| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a contactless charging system easy to use, and power consumption suppression and safety measures being taken into consideration, an electronic device used in the system, a contactless charger, and a battery pack for an electronic device. <P>SOLUTION: The battery pack 400 uses a battery cell 160 as a power supply chargeable by the contactless charger 200 for charging in a contactless system and mountable on a mobile phone 100. When charge of the battery cell 160 is completed, the mobile phone 100 generates a full-charge command indicating that the contactless charger 200 is transitioned to a charge stop state where the mobile phone 100 is not charged. The battery pack 400 includes the battery cell 160 and a coil 177 for sending the full-charge command to the contactless charger 200. <P>COPYRIGHT: (C)2010,JPO&INPIT |
