发明名称 |
METHOD AND CIRCUIT ARRANGEMENT FOR OPERATING MULTI-CHANNEL TRANSMIT/RECEIVE ANTENNA DEVICES |
摘要 |
<p>A multi-channel transmit/receive antenna device or arrangement for use in a magnetic resonance imaging (MRI) system includes a power monitoring unit. To ensure that a specific absorption rate of a patient is not exceeded, transmitted power levels and reflected power levels on channels for a plurality of coils and/or coil segments are monitored. Each coil/coil segment is supplied with RF transmit signals with different amplitudes and/or phases and/or waveforms and/or power levels.</p> |
申请公布号 |
EP1878132(B1) |
申请公布日期 |
2012.03.28 |
申请号 |
EP20060765658 |
申请日期 |
2006.04.27 |
申请人 |
KONINKLIJKE PHILIPS ELECTRONICS N.V.;PHILIPS INTELLECTUAL PROPERTY & STANDARDS GMBH |
发明人 |
GRAESSLIN, INGMAR;VERNICKEL, PETER;LEUSSLER, CHRISTOPH |
分类号 |
H04B17/00;G01R33/00;G01R33/32;H04W52/34;H04W52/36 |
主分类号 |
H04B17/00 |
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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