GB2277160B - Electric field screening arrangement - Google Patents

Electric field screening arrangement

Info

Publication number
GB2277160B
GB2277160B GB9407291A GB9407291A GB2277160B GB 2277160 B GB2277160 B GB 2277160B GB 9407291 A GB9407291 A GB 9407291A GB 9407291 A GB9407291 A GB 9407291A GB 2277160 B GB2277160 B GB 2277160B
Authority
GB
United Kingdom
Prior art keywords
electric field
screening arrangement
field screening
arrangement
electric
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 - Fee Related
Application number
GB9407291A
Other versions
GB2277160A (en
GB9407291D0 (en
Inventor
Michael Burl
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BAE Systems Electronics Ltd
Original Assignee
GEC Marconi Ltd
Marconi Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by GEC Marconi Ltd, Marconi Co Ltd filed Critical GEC Marconi Ltd
Publication of GB9407291D0 publication Critical patent/GB9407291D0/en
Publication of GB2277160A publication Critical patent/GB2277160A/en
Application granted granted Critical
Publication of GB2277160B publication Critical patent/GB2277160B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/34—Constructional details, e.g. resonators, specially adapted to MR
    • G01R33/341—Constructional details, e.g. resonators, specially adapted to MR comprising surface coils
    • 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
    • G01R33/422—Screening of the radio frequency field

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
GB9407291A 1993-04-14 1994-04-13 Electric field screening arrangement Expired - Fee Related GB2277160B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB939307646A GB9307646D0 (en) 1993-04-14 1993-04-14 Electric field screen

Publications (3)

Publication Number Publication Date
GB9407291D0 GB9407291D0 (en) 1994-06-08
GB2277160A GB2277160A (en) 1994-10-19
GB2277160B true GB2277160B (en) 1997-02-05

Family

ID=10733766

Family Applications (2)

Application Number Title Priority Date Filing Date
GB939307646A Pending GB9307646D0 (en) 1993-04-14 1993-04-14 Electric field screen
GB9407291A Expired - Fee Related GB2277160B (en) 1993-04-14 1994-04-13 Electric field screening arrangement

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB939307646A Pending GB9307646D0 (en) 1993-04-14 1993-04-14 Electric field screen

Country Status (1)

Country Link
GB (2) GB9307646D0 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005013853B4 (en) * 2005-03-24 2009-06-25 Siemens Ag Magnetic resonance system with a high-frequency transmitting antenna
DE102005018633A1 (en) * 2005-04-21 2006-11-02 Siemens Ag Antenna arrangement for magnetic resonance system, has antenna with two ends, where overlay factor varies with distance from center of capacitive gap and shielding structure covers antenna transverse to current flow direction by factor
EP2510372B1 (en) * 2009-12-02 2015-07-01 Commonwealth Scientific and Industrial Research Organisation An apparatus for detecting magnetic resonance signals
DE102010010820B4 (en) 2010-03-10 2012-08-09 Siemens Aktiengesellschaft A local coil for a magnetic resonance device, a magnetic resonance device and a method for indicating a change in the state of a local coil

Also Published As

Publication number Publication date
GB9307646D0 (en) 1993-06-02
GB2277160A (en) 1994-10-19
GB9407291D0 (en) 1994-06-08

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20030413