发明名称 |
MR INVOLVING HIGH SPEED COIL MODE SWITCHING BETWEEN I-CHANNEL LINEAR, Q-CHANNEL LINEAR, QUADRATURE AND ANTI-QUADRATURE MODES |
摘要 |
Hybrid circuitry (40, 40', 40'') for operatively coupling a radio frequency drive signal (70) with a quadrature coil (30) is configurable in one of at least two coil modes of a group consisting of: (i) a linear I channel mode in which an I channel input port (42) is driven without driving a Q channel input port (44); (ii) a linear Q channel mode in which the Q channel input port is driven without driving the I channel input port; (iii) a quadrature mode in which both the I and Q channel input ports are driven with a selected positive phase difference; and (iv) an anti quadrature mode in which both the I and Q channel input ports are driven with a selected negative phase difference. A temporal sequence of the at least two coil modes may be determined and employed to compensate for B inhomogeneity.
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申请公布号 |
US2009201019(A1) |
申请公布日期 |
2009.08.13 |
申请号 |
US20070297658 |
申请日期 |
2007.04.03 |
申请人 |
KONINKLIJKE PHILIPS ELECTRONICS N. V. |
发明人 |
ZHAI ZHIYONG;DEMEESTER GORDON D.;MORICH MICHAEL A.;HARVEY PAUL R. |
分类号 |
G01R33/34;G01R33/48 |
主分类号 |
G01R33/34 |
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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