发明名称 Teleconference module
摘要 The invention refers to a teleconference module for exchanging pictures with an opposite communicating equipment through a communication circuit, comprising: communication control means for transmitting and receiving video data through a digital communication channel; a picture codec which decodes a picture signal from said video data received by said communication control means and then delivers said picture signal as an external output, and which codes an input picture signal to-be-coded into said video data and then transfers siad video data to said communication control means; a camera which can photograph an external subject, and by which a picture signal produced by photographing is transferred as said picture signal to-be-coded to said picture codec; and a box-shaped housing in which said communication control means, said picture codec and said camera are housed. <IMAGE>
申请公布号 EP0778704(A2) 申请公布日期 1997.06.11
申请号 EP19970102250 申请日期 1992.07.14
申请人 HITACHI, LTD. 发明人 SHIBATA, YOJI;TAKIZAWA, MASAAKI;MATSUSHIMA, HITOSHI;ISHIDA, KIYOSHI;YOSHIDA, ATSUO;ISHIBASHI, ATSUSHI;YAMADA, TAKEHIKO
分类号 H04N7/14;H04N7/15 主分类号 H04N7/14
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