发明名称 MULTIPOINT MOVING IMAGE ENCODING AND DECODING DEVICE
摘要 <p>PURPOSE:To realize mutual communication of moving images with plural points without requiring the dedicated connecting device and with only one decoder. CONSTITUTION:The device is provided with encoders 403a-403d performing the packet encoding processing of the moving images for each block and multipoint picture decoders 404a-404d receiving and decoding packets which are sent from the encoders at the other plural points in succession. The multipoint picture decoder is provided with a picture processing section 413 processing each picture in time division, channel switching control section 412 discriminating the transmission source of the packet based on the reception packet and notifying the picture processing section 413 of it, shared frame memory 414 storing the picture from plural terminals, and display frame memory section 415 synchronously output each picture.</p>
申请公布号 JPH066781(A) 申请公布日期 1994.01.14
申请号 JP19920162517 申请日期 1992.06.22
申请人 HITACHI LTD 发明人 SHIBATA KOICHI;KINOSHITA TAIZO
分类号 H04N19/00;H04L12/951;H04N7/15;H04N19/107;H04N19/126;H04N19/139;H04N19/166;H04N19/176;H04N19/42;H04N19/423;H04N19/436;H04N19/46;H04N19/503;H04N19/51;H04N19/60;H04N19/61;H04N19/70;H04N19/91;H04N21/426 主分类号 H04N19/00
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