Patent ID: 7212989
Filing Date: 2007-05-01
Classification: G06Q,G07B

Abstract:
1. A vehicle-mounted communication device comprising: transmitting/receiving means provided for wireless communication of information with road-side communication means located at a road side; relay means that relays encryption information, received from the road side by said transmitting/receiving means, to an IC card and that relays output information encrypted by the IC card to the transmitting/receiving means, in an undecoded state, the IC card includes a) storage means that stores user information regarding a user for charge-processing, b) encryption means that encrypts the output information which is based on the user information and outputs the encrypted output information, and that decodes encrypted input information relating to the user information, and c) output means that transmits a portion of the output information in a state without being encrypted; information display means that displays information; and encryption information storage means in which the encryption information is temporarily stored, wherein the transmitting/receiving means stores the encryption information in the encryption information storage means and transmits the encryption information stored in the encryption information storage means as it is, and the information display means receives and displays the portion of the output information, which is output from the output means in the state without being encrypted.