A network system, a network server and a terminal device, capable of easily and surely transmitting various information to a user being the destination of the information. The terminal device to be used by a user is recorded in the network server 22. The network server 22 converts information to be transmitted...http://www.google.com/patents/US7111064?utm_source=gb-gplus-sharePatent US7111064 - Network system, network server and terminal device
