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发明名称
VIDEO TELEPHONE
摘要
申请公布号
CA2074540(A1)
申请公布日期
1993.01.25
申请号
CA19922074540
申请日期
1992.07.23
申请人
HITACHI, LTD.
发明人
ISHIDA, KIYOSHI;GOTO, HIROSHI
分类号
H04M11/06;H04N7/14;H04N7/24;H04N7/60;H04Q11/04;(IPC1-7):H04M11/06;H04L12/52
主分类号
H04M11/06
代理机构
代理人
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地址
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