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公开(公告)号：US2568755A
公开(公告)日：1951-09-25
申请号：US63115545
申请日：1945-11-27
Applicant: INT STANDARD ELECTRIC CORP
IPC: G01R21/133
CPC classification number: G01R21/1338
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2.发明授权Electric pulse signalling system having switching means connected to a constant-voltage source 失效具有连接到恒压源的开关装置的电脉冲信号系统
公开(公告)号：US3234514A
公开(公告)日：1966-02-08
申请号：US85814359
申请日：1959-12-08
Applicant: INT STANDARD ELECTRIC CORP
Inventor： JENNINGS WARD HUGH , MARK BUNDY ERNEST
IPC: H04Q9/00
CPC classification number: H04Q9/00
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Patent Agency Ranking
公开(公告)号：US2568756A
公开(公告)日：1951-09-25
申请号：US70901046
申请日：1946-11-09
Applicant: INT STANDARD ELECTRIC CORP
Inventor： SWIFT MCWHIRTER ERIC MALCOLM , JENNINGS WARD HUGH
IPC: G08B5/22
CPC classification number: G08B5/221
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公开(公告)号：US2408037A
公开(公告)日：1946-09-24
申请号：US47868043
申请日：1943-03-10
Applicant: INT STANDARD ELECTRIC CORP
IPC: H02J13/00
CPC classification number: H02J13/00
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公开(公告)号：US2567226A
公开(公告)日：1951-09-11
申请号：US76720047
申请日：1947-08-07
Applicant: INT STANDARD ELECTRIC CORP
Inventor： SWIFT MCWHIRTER ERIC MALCOLM , JENNINGS WARD HUGH
IPC: H04Q9/04
CPC classification number: H04Q9/04
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公开(公告)号：US2565511A
公开(公告)日：1951-08-28
申请号：US7920249
申请日：1949-03-02
Applicant: INT STANDARD ELECTRIC CORP
Inventor： SWIFT MCWHIRTER ERIC MALCOLM , HARRIS DUNN ROLAND , WILLIAM WARDEN FREDERICK , JENNINGS WARD HUGH , ASSIS FONSE HAROLD MOUNTJOY MU , GERARD COLLIER PERCEVAL
IPC: G08B5/22
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公开(公告)号：US2397596A
公开(公告)日：1946-04-02
申请号：US47738843
申请日：1943-02-27
Applicant: INT STANDARD ELECTRIC CORP
Inventor： MUSCHAMP D ASSIS-FONSE HAROLD , JENNINGS WARD HUGH
IPC: H02J13/00
CPC classification number: H02J13/00
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