| 摘要 |
PROBLEM TO BE SOLVED: To allow a viewer to obtain desired program information in a short time interval by setting a transmission period of program information of a day with high necessity shorter than program information of other days among daily weighted program information. SOLUTION: Viewers mostly require program information on that day and then the necessity is lower in the order of next day, three after that day,.... Thus, the transmission period is set shorter in the order of higher necessity and the sequence of transmission of the program information is selected so that the program information with higher necessity is frequently sent to terminals through provision of weighting to weekly program information depending on the necessity. That is, program information (a) on that day with the highest necessity by viewers is inserted to transmission of program information by 3 days, then program information (b) of next data with the 2nd highest necessity is inserted to transmission of program information by 4 days, and program information on three days after that day is sequentially transmitted in between. Thus, viewers can obtain the program information frequently in the order of higher necessity so that a time to obtain the program information can remarkably be reduced. |
