JPH0243494B2 - - Google Patents
Info
- Publication number
- JPH0243494B2 JPH0243494B2 JP57233506A JP23350682A JPH0243494B2 JP H0243494 B2 JPH0243494 B2 JP H0243494B2 JP 57233506 A JP57233506 A JP 57233506A JP 23350682 A JP23350682 A JP 23350682A JP H0243494 B2 JPH0243494 B2 JP H0243494B2
- Authority
- JP
- Japan
- Prior art keywords
- control voltage
- tuning
- magnetic resonance
- value
- reception
- 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
- 230000005540 biological transmission Effects 0.000 claims description 11
- 238000001208 nuclear magnetic resonance pulse sequence Methods 0.000 claims description 9
- 238000002595 magnetic resonance imaging Methods 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 5
- 230000005284 excitation Effects 0.000 claims description 5
- 238000003384 imaging method Methods 0.000 claims description 4
- 239000000523 sample Substances 0.000 description 17
- 239000003990 capacitor Substances 0.000 description 14
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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
- G01R33/36—Electrical details, e.g. matching or coupling of the coil to the receiver
- G01R33/3628—Tuning/matching of the transmit/receive coil
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57233506A JPS59122937A (ja) | 1982-12-28 | 1982-12-28 | 磁気共鳴イメージング装置 |
DE8383113150T DE3374813D1 (en) | 1982-12-28 | 1983-12-27 | Nuclear magnetic resonance diagnostic apparatus |
US06/565,539 US4602213A (en) | 1982-12-28 | 1983-12-27 | Automatic tuning circuit for nuclear magnetic resonance apparatus |
EP83113150A EP0114405B1 (en) | 1982-12-28 | 1983-12-27 | Nuclear magnetic resonance diagnostic apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57233506A JPS59122937A (ja) | 1982-12-28 | 1982-12-28 | 磁気共鳴イメージング装置 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3187590A Division JPH0710254B2 (ja) | 1991-07-26 | 1991-07-26 | Mri装置の制御装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS59122937A JPS59122937A (ja) | 1984-07-16 |
JPH0243494B2 true JPH0243494B2 (zh) | 1990-09-28 |
Family
ID=16956091
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP57233506A Granted JPS59122937A (ja) | 1982-12-28 | 1982-12-28 | 磁気共鳴イメージング装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS59122937A (zh) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0741031B2 (ja) * | 1985-03-27 | 1995-05-10 | 株式会社日立製作所 | 核磁気共鳴を用いた検査装置 |
JPS6418050A (en) * | 1987-07-14 | 1989-01-20 | Mitsubishi Electric Corp | Receiving probe for nmr |
JPH0623992U (ja) * | 1992-04-21 | 1994-03-29 | 殖産住宅相互株式会社 | 建築材料用作業装置 |
US7423496B2 (en) * | 2005-11-09 | 2008-09-09 | Boston Scientific Scimed, Inc. | Resonator with adjustable capacitance for medical device |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5397894A (en) * | 1977-02-08 | 1978-08-26 | Jeol Ltd | High frequency circuit for nuclear magnetism resonance device |
-
1982
- 1982-12-28 JP JP57233506A patent/JPS59122937A/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5397894A (en) * | 1977-02-08 | 1978-08-26 | Jeol Ltd | High frequency circuit for nuclear magnetism resonance device |
Also Published As
Publication number | Publication date |
---|---|
JPS59122937A (ja) | 1984-07-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4602213A (en) | Automatic tuning circuit for nuclear magnetic resonance apparatus | |
US20030088181A1 (en) | Method of localizing an object in an MR apparatus, a catheter and an MR apparatus for carrying out the method | |
JP2007511331A (ja) | フェーズドアレイ膝部コイル | |
JP2010284525A (ja) | 磁気共鳴rf磁場計測のためのシステム、方法及び装置 | |
WO1987005201A1 (en) | Method of selective excitation in nmr imaging | |
JPH0243494B2 (zh) | ||
US6777935B2 (en) | MR method for generating navigator pulses | |
JPH04246327A (ja) | ダイナミックmrイメージング法 | |
EP0823640B1 (en) | Suppression of radiation damping in NMR | |
JPH0710254B2 (ja) | Mri装置の制御装置 | |
JPH0243495B2 (zh) | ||
JP2556085B2 (ja) | Mri装置 | |
JPS63270036A (ja) | 磁気共鳴イメ−ジング装置 | |
JP3246130B2 (ja) | Mrイメージング装置 | |
JPH0523317A (ja) | 磁気共鳴イメージング装置 | |
US20180095149A1 (en) | Magnetic resonance imaging system radio frequency subsystem and coil decoupling apparatus and methods used therein | |
JPH0454450B2 (zh) | ||
JPH09238921A (ja) | 磁気共鳴イメージング装置 | |
JP3170771B2 (ja) | 磁気共鳴イメージング装置用受信コイル | |
JPH0919414A (ja) | Mri装置 | |
JPH0479937A (ja) | 磁気共鳴イメージング装置 | |
JPH07265279A (ja) | 磁気共鳴イメージング装置 | |
US4661776A (en) | Nuclear magnetic resonance diagnostic apparatus | |
JPH0530462B2 (zh) | ||
JPH01129842A (ja) | 核磁気共鳴イメージング装置 |