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公开(公告)号:US2666884A
公开(公告)日:1954-01-19
申请号:US17771450
申请日:1950-08-04
Applicant: ERICSSON TELEFON AB L M
Inventor: ARVID ERICSSON ERIC , OSSIAN JORGENSEN ANDERS , LAMBERT OVERBY SUNE
IPC: G05B1/02 , G11C11/44 , H01B1/00 , H01C7/04 , H01L39/12 , H02M11/00 , H03B15/00 , H03F15/00 , H03F19/00
CPC classification number: H03F19/00 , G05B1/025 , G11C11/44 , H01B1/00 , H01C7/04 , H01L39/12 , H02M11/00 , H03B15/00 , H03F15/00 , Y10S336/01 , Y10S505/825 , Y10S505/854 , Y10S505/88
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公开(公告)号:US2623697A
公开(公告)日:1952-12-30
申请号:US20432051
申请日:1951-01-04
Applicant: ERICSSON TELEFON AB L M
Inventor: ARVID ERICSSON ERIC , AXEL WIBERG ERIC
IPC: G06M1/16
CPC classification number: G06M1/163
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公开(公告)号:US3118021A
公开(公告)日:1964-01-14
申请号:US84908459
申请日:1959-10-27
Applicant: ERICSSON TELEFON AB L M
IPC: H04Q1/10
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公开(公告)号:US2659868A
公开(公告)日:1953-11-17
申请号:US10020449
申请日:1949-06-20
Applicant: ERICSSON TELEFON AB L M
Inventor: ARVID ERICSSON ERIC , OSSIAN JORGENSEN ANDERS , LAMBERT OVERBY SUNE
CPC classification number: H03K7/00 , H03C1/10 , H03C5/04 , Y10S505/828
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公开(公告)号:US3001023A
公开(公告)日:1961-09-19
申请号:US65447757
申请日:1957-04-23
Applicant: ERICSSON TELEFON AB L M
Inventor: AXEL LUNDKVIST KARL , ARVID ERICSSON ERIC , GEORG JOHNSON KARL , VALDEMAR ALEXANDERSSON HARALD
IPC: H01H67/26
CPC classification number: H01H67/26
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6.
公开(公告)号:US2583732A
公开(公告)日:1952-01-29
申请号:US16080850
申请日:1950-05-08
Applicant: ERICSSON TELEFON AB L M
Inventor: ARVID ERICSSON ERIC , OSSIAN JORGENSEN ANDERS
IPC: H04R21/02
CPC classification number: H04R21/021
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7.Device for selection of groups of lines within automatic telephone exchanges 失效
Title translation: 用于在自动电话交换机内选择线路组的设备公开(公告)号:US2506200A
公开(公告)日:1950-05-02
申请号:US66157646
申请日:1946-04-12
Applicant: ERICSSON TELEFON AB L M
Inventor: ARVID ERICSSON ERIC
IPC: H04Q3/42
CPC classification number: H04Q3/42
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8.
公开(公告)号:US3211838A
公开(公告)日:1965-10-12
申请号:US18590562
申请日:1962-04-09
Applicant: ERICSSON TELEFON AB L M
Inventor: ARVID ERICSSON ERIC
IPC: H04Q3/62
CPC classification number: H04Q3/625
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公开(公告)号:US2725474A
公开(公告)日:1955-11-29
申请号:US17771550
申请日:1950-08-04
Applicant: ERICSSON TELEFON AB L M
Inventor: ARVID ERICSSON ERIC , OSSIAN JORGENSEN ANDERS , LAMBERT OVERBY SUNE
IPC: G05B1/02 , G11C11/44 , H01B1/00 , H01C7/04 , H01L39/12 , H02M11/00 , H03B15/00 , H03F15/00 , H03F19/00
CPC classification number: H03F19/00 , G05B1/025 , G11C11/44 , H01B1/00 , H01C7/04 , H01L39/12 , H02M11/00 , H03B15/00 , H03F15/00 , Y10S336/01 , Y10S505/825 , Y10S505/854 , Y10S505/88
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10.
公开(公告)号:US2664552A
公开(公告)日:1953-12-29
申请号:US23092451
申请日:1951-06-11
Applicant: ERICSSON TELEFON AB L M
Inventor: ARVID ERICSSON ERIC , AXEL WIBERG ERIC , ADOLF ATTERLING ERIK
IPC: H01R13/10 , H01R13/11 , H01R13/115 , H01R13/415 , H01R24/00
CPC classification number: H01R13/112 , H01R13/113 , H01R13/415 , H01R2107/00
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