FI853014L - Kaernmagnetiskt delsystem av resonansavbildningsantenn med flera oortogonala ytspolar. - Google Patents

Kaernmagnetiskt delsystem av resonansavbildningsantenn med flera oortogonala ytspolar.

Info

Publication number
FI853014L
FI853014L FI853014A FI853014A FI853014L FI 853014 L FI853014 L FI 853014L FI 853014 A FI853014 A FI 853014A FI 853014 A FI853014 A FI 853014A FI 853014 L FI853014 L FI 853014L
Authority
FI
Finland
Prior art keywords
ytspolar
resonansavbildningsantenn
oortogonala
kaernmagnetiskt
delsystem
Prior art date
Application number
FI853014A
Other languages
English (en)
Other versions
FI853014A0 (fi
Inventor
William Alan Edelstein
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of FI853014A0 publication Critical patent/FI853014A0/fi
Publication of FI853014L publication Critical patent/FI853014L/fi

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F5/00—Coils
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
    • G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
    • G08B13/194—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems
    • G08B13/196—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems using television cameras
    • 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
    • G01R33/3415—Constructional details, e.g. resonators, specially adapted to MR comprising surface coils comprising arrays of sub-coils, i.e. phased-array coils with flexible receiver channels
    • 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
    • G01R33/36—Electrical details, e.g. matching or coupling of the coil to the receiver
    • G01R33/3642—Mutual coupling or decoupling of multiple coils, e.g. decoupling of a receive coil from a transmission coil, or intentional coupling of RF coils, e.g. for RF magnetic field amplification
    • G01R33/3657—Decoupling of multiple RF coils wherein the multiple RF coils do not have the same function in MR, e.g. decoupling of a transmission coil from a receive coil
    • 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
    • G01R33/34007—Manufacture of RF coils, e.g. using printed circuit board technology; additional hardware for providing mechanical support to the RF coil assembly or to part thereof, e.g. a support for moving the coil assembly relative to the remainder of the MR system

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
FI853014A 1984-08-16 1985-08-06 Kaernmagnetiskt delsystem av resonansavbildningsantenn med flera oortogonala ytspolar. FI853014L (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/641,234 US4620155A (en) 1984-08-16 1984-08-16 Nuclear magnetic resonance imaging antenna subsystem having a plurality of non-orthogonal surface coils

Publications (2)

Publication Number Publication Date
FI853014A0 FI853014A0 (fi) 1985-08-06
FI853014L true FI853014L (fi) 1986-02-17

Family

ID=24571527

Family Applications (1)

Application Number Title Priority Date Filing Date
FI853014A FI853014L (fi) 1984-08-16 1985-08-06 Kaernmagnetiskt delsystem av resonansavbildningsantenn med flera oortogonala ytspolar.

Country Status (7)

Country Link
US (1) US4620155A (fi)
EP (1) EP0175129B1 (fi)
JP (1) JPS61124854A (fi)
KR (1) KR860002115A (fi)
DE (1) DE3576570D1 (fi)
FI (1) FI853014L (fi)
IL (1) IL76015A0 (fi)

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Also Published As

Publication number Publication date
EP0175129A2 (en) 1986-03-26
KR860002115A (ko) 1986-03-26
JPS61124854A (ja) 1986-06-12
FI853014A0 (fi) 1985-08-06
EP0175129A3 (en) 1987-05-06
JPH0351173B2 (fi) 1991-08-06
IL76015A0 (en) 1985-12-31
EP0175129B1 (en) 1990-03-14
US4620155A (en) 1986-10-28
DE3576570D1 (de) 1990-04-19

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Owner name: GENERAL ELECTRIC COMPANY