| 摘要 |
Sharing an image processing device 33 such as a scanner, between a plurality of client computers 20, over a local area network, and using the TWAIN image processing program interface standard. Each of the clients 20 and the server 30, when they have similar operating systems, is provided with a network data management (NETWAIN) program 23, 31. When the application program 21 of the client instructs its TWAIN program 22: the TWAIN program 22 treats the NETWAIN CLIENT program 23 as a data source, and transfers the related instructions into the NETWAIN compatible device driver 24; thence through the network interface 40 to the NETWAIN SERVER program 31 of the server; then to the server side TWAIN program 34 which treats NETWAIN SERVER program 31 as its application program, and controls the image processing device 33 via interface 32. When the client and server computers have different operating systems, the server 30 has a PROPRIETARY NETWAIN SERVER program (36, fig. 5), but no TWAIN or other related programs.
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