Patent ID: 6617980
Filing Date: 2003-09-09
Classification: G01C,G08G

Abstract:
A terminal of a moving body comprising:a communication unit which performs bidirectional communication with a server provided at a location external thereto; a signal receiver which receives digital broadcasts; and a processing unit which receives answer information from the server in response to an inquiry from the terminal, via a digital broadcast, and displays the same; wherein the communication unit transmits to the server an inquiry including search demand information and current position information from the terminal; the communication unit receives from the server, signal receiving information including a broadcast channel for the answer information, a scheduled broadcast starting time, a scheduled broadcast ending time and a first signal receive ID for identifying the answer information; and the processing unit receives via the receiver, and via the broadcast channel, broadcast information having a signal receive ID coincident with the first signal receive ID, commencing the scheduled broadcast starting time.