INSERTION SYSTEM BY BROADCAST PROGRAM SUBSCRIBER

摘要

PURPOSE:To improve the service performance of the broadcast system by inserting only a message estimated to be valid to each recipient to program information and delivering the resulting information to remarkably reduce the opportunity of the recipient receiving an undesired message. CONSTITUTION:When personal information Ii of each recipient 31 is registered to a personal information database 26, a control section 24 decides commercial information CMj estimated to be valid for the recipient 31. When program information B is inserted to the commercial information CMj and the resulting information is sent to a CM database 27, the control section 24 adds names of recipients 31. registered already corresponding to the commercial information CMj to the CM database 27 and informs a changeover section 25a of the result. Then a telephone number Dj1 of the recipient 3j1 to be added is used as destination information and it is added to the commercial information CMj processed into a cell and the resulting information is sent to an ATM exchange network 1 through the changeover section 25a. Thus, each recipient 3 receives only the commercial information CM estimated to be valid.