AU3265093A - Gradient field control - Google Patents
Gradient field controlInfo
- Publication number
- AU3265093A AU3265093A AU32650/93A AU3265093A AU3265093A AU 3265093 A AU3265093 A AU 3265093A AU 32650/93 A AU32650/93 A AU 32650/93A AU 3265093 A AU3265093 A AU 3265093A AU 3265093 A AU3265093 A AU 3265093A
- Authority
- AU
- Australia
- Prior art keywords
- field control
- gradient field
- gradient
- control
- field
- 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.)
- Abandoned
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
- G01R33/385—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using gradient magnetic field coils
- G01R33/3852—Gradient amplifiers; means for controlling the application of a gradient magnetic field to the sample, e.g. a gradient signal synthesizer
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9200812 | 1992-01-15 | ||
GB929200812A GB9200812D0 (en) | 1992-01-15 | 1992-01-15 | Gradient field control |
Publications (1)
Publication Number | Publication Date |
---|---|
AU3265093A true AU3265093A (en) | 1993-08-03 |
Family
ID=10708629
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU32650/93A Abandoned AU3265093A (en) | 1992-01-15 | 1993-01-15 | Gradient field control |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0621955A1 (en) |
JP (1) | JPH07502671A (en) |
AU (1) | AU3265093A (en) |
GB (1) | GB9200812D0 (en) |
WO (1) | WO1993014414A1 (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003514642A (en) * | 1999-11-19 | 2003-04-22 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | MRI apparatus having feed-forward loop inserted in gradient loop |
US7372265B2 (en) | 2003-02-05 | 2008-05-13 | Koninklijke Philips Electronics N.V. | Compensation of magnetic field disturbances due to vibrations in an MRI system |
WO2005091010A1 (en) * | 2004-03-16 | 2005-09-29 | Koninklijke Philips Electronics N.V. | Magnetic resonance imaging device bwith an active shielding device |
US7319326B2 (en) | 2004-09-23 | 2008-01-15 | University Of New Brunswick | Sensor and magnetic field apparatus suitable for use in for unilateral nuclear magnetic resonance and method for making same |
US8237440B2 (en) | 2005-09-23 | 2012-08-07 | University Of New Brunswick | Magnetic field generator suitable for unilateral nuclear magnetic resonance and method for making same |
CA2672699A1 (en) | 2006-11-24 | 2008-05-29 | University Of New Brunswick | Magnet array |
WO2010004492A1 (en) * | 2008-07-11 | 2010-01-14 | Koninklijke Philips Electronics N.V. | Digital amplifier with feedforward and feedback control |
US9692391B2 (en) | 2013-08-06 | 2017-06-27 | Linear Research Associates, Inc. | Adjustable compensation ratio feedback system |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4437053A (en) * | 1982-05-10 | 1984-03-13 | Diasonics (Nmr) Inc. | Gradient power supply |
US4585995A (en) * | 1984-04-19 | 1986-04-29 | Technicare Corporation | Nuclear magnetic resonance eddy field suppression apparatus |
US4761612A (en) * | 1985-07-25 | 1988-08-02 | Picker International, Inc. | Programmable eddy current correction |
US4928063A (en) * | 1987-11-09 | 1990-05-22 | Picker International, Inc. | Automatic eddy current correction |
NL8802212A (en) * | 1988-09-08 | 1990-04-02 | Philips Nv | METHOD AND APPARATUS FOR WHIRL FLOW COMPENSATION IN MR DEVICES. |
DE4020213C2 (en) * | 1990-06-25 | 1993-10-07 | Siemens Ag | Power supply for a gradient coil of a nuclear magnetic resonance imaging system |
EP0476321B1 (en) * | 1990-09-20 | 1996-10-23 | Siemens Aktiengesellschaft | Nuclear spin tomograph |
-
1992
- 1992-01-15 GB GB929200812A patent/GB9200812D0/en active Pending
-
1993
- 1993-01-15 EP EP93901871A patent/EP0621955A1/en not_active Withdrawn
- 1993-01-15 WO PCT/GB1993/000082 patent/WO1993014414A1/en not_active Application Discontinuation
- 1993-01-15 AU AU32650/93A patent/AU3265093A/en not_active Abandoned
- 1993-01-15 JP JP5512284A patent/JPH07502671A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
EP0621955A1 (en) | 1994-11-02 |
JPH07502671A (en) | 1995-03-23 |
WO1993014414A1 (en) | 1993-07-22 |
GB9200812D0 (en) | 1992-03-11 |
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