Patent ID: 8532463

Claim:
A network system provided in a user end for receiving television programs, said network system comprising: a plurality of reservation devices connected to the network system in the user end; and at least one recording device connected to the network system in the user end, wherein each respective reservation device, of the plurality of reservation devices, performs at least one program selection method of a plurality of different program selection methods, each program selection method, of the plurality of different program selection methods, having a specific function for carrying out television program reservations and producing a program reservation instruction in one format of a plurality of formats intrinsic to each program selection method of the plurality of different program selection methods, wherein the at least one recording device comprises: a common reservation code generator operable to generate a predefined common reservation code in response to the program reservation instruction in the one format of the plurality of formats produced and sent from any reservation device of the plurality of reservation devices; and a memory operable to sequentially receive and store program reservation instructions produced by the plurality of reservation devices together with the predefined common reservation codes generated by the common reservation code generator, and wherein, each respective reservation device of the plurality of reservation devices comprises: a request output device operable to output a reservation list request; a reservation instruction receiver operable to receive all of the program reservation instructions and the generated common reservation codes sent from the recording device based on the output reservation list request; a reading device operable to read only the generated common reservation codes; and a reservation list generator operable to generate a reservation list using the common reservation codes read by the reading device.