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公开(公告)号:US2379765A
公开(公告)日:1945-07-03
申请号:US48677543
申请日:1943-05-13
Applicant: RCA CORP
Inventor: BERTRAM TREVOR
IPC: H03J3/14
CPC classification number: H03J3/14
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公开(公告)号:US2323857A
公开(公告)日:1943-07-06
申请号:US42515741
申请日:1941-12-31
Applicant: RCA CORP
Inventor: BERTRAM TREVOR
IPC: H02P9/24
CPC classification number: H02P9/24
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公开(公告)号:US2241937A
公开(公告)日:1941-05-13
申请号:US26887139
申请日:1939-04-20
Applicant: RCA CORP
Inventor: BERTRAM TREVOR
IPC: H03J7/16
CPC classification number: H03J7/16
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公开(公告)号:US2239905A
公开(公告)日:1941-04-29
申请号:US19142438
申请日:1938-02-19
Applicant: RCA CORP
Inventor: BERTRAM TREVOR
IPC: H01P1/202
CPC classification number: H01P1/202
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公开(公告)号:US2234584A
公开(公告)日:1941-03-11
申请号:US18572238
申请日:1938-01-19
Applicant: RCA CORP
Inventor: BERTRAM TREVOR , GEORGE RALPH W
IPC: H03D9/06
CPC classification number: H03D9/065
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公开(公告)号:US2152335A
公开(公告)日:1939-03-28
申请号:US5313635
申请日:1935-12-06
Applicant: RCA CORP
Inventor: BERTRAM TREVOR , GEORGE RALPH W
IPC: H03B5/18
CPC classification number: H03B5/1835
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公开(公告)号:US2136479A
公开(公告)日:1938-11-15
申请号:US65460533
申请日:1933-02-01
Applicant: RCA CORP
Inventor: BERTRAM TREVOR
IPC: H03C1/00
CPC classification number: H03C1/00
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公开(公告)号:US2026661A
公开(公告)日:1936-01-07
申请号:US60835032
申请日:1932-04-30
Applicant: RCA CORP
Inventor: BERTRAM TREVOR
IPC: H05K9/00
CPC classification number: H05K9/00
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公开(公告)号:US2009212A
公开(公告)日:1935-07-23
申请号:US59253132
申请日:1932-02-12
Applicant: RCA CORP
Inventor: BERTRAM TREVOR
IPC: H03H7/01
CPC classification number: H03H7/0146 , H03H7/1758 , H03H7/1775
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