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发明名称
System for converting two-level signal to three-bit-coded digital signal
摘要
申请公布号
US3394312(A)
申请公布日期
1968.07.23
申请号
US19650485769
申请日期
1965.09.08
申请人
BELL TELEPHONE LABORATORIES INCORPORATED
发明人
PFEIFFER SIGMUND B.;YAEGER ROBERT E.
分类号
H04L25/493
主分类号
H04L25/493
代理机构
代理人
主权项
地址
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