| 摘要 |
PROBLEM TO BE SOLVED: To provide a noncontact power transmitter which can eliminate inconvenience that occurs when the user uses an object composed of two plane coils as a transformer for power transmission and can perform the communication for check of the other party of power transmission, using the transformer for power transmission. SOLUTION: This power transmitter detects the foreign matter to a primary coil 12 which constitutes the transformer 3 for power transmission and detects the improper positioning of the primary coil 12 and a secondary coil 21, and informs the user of that effect by an indicator when there is detection of it. Moreover, this checks (certifies) by communication whether a transmitter 1 and a receiver 2 are regular ones or not, and the transmitter 1 does not start full-scale power transmission to the receiver 2 not until finish of its check. COPYRIGHT: (C)2006,JPO&NCIPI
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