| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a band-type attachment device that enables efficient execution of charging of the device in itself and charging of a terminal at a connection destination.SOLUTION: A band-type attachment device 1 makes a body portion 2 assume an annular shape when a receptacle portion 3 and a plug portion 4 are coupled together. In the band-type attachment device 1, an on-state and an off-state of a second circuit 7 are switched depending on a state of connection between the receptacle portion 3 and the plug portion 4 so that charging of a battery portion 5 of the device in itself can be efficiently performed depending on connection destinations for the receptacle portion 3 and the plug portion 4, including the state of coupling the receptacle portion 3 and the plug portion 4 together.</p> |
