| 摘要 |
PURPOSE: A blinking guideboard is provided to guide a visitor to easily reach to a target room using a short distance wireless communication technique. CONSTITUTION: A visitor presses the switch(110) of a target room on the switch box of an information desk. A blinking signal oscillating circuit(120) transmits a blinking signal to an intermediate guideboard and a target room guideboard. The blinking signal receiving circuits of the intermediate guideboard and the target room guideboard receive the blinking signal and blinks light emitting diode lamps for a pre-set period of time. |
