FR2534692A1 - Dispositif capteur de champ magnetique alternatif a haute sensibilite et a large bande, et appareil de mesure l'utilisant - Google Patents
Dispositif capteur de champ magnetique alternatif a haute sensibilite et a large bande, et appareil de mesure l'utilisant Download PDFInfo
- Publication number
- FR2534692A1 FR2534692A1 FR8217296A FR8217296A FR2534692A1 FR 2534692 A1 FR2534692 A1 FR 2534692A1 FR 8217296 A FR8217296 A FR 8217296A FR 8217296 A FR8217296 A FR 8217296A FR 2534692 A1 FR2534692 A1 FR 2534692A1
- Authority
- FR
- France
- Prior art keywords
- line
- sensor device
- conductor
- adaptation
- turns
- 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
- 239000004020 conductor Substances 0.000 claims abstract description 24
- 230000006978 adaptation Effects 0.000 claims abstract description 21
- 238000004804 winding Methods 0.000 claims abstract description 14
- 230000005684 electric field Effects 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 6
- 238000003754 machining Methods 0.000 claims description 4
- 239000003989 dielectric material Substances 0.000 claims description 2
- 150000001768 cations Chemical class 0.000 claims 2
- 238000005530 etching Methods 0.000 claims 1
- 230000035945 sensitivity Effects 0.000 abstract description 13
- 230000008901 benefit Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 230000005355 Hall effect Effects 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000003071 parasitic effect Effects 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000003486 chemical etching Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 244000045947 parasite Species 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 230000001052 transient effect Effects 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)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8217296A FR2534692A1 (fr) | 1982-10-15 | 1982-10-15 | Dispositif capteur de champ magnetique alternatif a haute sensibilite et a large bande, et appareil de mesure l'utilisant |
| EP83401944A EP0109867B1 (fr) | 1982-10-15 | 1983-10-04 | Dispositif capteur de champ magnétique alternatif à haute sensibilité, et à large bande, et appareil de mesure l'utilisant |
| DE8383401944T DE3362942D1 (en) | 1982-10-15 | 1983-10-04 | Sensitive broad band alternating magnetic field detector, and its use as a measuring apparatus |
| US06/541,004 US4605899A (en) | 1982-10-15 | 1983-10-11 | Magnetic field sensor using a coaxial line wound into a coil |
| CA000438815A CA1205524A (en) | 1982-10-15 | 1983-10-12 | Broad band, high sensitivity, alternating magnetic field sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8217296A FR2534692A1 (fr) | 1982-10-15 | 1982-10-15 | Dispositif capteur de champ magnetique alternatif a haute sensibilite et a large bande, et appareil de mesure l'utilisant |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2534692A1 true FR2534692A1 (fr) | 1984-04-20 |
| FR2534692B1 FR2534692B1 (OSRAM) | 1984-12-14 |
Family
ID=9278312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8217296A Granted FR2534692A1 (fr) | 1982-10-15 | 1982-10-15 | Dispositif capteur de champ magnetique alternatif a haute sensibilite et a large bande, et appareil de mesure l'utilisant |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4605899A (OSRAM) |
| EP (1) | EP0109867B1 (OSRAM) |
| CA (1) | CA1205524A (OSRAM) |
| DE (1) | DE3362942D1 (OSRAM) |
| FR (1) | FR2534692A1 (OSRAM) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61128609A (ja) * | 1984-11-27 | 1986-06-16 | Toyota Motor Corp | 自動車用アンテナ装置 |
| FR2583171B1 (fr) * | 1985-06-07 | 1988-06-17 | Commissariat Energie Atomique | Detecteur de champ magnetique a large bande passante en frequence |
| EP0222982B1 (de) * | 1985-11-18 | 1990-10-31 | Siemens Aktiengesellschaft | Oberflächenspule für die Untersuchung mit Hilfe der kernmagnetischen Resonanz |
| NL8600730A (nl) * | 1986-03-21 | 1987-10-16 | Philips Nv | Magnetisch resonantie apparaat met storingsvrije rf spoel. |
| GB8613789D0 (en) * | 1986-06-06 | 1986-07-09 | Bonar Bray Ltd | Magnetic field sensor coil |
| US4790030A (en) * | 1986-11-25 | 1988-12-06 | Rca Licensing Corporation | Tuner with insertable antenna coupler |
| US5248989A (en) * | 1988-02-04 | 1993-09-28 | Unisan Ltd. | Magnetic field concentrator |
| US5130654A (en) * | 1989-06-16 | 1992-07-14 | University Of Virginia Alumni Patents Foundation | Magnetolelastic amorphous metal ribbon gradiometer |
| US5239290A (en) * | 1992-03-25 | 1993-08-24 | Schonstedt Instrument Company | Magnetic cores for saturable core measuring devices and methods of manufacturing such cores |
