| 摘要 |
PURPOSE:To improve the transmission efficiency by separating a data transmission medium into a channel to send a code data and a channel to send an image data. CONSTITUTION:Various terminal equipments 1-6 using a code data or an image data as processing object are connected mutually by a transmission line 10 as a transmission medium and the transmission line 10 consists of two channels, a code data channel 11 used to send the code data and the image data channel 12 used to send the image data. Thus, the code data and the image data are sent independently, then a disadvantage that the code data transmission disabled because the transmission medium is occupied for a long time by the transmission of the image data is avoided and it is possible to adopt the data transmission method coincident with the property of each data. Thus, efficient data transmission is attained.
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