| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a non-contact power transmission apparatus capable of providing both safety at power transmission and reliability in communication, in such a configuration that power transmission and data communication are performed at the same time even in using the same frequency band. <P>SOLUTION: Safety in power transmission, such as protection of equipment and prevention of electromagnetic wave radiation to surrounding environment, is satisfied by prohibiting the start of power transmission or stopping power transmission if the following conditions occur: when ID authentication for the target of power transmission fails; when a foreign matter containing a magnetic material or a conductive body present near equipment is detected; when the position of power receiving side equipment is not appropriate; when removal of power receiving side equipment during power transmission is detected; or when charging is completed. When no power transmission is performed, the electric power to be transmitted is controlled to control the output of electromagnetic wave so that only data communication can be executed. <P>COPYRIGHT: (C)2011,JPO&INPIT |
