Patent ID: 6848079

Claim:
A document conversion system connecting a first computer having document data and a second computer using said document data through a network, said system comprising: a repeater computer, wherein said repeater computer sends to said first computer a request for transferring said document data when a request for transferring partial document data contained in said document data is received from said second computer, wherein said request for transferring said document data is created and output by said repeater computer based solely on information provided in said request for transferring said partial document data, and wherein said repeater computer extracts said partial document data from said document data and sends said partial document data to said second computer when said document data is received from said first computer, wherein said partial document data, as extracted by said repeater computer, is processed by an application program running on said second computer, without any modification of said partial document data; wherein said repeater computer comprises a document data conversion section, wherein said document data conversion section retrieves and stores position information on said partial document data in said document data from said transfer request for partial document data received from said second computer, and wherein said document data conversion section extracts said partial document data at a position corresponding to said position information said document data received from said first computer.