Patent ID: 6178454
Filing Date: 2001-01-23
Classification: G06Q,H04L

Abstract:
A data communication method, comprising:transmitting and receiving first data via a first communication network; andtransmitting and receiving second data whose secrecy is higher than that of said first data, via a second communication network whose security is higher than that of said first communication network, said second data relating to said first data,wherein said transmitting and receiving said first data includes a first data communication device notifying a second data communication device, via said first communication network, that said first data communication device transmits said second data to said second data communication device via said second communication network, andwherein said transmitting and receiving said second data includes:connecting said first data communication device to said second communication network,connecting said second data communication device to said second communication network, andtransmitting said second data from said first data communication device to said second data communication device via said second communication network.