发明名称 |
Radio-frequency receiver unit for a magnetic resonance apparatus |
摘要 |
In a radio-frequency receiver unit for a magnetic resonance apparatus, a reception antenna is connected to an input of a noise-matched field-effect transistor preamplifier with a low input impedance. The reception antenna is connected with a detuning stage. The RF receiver unit has a noise suppression stage that can be activated when the reception antenna is detuned.
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申请公布号 |
US6160400(A) |
申请公布日期 |
2000.12.12 |
申请号 |
US19980102609 |
申请日期 |
1998.06.23 |
申请人 |
SIEMENS AKTIENGESELLSCHAFT |
发明人 |
FRIEDRICH, AXEL;GREIM, HELMUT;KREISCHER, LUDWIG;WANG, JIANMIN |
分类号 |
A61B5/055;G01R33/36;(IPC1-7):G01R33/20;G01V3/00 |
主分类号 |
A61B5/055 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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