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公开(公告)号:US3073907A
公开(公告)日:1963-01-15
申请号:US1364960
申请日:1960-03-08
Applicant: BELL TELEPHONE LABOR INC
Inventor: ALTERMAN MICHAEL E , IRLAND EDWIN A
IPC: H04Q3/52
CPC classification number: H04Q3/521
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公开(公告)号:US2943149A
公开(公告)日:1960-06-28
申请号:US73192458
申请日:1958-04-30
Applicant: BELL TELEPHONE LABOR INC
Inventor: IRLAND EDWIN A , RUPPEL ALFRED E
IPC: H04L12/26
CPC classification number: H04L43/50
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3.
公开(公告)号:US3142039A
公开(公告)日:1964-07-21
申请号:US73193758
申请日:1958-04-30
Applicant: BELL TELEPHONE LABOR INC
Inventor: IRLAND EDWIN A , MORRISON CHARLES G
IPC: G06K9/18
CPC classification number: G06K9/18
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公开(公告)号:US3323114A
公开(公告)日:1967-05-30
申请号:US28954163
申请日:1963-06-21
Applicant: BELL TELEPHONE LABOR INC
Inventor: GEBHARDT ROBERT C , IRLAND EDWIN A
IPC: G11C11/06
CPC classification number: G11C11/06078
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5.Voice-frequency binary data transmission system with return signal 失效
Title translation: 语音二进制数据传输系统具有返回信号公开(公告)号:US3121197A
公开(公告)日:1964-02-11
申请号:US1346460
申请日:1960-03-08
Applicant: BELL TELEPHONE LABOR INC
Inventor: IRLAND EDWIN A
IPC: H04Q3/52
CPC classification number: H04Q3/521
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