| US6204661B1 (en) | 1998-09-30 | 2001-03-20 | Tech International Corp. | Detector for periodic magnetic field |
| US6727698B1 (en) | 1999-12-17 | 2004-04-27 | Fonar Corporation | MRI antennas including electrically connected inner and outer conductors, and MRI systems including such antennas |
| US6636040B1 (en) | 1999-12-17 | 2003-10-21 | Fonar Corporation | MRI antenna |
| US6847210B1 (en) | 1999-12-17 | 2005-01-25 | Fonar Corporation | MRI antenna |
| GB0104910D0 (en) * | 2001-02-28 | 2001-04-18 | Ibm | Devices to reduce electro-magnetic field radiation |
| KR20060021649A (ko) * | 2004-09-03 | 2006-03-08 | 엘지전자 주식회사 | 고밀도 미세 패턴의 단락 도선 위치 검출을 위한 자기 센서 |
| CA2590362A1 (en) * | 2004-12-14 | 2006-06-22 | Alex Axelrod | Magnetic induction device |
| US9671478B2 (en) * | 2011-07-22 | 2017-06-06 | Max-Planck-Gesellschaft Zur Foerderung Der Wissenschaften E.V. | Antenna and antenna arrangement for magnetic resonance applications |
| US9519037B2 (en) | 2011-11-10 | 2016-12-13 | Mayo Foundation For Medical Education And Research | Spatially coincident MRI receiver coils and method for manufacturing |
| US9678180B2 (en) * | 2014-05-06 | 2017-06-13 | Quality Electrodynamics, Llc | Coaxial cable magnetic resonance image (MRI) coil |
| US9933501B2 (en) | 2014-08-04 | 2018-04-03 | Quality Electrodynamics, Llc | Magnetic resonance imaging (MRI) coil with integrated decoupling |
| US11686792B2 (en) * | 2017-04-30 | 2023-06-27 | New York University | Receive coil arrangement and method for use thereof |
| US10739422B2 (en) | 2017-05-16 | 2020-08-11 | Quality Electrodynamics, Llc | Flexible coaxial magnetic resonance imaging (MRI) coil with integrated decoupling |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1490382A (en) * | 1920-07-30 | 1924-04-15 | Gen Electric | Direct-reading flux meter |
| NL6701915A (OSRAM) * | 1967-02-08 | 1968-08-09 | ||
| FR2418468A1 (fr) * | 1978-02-22 | 1979-09-21 | Gen Electric Co Ltd | Transducteur de courant, notamment pour la mesure de l'intensite du courant circulant dans une barre de distribution |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2349154A (en) * | 1941-08-13 | 1944-05-16 | Finch Telecommunications Inc | Coaxial cable loop antenna |
| US2465381A (en) * | 1945-03-12 | 1949-03-29 | Standard Telephones Cables Ltd | Loop antenna system |
| US2419577A (en) * | 1945-03-12 | 1947-04-29 | Standard Telephones Cables Ltd | Antenna system |
| US2681434A (en) * | 1951-03-07 | 1954-06-15 | Boonton Radio Corp | Frequency meter |
| US3662255A (en) * | 1970-04-13 | 1972-05-09 | Charles L Garrett | Apparatus for locating concealed or buried metal bodies and a stable inductor usable in such detectors |
| JPS5226879B2 (OSRAM) * | 1972-09-19 | 1977-07-16 | ||
| US3973263A (en) * | 1973-04-20 | 1976-08-03 | The United States Of America As Represented By The Secretary Of The Navy | Sensitivity improvement of spaced-loop antenna by capacitive gap loading |
| JPS57192877A (en) * | 1981-05-23 | 1982-11-27 | Toyota Central Res & Dev Lab Inc | Measuring device for intensity of electromagnetic field |
| US4433336A (en) * | 1982-02-05 | 1984-02-21 | The United States Of America As Represented By The Secretary Of Commerce | Three-element antenna formed of orthogonal loops mounted on a monopole |
-
1982
- 1982-10-15 FR FR8217296A patent/FR2534692A1/fr active Granted
-
1983
- 1983-10-04 DE DE8383401944T patent/DE3362942D1/de not_active Expired
- 1983-10-04 EP EP83401944A patent/EP0109867B1/fr not_active Expired
- 1983-10-11 US US06/541,004 patent/US4605899A/en not_active Expired - Fee Related
- 1983-10-12 CA CA000438815A patent/CA1205524A/en not_active Expired
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1490382A (en) * | 1920-07-30 | 1924-04-15 | Gen Electric | Direct-reading flux meter |
| NL6701915A (OSRAM) * | 1967-02-08 | 1968-08-09 | ||
| FR2418468A1 (fr) * | 1978-02-22 | 1979-09-21 | Gen Electric Co Ltd | Transducteur de courant, notamment pour la mesure de l'intensite du courant circulant dans une barre de distribution |
Non-Patent Citations (1)
| Title |
|---|
| IEEE TRANSACTIONS ON ELECTROMAGNETIC COMPATIBILITY, vol. EMC-16, no. 2, mai 1974, pages 83-89; * |
Also Published As
| Publication number | Publication date |
|---|---|
| DE3362942D1 (en) | 1986-05-15 |
| CA1205524A (en) | 1986-06-03 |
| EP0109867A1 (fr) | 1984-05-30 |
| FR2534692B1 (OSRAM) | 1984-12-14 |
| EP0109867B1 (fr) | 1986-04-09 |
| US4605899A (en) | 1986-08-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |