SIMPLIFIED RADIO DATA COMMUNICATION SYSTEM

摘要

PURPOSE:To receive a data desired to receive by requesting the type of the data desired to receive to an exchange station and allowing the exchange station to form and transmit a code to be set to a radio terminal device based on a radio terminal number and the type of the data thereby causing the terminal device to convert the code into a receivable number. CONSTITUTION:A subscriber desiring to receive the service sets a line from a telephone set 1 until a control exchange 3 via a subscriber exchange 2. The exchange 3 connects a receiver 4 and a talkie device 5, and when the subscriber dials the umber of the radio terminal device 10 possessed by the subscriber and the type of the data desired to be received, its number is received 4 and a required command tone is transmitted from the device 5. When the subscriber makes dialing in accordance with the command, a CPU6 of the exchange 3 accesses a memory 7, forms the code to be set to the terminal device based on the number of the terminal device 10 and the type of the requested data and transmits the code while adding various data from a data center 8 to a radio transmission station 9. The terminal station 10 receives it and converts the code into a selecting code by a prescribed converting method and receives only the data of the selecting code.