| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a wireless power transmission system, a power transmission apparatus and a rectenna base station that more efficiently match a phase when a microwave transmitted from each power transmission apparatus is received by the rectenna base station without causing an increase in circuit scale, and suppress a reduction in power transmission efficiency in the event of an anomaly in each power transmission apparatus. <P>SOLUTION: Not only a calculation is performed by a REV method using a radio field strength of a microwave received by a monitor antenna 25 of a rectenna base station 4 to adjust the phase of a power transmission apparatus 1, but also a measurement result by the REV method is used for anomaly detection in the power transmission apparatus 1 to suppress an increase in circuit scale, and power supply to the failed power transmission apparatus 1 is stopped by a distribution section 32 to avoid a reduction in efficiency of the overall system. <P>COPYRIGHT: (C)2013,JPO&INPIT |
