Patent ID: 8086736

Claim:
A data transmission/reception system comprising: a user terminal, that is used by a user inside a moving vehicle, which transmits data to and receives data from an outside server that is outside the moving vehicle, by way of a communication network; and an on-board server established inside said moving vehicle, wherein said on-board server comprises: a communication state determination means for determining whether said on-board server is in a state that allows communication with said outside server that is outside the moving vehicle; data saving means for temporarily saving said data transmitted and received by said user terminal that is used by a user inside said moving vehicle, said user terminal transmits to and receives data from said outside server, by way of a communication network; said on-board server configured to include a standby state for continuing to temporarily save said data when said communication state determination means determines that said outside server is in a state that does not allow communication, wherein said data are temporarily saved regardless of said state determined by said communication state determination means; and a data transmission/reception means for carrying out transmission and reception of said data temporarily saved by said data saving means by way of the communication network, when said communication state determination means determines that said data transmission/reception means is in a state that allows communication with said outside server, and when transmission or reception of said data with said outside server is interrupted, said data transmission/reception means stops transmitting or receiving said data while continuing to store said data until said communication state determination means re-determines that said data transmission/reception means is in a state that allows communication with said outside server.