| 摘要 |
PURPOSE:To provide the multi-address communication system for enabling communication even to a slave station in a radio area provided with no representative slave station. CONSTITUTION:This system is composed of lines 11-13 for general communication, a line 12 for multi-address communication, and plural transmitters/receivers 14-1 to 14-3 provided corresponding to respective plural radio areas. In the case of multi-address communication, the line 12 for multi-address communication and the plural transmitters/receivers 14-1 to 14-3 are connected corresponding to a control signal, and the multi-address communication is executed with slave stations 5-1 to 5-5 existent in plural radio areas 6-1 to 6-3. For example, the slave station 5-1 in the radio area 6-1 is defined as the representative slave station, and the other slave stations 5-2 to 5-5 execute only the reception. |
