JPH046123B2 - - Google Patents

Info

Publication number
JPH046123B2
JPH046123B2 JP10379587A JP10379587A JPH046123B2 JP H046123 B2 JPH046123 B2 JP H046123B2 JP 10379587 A JP10379587 A JP 10379587A JP 10379587 A JP10379587 A JP 10379587A JP H046123 B2 JPH046123 B2 JP H046123B2
Authority
JP
Japan
Prior art keywords
loop
resonant circuit
capacitance
coil
ring
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
Application number
JP10379587A
Other languages
English (en)
Japanese (ja)
Other versions
JPS63269605A (ja
Inventor
Yasuto Takeuchi
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.)
GE Healthcare Japan Corp
Original Assignee
Yokogawa Medical Systems 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 Yokogawa Medical Systems Ltd filed Critical Yokogawa Medical Systems Ltd
Priority to JP10379587A priority Critical patent/JPS63269605A/ja
Priority to PCT/JP1988/000411 priority patent/WO1988008622A1/fr
Publication of JPS63269605A publication Critical patent/JPS63269605A/ja
Publication of JPH046123B2 publication Critical patent/JPH046123B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/0485—Dielectric resonator antennas
    • 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
    • G01R33/343—Constructional details, e.g. resonators, specially adapted to MR of slotted-tube or loop-gap type
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Details Of Aerials (AREA)
JP10379587A 1987-04-27 1987-04-27 ワンタ−ンル−プ共振回路 Granted JPS63269605A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP10379587A JPS63269605A (ja) 1987-04-27 1987-04-27 ワンタ−ンル−プ共振回路
PCT/JP1988/000411 WO1988008622A1 (fr) 1987-04-27 1988-04-27 Resonateur a boucle a un seul enroulement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10379587A JPS63269605A (ja) 1987-04-27 1987-04-27 ワンタ−ンル−プ共振回路

Publications (2)

Publication Number Publication Date
JPS63269605A JPS63269605A (ja) 1988-11-07
JPH046123B2 true JPH046123B2 (fr) 1992-02-04

Family

ID=14363332

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10379587A Granted JPS63269605A (ja) 1987-04-27 1987-04-27 ワンタ−ンル−プ共振回路

Country Status (2)

Country Link
JP (1) JPS63269605A (fr)
WO (1) WO1988008622A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5616540A (en) * 1994-12-02 1997-04-01 Illinois Superconductor Corporation Electromagnetic resonant filter comprising cylindrically curved split ring resonators
US5629266A (en) * 1994-12-02 1997-05-13 Lucent Technologies Inc. Electromagnetic resonator comprised of annular resonant bodies disposed between confinement plates
NL1010457C2 (nl) * 1998-11-03 2000-05-04 Nedap Nv Grote lusantennes.
US6894584B2 (en) 2002-08-12 2005-05-17 Isco International, Inc. Thin film resonators

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2840178A1 (de) * 1978-09-15 1980-03-27 Philips Patentverwaltung Magnetspulenanordnung zur erzeugung von linearen magnetischen gradientenfeldern
DE3131946A1 (de) * 1981-08-12 1983-03-17 Siemens AG, 1000 Berlin und 8000 München "hochfrequenz-magnetsystem in einer einrichtung der kernspinresonanz-technik"
DE3133432A1 (de) * 1981-08-24 1983-03-03 Siemens AG, 1000 Berlin und 8000 München Hochfrequenzfeld-einrichtung in einer kernspinresonanz-apparatur

Also Published As

Publication number Publication date
WO1988008622A1 (fr) 1988-11-03
JPS63269605A (ja) 1988-11-07

Similar Documents

Publication Publication Date Title
US5045825A (en) Coupling port for multiple capacitor, distributed inductor resonator
US5146235A (en) Helical uhf transmitting and/or receiving antenna
US7515115B2 (en) Antenna manufacture including inductance increasing removal of conductive material
EP0112361B1 (fr) Transducteur a haute frequence et son procede d'utilisation
US4270128A (en) Radio antennae
US4746866A (en) High-frequency coil system for a magnetic resonance imaging apparatus
US20040263409A1 (en) Coaxial inductor and dipole EH antenna
JPS6349149A (ja) 磁気共鳴装置
JPH0217037A (ja) 対称な高周波アンテナの作動装置
US5585721A (en) Inductively coupled dedicated RF coils for MRI
US5172085A (en) Coaxial resonator with distributed tuning capacity
EP1332535B1 (fr) Dispositif d'antenne
US7135866B2 (en) Multifrequency power circuit and probe and NMR spectrometer comprising such a circuit
AU2002215265A1 (en) An antenna device
JPH046123B2 (fr)
US5932522A (en) Superconducting radio-frequency bandstop filter
JP3628025B2 (ja) 磁気共鳴装置用のｒｆコイル配置
JP2004266482A (ja) アンテナ装置
JP2005020228A (ja) アンテナ装置
JPS63286008A (ja) ２周波共用アンテナ
JP4041293B2 (ja) 多重共鳴用ｎｍｒプローブ
JPH0766616A (ja) 通信用アンテナ
Paunovic et al. Broadband RC-loaded microwave cylindrical antenna with approximately real input admittance
JPS62213303A (ja) アンテナ装置
JPH0446727Y2 (fr)