DE3787767T2 - Elektrische Wicklungen. - Google Patents
Elektrische Wicklungen.Info
- Publication number
- DE3787767T2 DE3787767T2 DE87305443T DE3787767T DE3787767T2 DE 3787767 T2 DE3787767 T2 DE 3787767T2 DE 87305443 T DE87305443 T DE 87305443T DE 3787767 T DE3787767 T DE 3787767T DE 3787767 T2 DE3787767 T2 DE 3787767T2
- Authority
- DE
- Germany
- Prior art keywords
- electrical windings
- windings
- electrical
- 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
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
- G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
- G01R33/381—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using electromagnets
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
- G01R33/42—Screening
- G01R33/421—Screening of main or gradient magnetic field
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/20—Electromagnets; Actuators including electromagnets without armatures
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
- G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
- G01R33/381—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using electromagnets
- G01R33/3815—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using electromagnets with superconducting coils, e.g. power supply therefor
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB868615674A GB8615674D0 (en) | 1986-06-26 | 1986-06-26 | Electrical coils |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3787767D1 DE3787767D1 (de) | 1993-11-18 |
DE3787767T2 true DE3787767T2 (de) | 1994-02-03 |
Family
ID=10600164
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE87305443T Expired - Lifetime DE3787767T2 (de) | 1986-06-26 | 1987-06-19 | Elektrische Wicklungen. |
Country Status (6)
Country | Link |
---|---|
US (1) | US4873503A (de) |
EP (1) | EP0254416B1 (de) |
JP (1) | JPH0828296B2 (de) |
CA (1) | CA1279695C (de) |
DE (1) | DE3787767T2 (de) |
GB (2) | GB8615674D0 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69018303T2 (de) * | 1989-04-17 | 1995-11-09 | Ngk Insulators Ltd | Supraleitende Struktur zur magnetischen Abschirmung. |
EP0402714B1 (de) * | 1989-06-14 | 1994-09-07 | Asea Brown Boveri Ag | Verfahren zur Reduzierung von Wirbelströmen in einem Supraleiterband und Supraleiteranordnung |
US5266913A (en) * | 1991-08-27 | 1993-11-30 | British Technology Group Usa Inc. | Screened electromagnetic coil of restricted length having optimized field and method |
JP3136885B2 (ja) * | 1994-02-02 | 2001-02-19 | 日産自動車株式会社 | パワーmosfet |
US7382133B1 (en) | 2005-04-29 | 2008-06-03 | Fonar Corporation | Self-shielded gradients and method of designing and producing self-shielded gradients |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1285694A (en) * | 1968-09-10 | 1972-08-16 | Perkin Elmer Ltd | Flux stabilized magnets |
US3671902A (en) * | 1971-05-25 | 1972-06-20 | Gen Electric | Shielded inductive device |
GB2050062B (en) * | 1979-05-25 | 1983-07-20 | Emi Ltd | Coils for electromagnets with uniform fields |
GB2070254B (en) * | 1980-01-21 | 1984-10-17 | Oxford Instr Group Ltd | Nuclear magnetic resonance apparatus and methods |
US4456881A (en) * | 1982-01-18 | 1984-06-26 | Technicare Corporation | Gradient-coil apparatus for a magnetic resonance system |
US5177443A (en) * | 1983-08-12 | 1993-01-05 | Picker International Limited | Nuclear magnetic resonance apparatus |
GB8329196D0 (en) * | 1983-11-02 | 1983-12-07 | Bydder G M | Nuclear magnetic resonance apparatus |
FI88079C (fi) * | 1983-11-02 | 1993-03-25 | Gen Electric | Tvaer gradientspole, speciellt en spole foer bruk i nukleaera magnetiska resonansavbildningssystem |
IL73353A (en) * | 1983-11-18 | 1988-11-30 | Gen Electric | Electric circuit for high uniformity magnetic field |
GB8334374D0 (en) * | 1983-12-23 | 1984-02-01 | Picker Int Ltd | Coil arrangements |
US4682134A (en) * | 1985-06-03 | 1987-07-21 | General Electric Company | Conical, unimpregnated winding for MR magnets |
US4724388A (en) * | 1985-06-07 | 1988-02-09 | Hitachi, Ltd. | Magnetic resonance imaging method |
EP0216590B2 (de) * | 1985-09-20 | 2001-06-06 | Btg International Limited | Magnetische Abschirmungen |
-
1986
- 1986-06-26 GB GB868615674A patent/GB8615674D0/en active Pending
-
1987
- 1987-06-19 GB GB8714435A patent/GB2193323B/en not_active Expired - Lifetime
- 1987-06-19 EP EP87305443A patent/EP0254416B1/de not_active Expired - Lifetime
- 1987-06-19 DE DE87305443T patent/DE3787767T2/de not_active Expired - Lifetime
- 1987-06-24 US US07/065,853 patent/US4873503A/en not_active Expired - Lifetime
- 1987-06-26 CA CA000540697A patent/CA1279695C/en not_active Expired - Lifetime
- 1987-06-26 JP JP62159484A patent/JPH0828296B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CA1279695C (en) | 1991-01-29 |
EP0254416A1 (de) | 1988-01-27 |
US4873503A (en) | 1989-10-10 |
GB2193323A (en) | 1988-02-03 |
JPH0828296B2 (ja) | 1996-03-21 |
GB2193323B (en) | 1991-03-27 |
GB8615674D0 (en) | 1986-07-30 |
DE3787767D1 (de) | 1993-11-18 |
EP0254416B1 (de) | 1993-10-13 |
GB8714435D0 (en) | 1987-07-22 |
JPS6387711A (ja) | 1988-04-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |