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...http://www.google.com.tw/patents/US8099059?utm_source=gb-gplus-share專利 US8099059 - Method and circuit arrangement for operating multi-channel transmit/recieve antenna devices
