Patent ID: 7620970

Claim:
A cable television system, comprising: a mobile communication terminal mounted on a movable object; a plurality of relay apparatuses installed in respective service areas, and connected to one another through a communication line, said relay apparatuses having respective original contents concerning a cable television service, and being operative to transmit said original contents to one another through said communication line; and a center apparatus connected with each of said relay apparatuses through said communication line, said center apparatus being operative to deliver common contents concerning a cable television service to said relay apparatuses through said communication line, and in which said mobile communication terminal is capable of establishing, by wireless, a connection with a relay apparatus installed in a service area which said movable object is in, and transmits a log-in request to said relay apparatus installed in a service area which said movable object is in, said relay apparatus receives said log-in request from said mobile communication terminal, and transmits user identification information of said mobile communication terminal and specifying information of said relay apparatus which has received said log-in request, said center apparatus transmits authentication information to said relay apparatus, which has transmitted said specifying information, when said user identification information is valid, upon receiving said specifying information, said relay apparatus, which has received said authentication information from said center apparatus, starts a cable television service for said mobile communication terminal on the basis of said authentication information, when said mobile communication terminal transmits a request for delivering common contents to said relay apparatus installed in a service area which said movable object is in, said relay apparatus, installed in a service area which said movable object is in, transmits a request for delivering common contents to said center apparatus, upon receiving said request for common contents from said mobile communication terminal, said center apparatus delivers said common contents to said mobile communication terminal through said relay apparatus installed in a service area which said movable object is in, and store therein and manage delivery history information indicative of a history of delivering contents, in response to said request for delivering common contents, said relay apparatus, which has original contents concerning a cable television service subscribed by a user, delivers said original contents to said mobile communication terminal through said relay apparatus installed in a service area which said movable object is in, when said mobile communication terminal transmits a request for delivering said original contents to said relay apparatus installed in a service area which said movable object is in.