| 摘要 |
PURPOSE: To transmit article information, service information, etc., from a store to a user in real time by radio. CONSTITUTION: Transmission equipments 6 and 6b installed in stores 1 and 1b transmit special-sale information, time service information, etc., to send the real-time store information to a user 5 which has a reception equipment 3. The user 5 changes his or her place to obtain the information from the transmission equipments 6 and 6b in the stores 1 and 1b at different places. |
