Patent ID: 7516207

Claim:
A data communication system comprising: a client computer and a server being configured to communicate data with each other, wherein said client computer comprises: a service selecting device for selecting service; a service data transmitting device for transmitting service data representing service selected by said service selecting device; and a first font transmitting unit for transmitting font information data representing fonts which are stored on said client computer and configured to be output at said client computer, and wherein said server comprises: a service data receiving device for receiving the service data that has been transmitted from said service data transmitting device; a first receiving unit for receiving the font information data that has been transmitted from said first font transmitting unit of said client computer; a font search unit for finding a font file of the service represented by the service data received by said service data receiving device from font files corresponding to services and for searching for fonts, which are stored on said client computer and configured to be output at said client computer, from the found font file, on the basis of fonts represented by the font information data that has been received by said first receiving unit; and a second font transmitting unit for transmitting font information data representing the fonts, which have been found by said font search unit, to said client computer.