| 摘要 |
PURPOSE:To attain multiple address communication in the same method as one-to-one communication by providing a means to decode the transmission picture information that is compressed then stored and to changeover the information decoded prior to the process of a line-density converting part and the picture information obtained from a read processing part. CONSTITUTION:The picture information 12 read by the read processing part 11 passes the upper route of a changeover part 34, and is processed by the line-density converting part 26 using the original-width information from an original width detecting part 22. The resulting picture information 35 is removed of its redundancy by an information compressing part 13. The picture information after the said compression 15 is stored in a memory device 14. During the multiple address communication, the picture information 31 from the memory 14 is converted by an information reforming part 32 to the form of a picture information 33 which is the same as the picture information 35. The information 33 passes the lower route of the changeover part 34, and is supplied to the line-density converting part 26 to be processed and is made compatible with the function of the counterpart of communication. And thereafter, the information compressing part 13 eliminates the redundancy of the information 33 with a compression mode that fits to the said function of the counterpart. The resulting transmission picture information 18 is transmitted to the communication line 21 via a modem 19.
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