Patent ID: 7496502

Claim:
An information providing system comprising: a first server for obtaining information from a database managed by a second server; a portable information equipment capable of two-way communication with the first server, the portable information equipment having a first display portion; and a display device for receiving information from the first server, the display device having a second display portion, wherein the portable information equipment sends an identification signal to the display device by an electromagnetic wave, wherein the portable information equipment sends an identification signal of the display device to the first server, wherein the portable information equipment sends a search signal to the first server, wherein the first server sends the search signal to the second server and conducts a search to the database managed by the second server based on the search signal, receives information obtained by the search from the second server, and sends the information to the display device, wherein the display device displays the information on the second display portion of the display device, wherein the display device is mounted on means for transportation, and wherein the display device has a unit for detecting the electromagnetic wave sent from the portable information equipment.