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公开(公告)号:US2676313A
公开(公告)日:1954-04-20
申请号:US26981552
申请日:1952-02-04
Applicant: BELL TELEPHONE LABOR INC
Inventor: DEHN JOSEPH W
IPC: H04Q3/42
CPC classification number: H04Q3/42
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公开(公告)号:US2590514A
公开(公告)日:1952-03-25
申请号:US5159148
申请日:1948-09-28
Applicant: BELL TELEPHONE LABOR INC
Inventor: DEHN JOSEPH W , HOLDEN WILLIAM H T
IPC: H03K3/37
CPC classification number: H03K3/37
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公开(公告)号:US2405570A
公开(公告)日:1946-08-13
申请号:US46173142
申请日:1942-10-12
Applicant: BELL TELEPHONE LABOR INC
Inventor: DEHN JOSEPH W
IPC: H04L9/22
CPC classification number: H04L9/0662
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公开(公告)号:US2600482A
公开(公告)日:1952-06-17
申请号:US2620848
申请日:1948-05-13
Applicant: BELL TELEPHONE LABOR INC
Inventor: COLLIS RAYMOND E , DEHN JOSEPH W
IPC: H03K17/288
CPC classification number: H03K17/288 , Y10T307/74
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公开(公告)号:US2579729A
公开(公告)日:1951-12-25
申请号:US77218647
申请日:1947-09-04
Applicant: BELL TELEPHONE LABOR INC
Inventor: DEHN JOSEPH W , EDWARD VROOM
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公开(公告)号:US1654923A
公开(公告)日:1928-01-03
申请号:US15166126
申请日:1926-11-30
Applicant: BELL TELEPHONE LABOR INC
Inventor: DEHN JOSEPH W
IPC: H04M15/10
CPC classification number: H04M15/10
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公开(公告)号:US3016189A
公开(公告)日:1962-01-09
申请号:US46287454
申请日:1954-10-18
Applicant: BELL TELEPHONE LABOR INC
Inventor: DEHN JOSEPH W , EDWARD VROOM
IPC: H04M3/36
CPC classification number: H04M3/36
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8.Automatic monitor for comparing designations received and transmitted by control circuits in dial switching systems 失效
Title translation: 自动监视器,用于比较拨号交换系统中控制电路接收和发送的名称公开(公告)号:US2508053A
公开(公告)日:1950-05-16
申请号:US6855648
申请日:1948-12-31
Applicant: BELL TELEPHONE LABOR INC
Inventor: DEHN JOSEPH W , WILLIFORD OSCAR H
IPC: H04Q3/00
CPC classification number: H04Q3/0004
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公开(公告)号:US2484612A
公开(公告)日:1949-10-11
申请号:US67035846
申请日:1946-05-17
Applicant: BELL TELEPHONE LABOR INC
Inventor: DEHN JOSEPH W , HOLDEN WILLIAM H T
IPC: H04M15/08
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公开(公告)号:US2285908A
公开(公告)日:1942-06-09
申请号:US35576040
申请日:1940-09-07
Applicant: BELL TELEPHONE LABOR INC
Inventor: DAVIS RICHARD C , DEHN JOSEPH W
IPC: H04Q3/00
CPC classification number: H04Q3/0004
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