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公开(公告)号:US1929947A
公开(公告)日:1933-10-10
申请号:US33596329
申请日:1929-01-29
Applicant: WESTERN UNION TELEGRAPH CO
Inventor: HAGLUND HAKON H
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公开(公告)号:US2193902A
公开(公告)日:1940-03-19
申请号:US15269737
申请日:1937-07-09
Applicant: WESTERN UNION TELEGRAPH CO
Inventor: HAGLUND HAKON H
IPC: H04L5/06 , H04L27/20 , H04L27/233
CPC classification number: H04L27/2035 , H04L5/06 , H04L27/233
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公开(公告)号:US2131434A
公开(公告)日:1938-09-27
申请号:US75703734
申请日:1934-12-11
Applicant: WESTERN UNION TELEGRAPH CO
Inventor: HAGLUND HAKON H
CPC classification number: H04J3/1682 , H04L5/22
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公开(公告)号:US2117246A
公开(公告)日:1938-05-10
申请号:US58993932
申请日:1932-01-30
Applicant: WESTERN UNION TELEGRAPH CO
Inventor: HAGLUND HAKON H
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公开(公告)号:US1967175A
公开(公告)日:1934-07-17
申请号:US60185832
申请日:1932-03-29
Applicant: WESTERN UNION TELEGRAPH CO
Inventor: HAGLUND HAKON H
IPC: H04L25/42
CPC classification number: H04L25/42
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16.Method and means of transposing signals from one code to another 失效
Title translation: 将信号从一个代码转移到另一个代码的方法和手段公开(公告)号:US1966386A
公开(公告)日:1934-07-10
申请号:US62875032
申请日:1932-08-13
Applicant: WESTERN UNION TELEGRAPH CO
Inventor: HAGLUND HAKON H
IPC: H03M5/00
CPC classification number: H03M5/00
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17.Direction control switch for transmission over submarine cables 失效
Title translation: 用于海底电缆传输的方向控制开关公开(公告)号:US1882818A
公开(公告)日:1932-10-18
申请号:US49233130
申请日:1930-10-30
Applicant: WESTERN UNION TELEGRAPH CO
Inventor: HAGLUND HAKON H
IPC: H04L5/18
CPC classification number: H04L5/18
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公开(公告)号:US1827652A
公开(公告)日:1931-10-13
申请号:US38470929
申请日:1929-08-09
Applicant: WESTERN UNION TELEGRAPH CO
Inventor: HAGLUND HAKON H , DICKEY ALBERT W
IPC: H04L13/06
CPC classification number: H04L13/06
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公开(公告)号:US2006305A
公开(公告)日:1935-06-25
申请号:US58555632
申请日:1932-01-08
Applicant: WESTERN UNION TELEGRAPH CO
Inventor: WILDER HAROLD F , HAGLUND HAKON H
IPC: B65G51/44
CPC classification number: B65G51/44
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公开(公告)号:US1987595A
公开(公告)日:1935-01-15
申请号:US61633432
申请日:1932-06-09
Applicant: WESTERN UNION TELEGRAPH CO
Inventor: CORWITH HOWARD P , HAGLUND HAKON H
IPC: H04L7/00
CPC classification number: H04L7/0095
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