| 摘要 |
PROBLEM TO BE SOLVED: To improve the convenience of a beacon device.SOLUTION: The beacon device includes a battery, a beacon transmission section, a detection section, and a notice section. In the beacon device, the battery supplies electric power; the beacon transmission section transmits a beacon signal using the electric power supplied by the battery; the detection section detects the presence/absence of an object to be detected and supplies a detection result; and the notice section makes a notification of the residual quantity of the battery on the basis of the detection result detected by the detection section. |
