JPH0546509B2 - - Google Patents
Info
- Publication number
- JPH0546509B2 JPH0546509B2 JP59195450A JP19545084A JPH0546509B2 JP H0546509 B2 JPH0546509 B2 JP H0546509B2 JP 59195450 A JP59195450 A JP 59195450A JP 19545084 A JP19545084 A JP 19545084A JP H0546509 B2 JPH0546509 B2 JP H0546509B2
- Authority
- JP
- Japan
- Prior art keywords
- antenna
- loop
- receiving
- saddle
- frequency power
- 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
- 239000003990 capacitor Substances 0.000 description 15
- 230000005684 electric field Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000001939 inductive 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
- G01R33/34—Constructional details, e.g. resonators, specially adapted to MR
- G01R33/34046—Volume type coils, e.g. bird-cage coils; Quadrature bird-cage coils; Circularly polarised coils
- G01R33/34069—Saddle 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
- G01R33/32—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)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59195450A JPS6173061A (ja) | 1984-09-17 | 1984-09-17 | Nmr信号送・受信用アンテナ |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59195450A JPS6173061A (ja) | 1984-09-17 | 1984-09-17 | Nmr信号送・受信用アンテナ |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6173061A JPS6173061A (ja) | 1986-04-15 |
| JPH0546509B2 true JPH0546509B2 (de) | 1993-07-14 |
Family
ID=16341265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59195450A Granted JPS6173061A (ja) | 1984-09-17 | 1984-09-17 | Nmr信号送・受信用アンテナ |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6173061A (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2671364B2 (ja) * | 1988-04-05 | 1997-10-29 | 株式会社日立製作所 | 核磁気共鳴を用いた検査装置 |
| DE602005002501T2 (de) * | 2004-07-13 | 2008-06-19 | TDK Corp., Ichikawa | PxM-Antenne für leistungsstarke, breitbandige Anwendung |
| JP5182742B2 (ja) * | 2007-08-14 | 2013-04-17 | 株式会社 Jeol Resonance | Nmr検出器 |
| CN105223526A (zh) | 2015-09-25 | 2016-01-06 | 沈阳东软医疗系统有限公司 | 一种射频发射线圈阻抗匹配电路及方法 |
-
1984
- 1984-09-17 JP JP59195450A patent/JPS6173061A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6173061A (ja) | 1986-04-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP3296189B2 (ja) | アンテナ装置 | |
| JP3185233B2 (ja) | 携帯無線機用小型アンテナ | |
| US8125208B2 (en) | Transformer device utilizing an air gap for non-contact energy transmission from the primary side to the secondary side | |
| US6956535B2 (en) | Coaxial inductor and dipole EH antenna | |
| US5346300A (en) | Back fire helical antenna | |
| KR100291156B1 (ko) | 무지향성방사패턴의소형나선형안테나 | |
| JPH08148949A (ja) | 高周波増幅器 | |
| US5559524A (en) | Antenna system including a plurality of meander conductors for a portable radio apparatus | |
| US3581311A (en) | Linearly polarized microwave feed assembly for parabolic antennas and the like | |
| KR20010106460A (ko) | 안테나 장치 | |
| JPH09294013A (ja) | アンテナ装置 | |
| JPH0546509B2 (de) | ||
| US4630061A (en) | Antenna with unbalanced feed | |
| US7084825B2 (en) | Antenna and electronic device using the same | |
| US3942119A (en) | Multiple-transmission-channel active antenna arrangement | |
| US5751255A (en) | Electrically small receiving antennas | |
| JP2001036328A (ja) | Am・fm帯受信用アンテナ | |
| CN212366201U (zh) | 一种偶极子天线 | |
| CN112072290B (zh) | 一种偶极子天线 | |
| EP0403579A4 (en) | Antenna with impedance matching member | |
| US3821655A (en) | High frequency amplifier | |
| KR200205639Y1 (ko) | 무선통신기기의 안테나 연결부재 | |
| JP2000196337A (ja) | アンテナ装置 | |
| JPS61125205A (ja) | 短縮アンテナ | |
| JP4023369B2 (ja) | ダイポールアンテナ |