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公开(公告)号:US2998599A
公开(公告)日:1961-08-29
申请号:US57156956
申请日:1956-03-14
Applicant: RCA CORP
Inventor: MATSON JR LESLIE E , WEINSTOCK WALTER W , FORD JOHN R
IPC: G01S13/524
CPC classification number: G01S13/524
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公开(公告)号:US2648839A
公开(公告)日:1953-08-11
申请号:US18799250
申请日:1950-10-02
Applicant: RCA CORP
Inventor: FORD JOHN R , PEARSON BOLLINGER WALDON
CPC classification number: H01Q21/06 , G01S1/02 , G01S13/913
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公开(公告)号:US2445348A
公开(公告)日:1948-07-20
申请号:US63653245
申请日:1945-12-21
Applicant: RCA CORP
Inventor: FORD JOHN R
IPC: G01R27/06
CPC classification number: G01R27/06
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4.Railway signaling system for measuring distance between trains 失效
Title translation: 用于测量火车距离的铁路信号系统公开(公告)号:US2698377A
公开(公告)日:1954-12-28
申请号:US7534249
申请日:1949-02-09
Applicant: RCA CORP
Inventor: KORMAN NATHANIEL I , PRICE JAMES F , FORD JOHN R
IPC: B61L25/04
CPC classification number: B61L25/04
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公开(公告)号:US2397850A
公开(公告)日:1946-04-02
申请号:US45573342
申请日:1942-08-22
Applicant: RCA CORP
Inventor: FORD JOHN R
IPC: H03F1/08
CPC classification number: H03F1/08
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公开(公告)号:US2372419A
公开(公告)日:1945-03-27
申请号:US44120642
申请日:1942-04-30
Applicant: RCA CORP
Inventor: FORD JOHN R , BRUMBAUGH JOHN M
IPC: H03H11/12
CPC classification number: H03H11/1295 , Y10S84/10
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公开(公告)号:US2358391A
公开(公告)日:1944-09-19
申请号:US46038842
申请日:1942-10-01
Applicant: RCA CORP
Inventor: FORD JOHN R
IPC: G01R19/22
CPC classification number: G01R19/22
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公开(公告)号:US2947989A
公开(公告)日:1960-08-02
申请号:US62477556
申请日:1956-11-28
Applicant: RCA CORP
Inventor: FORD JOHN R , KRUGER IRVING D , HAROLD PERKEL
IPC: H01Q3/04
CPC classification number: H01Q3/04 , Y10S343/01
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公开(公告)号:US2716186A
公开(公告)日:1955-08-23
申请号:US13534749
申请日:1949-12-28
Applicant: RCA CORP
Inventor: FORD JOHN R
IPC: B61L3/22
CPC classification number: B61L3/221
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公开(公告)号:US2412805A
公开(公告)日:1946-12-17
申请号:US52117944
申请日:1944-02-05
Applicant: RCA CORP
Inventor: FORD JOHN R
IPC: H03B5/18
CPC classification number: H03B5/1835
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