Patent ID: 7228413
Filing Date: 2007-06-05
Classification: G06Q,H04H,H04N

Abstract:
1. A data stream transmission and reception method for receiving data from a transmitting end, in accordance with a reception contract, by plural receivers that have individual ID numbers and belong to the same group, said transmitting end assigning the same group ID number to the plural receivers, and managing the reception contract on the basis of the individual ID numbers or the group ID number, said method comprising: notifying the transmitting end of the individual ID number possessed by a first receiver among the plural receivers that belong to the same group; notifying the transmitting end of ID information that can identify a service with which the first receiver tries to make a reception contract; notifying the transmitting end of the individual ID numbers possessed by one or plural receivers that belong to the same group as the first receiver, and that the one or plural receivers belong to the same group as the first receiver; assigning the same group ID number to the first receiver and the first or plural receivers by the transmitting end that has received the notification; inputting the ID information of the service with which the first receiver makes a reception contract, to the first or plural receivers; and wherein said first individual ID number notification further comprises notifying the transmitting end of a telephone line number that is connected to the first receiver; and in said additional individual ID number notification, the one or plural receivers belong to the same group as the first receiver, and are connected by the same telephone line as the first receiver; said notifying the transmitting end of a telephone line number comprising: notifying the transmitting end of the individual ID number and the group ID number possessed by at least the self receiver, from each receiver, through the telephone number line connected to the corresponding receiver at predetermined time intervals; and collating individual ID numbers, group ID numbers, and telephone line numbers which have already been held by the transmitting end, with the individual ID numbers and the group ID number that are notified from the telephone line number at the predetermined time intervals, with respect to the plural receivers that belong to the same group.