| 摘要 |
PURPOSE:To effectively send plural kinds of data through the use of one and same public line. CONSTITUTION:At least picture data and voice data are mixed in time division multiplex at a mixer 16A and sent via a MODEM 20A and a general public line 3. A MODEM 20B decodes reception data at a receiver side, a divider 31B is used to separate data, picture data are displayed by a display device 32B and voice data are outputted to a voice output device 34B. Since at least picture data and voice data are simultaneously sent through one and same line, talking is attained while observing a same picture.
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