Patent ID: 8073898

Claim:
A display device for displaying information related to broadcast contents acquired through a communication line, comprising: a transmitter configured to transmit a retrieval key to a list information providing server, the retrieval key including a target input time or a designated time zone; a receiver configured to receive list information according to said retrieval key from the list information providing server; a display configured to display the list information received by said receiver from the list information providing server, the list information including a first and a second directive item; and a selector configured to select a display type mode for the list information of the broadcast contents, the display type mode being a program list display mode or a time zone list display mode, so that the retrieval key includes the target input time or the designated time zone, and for selecting the first or the second directive item on the display, wherein said transmitter is configured to transmit the retrieval key to retrieve the list information corresponding to the first and the second directive item that correspond to a program scheduled to broadcast before and after the target input time, respectively, or a program scheduled to broadcast in a time zone before and after said designated time zone, respectively, and the first directive item being a user-selectable item for requesting display of list information of broadcast contents scheduled to broadcast before the target input time, or broadcast contents scheduled to broadcast before said designated time zone, and the second directive item being a user-selectable item for requesting display of list information of broadcast contents scheduled to broadcast after the target input time, or broadcast contents scheduled to broadcast after said designated time zone, wherein if the first or second directive item is selected by the selector, the transmitter transmits a second retrieval key to the list information providing server including a target time or a designated time zone according to the selected first or second directive item.