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1.High speed polytonic calling signal generator employing kick coil 失效
Title translation: 高速多声道呼叫信号发生器采用踢脚线圈公开(公告)号:US2799730A
公开(公告)日:1957-07-16
申请号:US35772853
申请日:1953-05-27
Applicant: BELL TELEPHONE LABOR INC
Inventor: LOVELL CLARENCE A , MURPHY ORLANDO J
IPC: H04M19/02
CPC classification number: H04M19/02
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2.
公开(公告)号:US2700148A
公开(公告)日:1955-01-18
申请号:US20115650
申请日:1950-12-16
Applicant: BELL TELEPHONE LABOR INC
Inventor: MCGUIGAN JOHN H , MURPHY ORLANDO J , NEWBY NEAL D
CPC classification number: H04Q3/00 , H04M1/6515 , H04Q3/42
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3.Data transmission system for operation in signal environment with a high noise level 失效
Title translation: 数据传输系统,在高噪声信号环境中工作公开(公告)号:US3248693A
公开(公告)日:1966-04-26
申请号:US14124661
申请日:1961-09-25
Applicant: BELL TELEPHONE LABOR INC
Inventor: FARKAS FRANCIS S , FARROW CECIL W , FRITSCHI WALTER W , GERKEUSMEIER OTTO F , MURPHY ORLANDO J , PULLIS GEORGE A , SOFFEL ROBERT O , SPACK EDWARD G
IPC: H04L1/00
CPC classification number: H04L1/00
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公开(公告)号:US2811707A
公开(公告)日:1957-10-29
申请号:US55626155
申请日:1955-12-29
Applicant: BELL TELEPHONE LABOR INC
Inventor: HENNING HARLEY A , MURPHY ORLANDO J
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公开(公告)号:US2026319A
公开(公告)日:1935-12-31
申请号:US70125133
申请日:1933-12-07
Applicant: BELL TELEPHONE LABOR INC
Inventor: MURPHY ORLANDO J
IPC: H03F1/33
CPC classification number: H03F1/33
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公开(公告)号:US2855146A
公开(公告)日:1958-10-07
申请号:US31026452
申请日:1952-09-18
Applicant: BELL TELEPHONE LABOR INC
Inventor: HENNING HARLEY A , MURPHY ORLANDO J , TEAGER HERBERT M
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公开(公告)号:US2801050A
公开(公告)日:1957-07-30
申请号:US40573654
申请日:1954-01-25
Applicant: BELL TELEPHONE LABOR INC
Inventor: MURPHY ORLANDO J
IPC: H03F1/30
CPC classification number: H03F1/30
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公开(公告)号:US2367885A
公开(公告)日:1945-01-23
申请号:US49918443
申请日:1943-08-19
Applicant: BELL TELEPHONE LABOR INC
Inventor: MURPHY ORLANDO J , NEWBY NEAL D
IPC: H04M19/02
CPC classification number: H04M19/02
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9.Symmetrically limiting amplifier with feedback paths responsive to instantaneous and average signal variations 失效
Title translation: 具有响应于瞬时和平均信号变化的反馈路径的对称限幅放大器公开(公告)号:US3162818A
公开(公告)日:1964-12-22
申请号:US13822161
申请日:1961-09-11
Applicant: BELL TELEPHONE LABOR INC
Inventor: MURPHY ORLANDO J
IPC: H03G11/00
CPC classification number: H03G11/00
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公开(公告)号:US3007145A
公开(公告)日:1961-10-31
申请号:US58654456
申请日:1956-05-22
Applicant: BELL TELEPHONE LABOR INC
Inventor: MURPHY ORLANDO J
IPC: G11B20/16
CPC classification number: G11B20/16
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