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发明名称
VIDEO CONFERENCE SYSTEM
摘要
申请公布号
JPH04103285(A)
申请公布日期
1992.04.06
申请号
JP19900218976
申请日期
1990.08.22
申请人
NEC CORP;NEC ENG LTD
发明人
WAKITA KAZUTAKA;ONAKA TOSHIYUKI
分类号
H04N5/232;H04N7/15
主分类号
H04N5/232
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代理人
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