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公开(公告)号:US3305646A
公开(公告)日:1967-02-21
申请号:US32335163
申请日:1963-11-13
Applicant: BELL TELEPHONE LABOR INC
Inventor: BRADY PAUL T , HELDER GEORGE K
IPC: H04B3/20
CPC classification number: H04B3/20
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公开(公告)号:US3483941A
公开(公告)日:1969-12-16
申请号:US3483941D
申请日:1968-01-26
Applicant: BELL TELEPHONE LABOR INC
Inventor: BRADY PAUL T
CPC classification number: G01H3/00
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公开(公告)号:US3422232A
公开(公告)日:1969-01-14
申请号:US3422232D
申请日:1964-10-08
Applicant: BELL TELEPHONE LABOR INC
Inventor: BRADY PAUL T
IPC: H04B3/20
CPC classification number: H04B3/20
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公开(公告)号:US3346694A
公开(公告)日:1967-10-10
申请号:US46010865
申请日:1965-06-02
Applicant: BELL TELEPHONE LABOR INC
Inventor: BRADY PAUL T
IPC: G01H3/00
CPC classification number: G01H3/00
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5.Echo suppressor for communication system having transmission delay 失效
Title translation: 具有传输延迟的通信系统的回波抑制器公开(公告)号:US3351720A
公开(公告)日:1967-11-07
申请号:US39332764
申请日:1964-08-31
Applicant: BELL TELEPHONE LABOR INC
Inventor: BRADY PAUL T
IPC: H04B3/20
CPC classification number: H04B3/20
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6.Break-in arrangement with compensation for variations in the trans-hybrid loss for echo suppressors 失效
Title translation: 用于回波抑制器的跨混合损耗变化的补偿布置公开(公告)号:US3275759A
公开(公告)日:1966-09-27
申请号:US27319963
申请日:1963-04-15
Applicant: BELL TELEPHONE LABOR INC
Inventor: BRADY PAUL T
IPC: H04B3/20
CPC classification number: H04B3/20
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