Patent ID: 7010587

Claim:
A data communication system comprising: a client computer and a server being capable of communicating data with each other, wherein said client computer includes a first font transmitting unit for transmitting font information data representing fonts which are stored on said client computer and capable of being output at said client computer; and wherein said server comprises: 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 searching for fonts, which are stored on said client computer and capable of being output at said client computer, from among fonts capable of being output at said server, 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, wherein said client computer further comprises a font name display device that displays a font name represented by the font information data transmitted from said second font transmitting unit of said server, and wherein said second font transmitting unit transmits said font information data representing the fonts, which have been found by said font search unit, to said client computer for display by said font name display device of said client computer to a user such that said user can selectively create documents using said fonts which have been determined to be stored on said client computer, which have been determined to be capable of being output at said client computer, and which have been determined to be capable of being output at said server.