Patent ID: 7228122
Filing Date: 2007-06-05
Classification: B60R,G07C,H04L,H04M

Abstract:
1. A portable instruction terminal, comprising: ID information input means for accepting an input of user ID information; ID judging means for judging whether or not said user ID information that is inputted through said ID information input means is identical to pre-registered ID information which has been already registered in the portable instruction terminal; authentication information transmission permitting means for permitting transmission of sender authentication information to a control device which controls a control target device, if said ID judging means judges that said user ID information is identical to the pre-registered ID information, said sender authentication information being used for allowing said control device to authorize said portable instruction terminal, wherein said authentication information transmission permitting means further decides whether or not to permit the transmission of said sender authentication information to said control device, in accordance with a request signal sent from said control device; and authentication information transmitting means for sending said sender authentication information to said control device, if said authentication information transmission permitting means permits the transmission of said sender authentication information, wherein the control device is a vehicle-mounted control device for controlling a vehicle-mounted device as the control target device.