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公开(公告)号:US2304969A
公开(公告)日:1942-12-15
申请号:US34877940
申请日:1940-07-31
Applicant: RCA CORP
Inventor: BERTRAM TREVOR
IPC: H04B14/08
CPC classification number: H04B14/08
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公开(公告)号:US2299942A
公开(公告)日:1942-10-27
申请号:US30318639
申请日:1939-11-07
Applicant: RCA CORP
Inventor: BERTRAM TREVOR
IPC: G05F1/52
CPC classification number: G05F1/52 , Y10T307/707
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公开(公告)号:US2286396A
公开(公告)日:1942-06-16
申请号:US34147340
申请日:1940-06-20
Applicant: RCA CORP
Inventor: BERTRAM TREVOR
IPC: H03B5/18
CPC classification number: H03B5/1835
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公开(公告)号:US2141242A
公开(公告)日:1938-12-27
申请号:US1303835
申请日:1935-03-26
Applicant: RCA CORP
Inventor: GEORGE RALPH W , BERTRAM TREVOR
IPC: H03D7/14
CPC classification number: H03D7/1416
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公开(公告)号:US2106776A
公开(公告)日:1938-02-01
申请号:US780335
申请日:1935-02-23
Applicant: RCA CORP
Inventor: BERTRAM TREVOR , WALDO GEORGE RALPH
CPC classification number: H04B1/26 , H03B5/1835 , H03D7/1416 , H03F3/54 , H03J7/16
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公开(公告)号:US2006526A
公开(公告)日:1935-07-02
申请号:US59253232
申请日:1932-02-12
Applicant: RCA CORP
Inventor: BERTRAM TREVOR
IPC: H03J3/24
CPC classification number: H03J3/24
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公开(公告)号:US2000677A
公开(公告)日:1935-05-07
申请号:US59253332
申请日:1932-02-12
Applicant: RCA CORP
Inventor: BERTRAM TREVOR
IPC: H05K9/00
CPC classification number: H05K9/0064
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公开(公告)号:US2469222A
公开(公告)日:1949-05-03
申请号:US51244243
申请日:1943-12-01
Applicant: RCA CORP
Inventor: ATWOOD JOHN B , BERTRAM TREVOR
CPC classification number: H04B15/06 , H03D7/1408 , H03D9/0625
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公开(公告)号:US2428582A
公开(公告)日:1947-10-07
申请号:US48601043
申请日:1943-05-07
Applicant: RCA CORP
Inventor: PETERSON HAROLD O , BERTRAM TREVOR
IPC: H04B7/06
CPC classification number: H04B7/06
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