | 1972-04-22 | Schaltanordnung zum Messen auch sehr schwacher magnetischer Wechselfelder |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2219780A1 DE2219780A1 (de) | 1973-10-31 |
| DE2219780B2 DE2219780B2 (de) | 1975-03-27 |
| DE2219780C3 true DE2219780C3 (de) | 1975-11-06 |
Family
ID=5842924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2219780A Expired DE2219780C3 (de) | 1972-04-22 | 1972-04-22 | Schaltanordnung zum Messen auch sehr schwacher magnetischer Wechselfelder |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3872382A (enExample) |
| CA (1) | CA982231A (enExample) |
| DE (1) | DE2219780C3 (enExample) |
| FR (1) | FR2181898B1 (enExample) |
| GB (1) | GB1402513A (enExample) |
| NL (1) | NL7304966A (enExample) |
| SE (1) | SE380904B (enExample) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4672316A (en) * | 1983-08-19 | 1987-06-09 | Werkzeugmaschinenfabrik Oerlikon-Buhrle Ag | Method for calibrating a muzzle velocity measuring device |
| EP0326638A1 (en) * | 1988-02-05 | 1989-08-09 | Elizabeth A. Rauscher | Non-superconducting apparatus for detecting magnetic and electromagnetic fields |
| DE3719275C2 (de) * | 1987-06-10 | 1993-12-16 | Deutsche Aerospace | Anordnung zur störungsfreien und rückwirkungsarmen Messung einer elektrischen Größe |
| US5469058A (en) * | 1992-12-30 | 1995-11-21 | Dunnam; Curt | Feedback enhanced sensor, alternating magnetic field detector |
| US5952734A (en) * | 1995-02-15 | 1999-09-14 | Fonar Corporation | Apparatus and method for magnetic systems |
| RU2194286C1 (ru) * | 2001-06-20 | 2002-12-10 | Южно-Российский государственный технический университет (Новочеркасский политехнический институт) | Устройство для измерения напряженности магнитного поля |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3489955A (en) * | 1967-09-13 | 1970-01-13 | Honeywell Inc | Amplifier apparatus |
-
1972
- 1972-04-22 DE DE2219780A patent/DE2219780C3/de not_active Expired
-
1973
- 1973-04-09 US US350614A patent/US3872382A/en not_active Expired - Lifetime
- 1973-04-10 NL NL7304966A patent/NL7304966A/xx not_active Application Discontinuation
- 1973-04-11 SE SE7305106A patent/SE380904B/xx unknown
- 1973-04-18 CA CA169,104A patent/CA982231A/en not_active Expired
- 1973-04-18 FR FR7314116A patent/FR2181898B1/fr not_active Expired
- 1973-04-19 GB GB1914473A patent/GB1402513A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL7304966A (enExample) | 1973-10-24 |
| DE2219780A1 (de) | 1973-10-31 |
| DE2219780B2 (de) | 1975-03-27 |
| US3872382A (en) | 1975-03-18 |
| FR2181898A1 (enExample) | 1973-12-07 |
| GB1402513A (en) | 1975-08-13 |
| SE380904B (sv) | 1975-11-17 |
| FR2181898B1 (enExample) | 1976-05-28 |
| CA982231A (en) | 1976-01-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| E77 | Valid patent as to the heymanns-index 1977 | ||
| 8339 | Ceased/non-payment of the annual fee |