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发明名称
VIDEO TELEPHONE EMPLOYING PULSE WIDTH MODULATION FOR DATA TRANSMISSION
摘要
申请公布号
EP0533671(A4)
申请公布日期
1993.05.12
申请号
EP19900911103
申请日期
1990.06.19
申请人
PERELMAN, FRANK, M
发明人
PERELMAN, FRANK, M
分类号
H04M11/06;H04N5/04;H04N7/14;H04N7/24;(IPC1-7):H04N1/42;H04N7/12
主分类号
H04M11/06
代理机构
代理人
主权项
地址
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