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公开(公告)号:US3069502A
公开(公告)日:1962-12-18
申请号:US77078058
申请日:1958-10-30
Applicant: ERICSSON TELEFON AB L M
Inventor: HERBERT EDSTROM NILS , WILHELM HARLIN CARL-ERIK , KURT KATZEFF
IPC: H04M17/02
CPC classification number: H04M17/02 , H04M17/023
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2.
公开(公告)号:US3231677A
公开(公告)日:1966-01-25
申请号:US18739162
申请日:1962-04-13
Applicant: ERICSSON TELEFON AB L M
Inventor: HERBERT EDSTROM NILS , KURT KATZEFF
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3.
公开(公告)号:US2999131A
公开(公告)日:1961-09-05
申请号:US66402557
申请日:1957-06-06
Applicant: ERICSSON TELEFON AB L M
Inventor: HERBERT EDSTROM NILS
IPC: H04Q3/00
CPC classification number: H04Q3/0004
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4.Line circuit having solid state means with marker for estab-lishing connections 失效
Title translation: 具有固态装置的线路电路,具有用于建立连接的标记公开(公告)号:US3412210A
公开(公告)日:1968-11-19
申请号:US47126865
申请日:1965-07-12
Applicant: ERICSSON TELEFON AB L M
Inventor: HERBERT EDSTROM NILS
IPC: H04Q3/00
CPC classification number: H04Q3/00
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5.Circuit arrangement for supervising the terminal equipment belonging to a junction line extending between two telephone exchanges 失效
Title translation: 用于监视属于在两个电话交换机之间延伸的连接线的终端设备的电路装置公开(公告)号:US3398243A
公开(公告)日:1968-08-20
申请号:US48325865
申请日:1965-08-27
Applicant: ERICSSON TELEFON AB L M
Inventor: HERBERT EDSTROM NILS
IPC: H04Q3/00
CPC classification number: H04Q3/0016
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公开(公告)号:US3146427A
公开(公告)日:1964-08-25
申请号:US83343159
申请日:1959-08-13
Applicant: ERICSSON TELEFON AB L M
Inventor: HERBERT EDSTROM NILS
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7.Threshold crosspoint identifying means for an automatic telephone exchange 失效
Title translation: 用于自动电话交换的阈值交叉点识别装置公开(公告)号:US3393276A
公开(公告)日:1968-07-16
申请号:US48929465
申请日:1965-09-22
Applicant: ERICSSON TELEFON AB L M
Inventor: HERBERT EDSTROM NILS
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8.Control arrangement for a receiver for pulse-code modulated time-division multiplex signals 失效
Title translation: 用于脉冲编码调制时分复用信号的接收机的控制装置公开(公告)号:US3359371A
公开(公告)日:1967-12-19
申请号:US46106365
申请日:1965-06-03
Applicant: ERICSSON TELEFON AB L M
Inventor: HERBERT EDSTROM NILS , INGVAR FJORDLAND STURE EMIL , WILHELM JACOB WALTER EMIL , ALVAR OLSSON JOHN KURT
CPC classification number: H04Q11/04 , H04J3/06 , H04J3/0626 , H04J3/073
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公开(公告)号:US3185772A
公开(公告)日:1965-05-25
申请号:US11153861
申请日:1961-05-22
Applicant: ERICSSON TELEFON AB L M
Inventor: HERBERT EDSTROM NILS
IPC: H04Q11/04
CPC classification number: H04Q11/04
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公开(公告)号:US3133158A
公开(公告)日:1964-05-12
申请号:US3933860
申请日:1960-06-28
Applicant: ERICSSON TELEFON AB L M
Inventor: HERBERT EDSTROM NILS , WILHELM HARLIN CARL-ERIC , EDGAR SODERLUND ALF
IPC: H04Q1/446
CPC classification number: H04Q1/4465
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