-
公开(公告)号:US1853005A
公开(公告)日:1932-04-05
申请号:US42942130
申请日:1930-02-18
Applicant: WESTERN UNION TELEGRAPH CO
Inventor: MORGENSTERN RONALD V
IPC: H04L25/02
CPC classification number: H04L25/0268
-
公开(公告)号:US2279335A
公开(公告)日:1942-04-14
申请号:US35082440
申请日:1940-08-03
Applicant: WESTERN UNION TELEGRAPH CO
Inventor: MORGENSTERN RONALD V , GILBERT HENRY P
IPC: H04L12/00
CPC classification number: H04L12/00
-
3.Vacuum tube repeater and terminal set for superposed telegraph systems 失效
Title translation: 真空管中继器和用于叠加电报系统的终端机公开(公告)号:US1811824A
公开(公告)日:1931-06-23
申请号:US43007530
申请日:1930-02-20
Applicant: WESTERN UNION TELEGRAPH CO
Inventor: MORGENSTERN RONALD V
CPC classification number: H04L25/0268
-
公开(公告)号:US1946907A
公开(公告)日:1934-02-13
申请号:US51920631
申请日:1931-02-28
Applicant: WESTERN UNION TELEGRAPH CO
Inventor: HAGLUND HAKON H , MORGENSTERN RONALD V
CPC classification number: H04L25/0268
-
公开(公告)号:US1836000A
公开(公告)日:1931-12-08
申请号:US42667630
申请日:1930-02-07
Applicant: WESTERN UNION TELEGRAPH CO
Inventor: MORGENSTERN RONALD V
IPC: H04B3/06
CPC classification number: H04B3/06
-
公开(公告)号:US1809722A
公开(公告)日:1931-06-09
申请号:US42219430
申请日:1930-01-20
Applicant: WESTERN UNION TELEGRAPH CO
Inventor: MORGENSTERN RONALD V , TETER PAUL E
IPC: H04L5/06
CPC classification number: H04L5/06
-
7.Superposed telegraph system and bridge duplex set for use with such systems 失效
Title translation: 叠加的电报系统和桥接双工设备,用于这种系统公开(公告)号:US1788316A
公开(公告)日:1931-01-06
申请号:US39034129
申请日:1929-09-04
Applicant: WESTERN UNION TELEGRAPH CO
Inventor: MORGENSTERN RONALD V
IPC: H04L5/20
CPC classification number: H04L5/20
-
公开(公告)号:US1936947A
公开(公告)日:1933-11-28
申请号:US56710431
申请日:1931-10-05
Applicant: WESTERN UNION TELEGRAPH CO
Inventor: MORGENSTERN RONALD V , HACKENBERG JOHN H
IPC: H04L25/49 , H04L25/493
CPC classification number: H04L25/49 , H04L25/493
-
公开(公告)号:US1832722A
公开(公告)日:1931-11-17
申请号:US46679030
申请日:1930-07-09
Applicant: WESTERN UNION TELEGRAPH CO
Inventor: MORGENSTERN RONALD V , ERICKSON GEORGE L
IPC: H04L25/03
CPC classification number: H04L25/03127
-
10.Combining alternating current channels with superposed telegraph circuits 失效
Title translation: 将交流电流与叠加的电报电路相结合公开(公告)号:US1817702A
公开(公告)日:1931-08-04
申请号:US45248130
申请日:1930-05-14
Applicant: WESTERN UNION TELEGRAPH CO
Inventor: MORGENSTERN RONALD V
IPC: H04L5/06
CPC classification number: H04L5/06
-
-
-
-
-
-
-
-
-