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公开(公告)号:US2416791A
公开(公告)日:1947-03-04
申请号:US46152742
申请日:1942-10-10
Applicant: RCA CORP
Inventor: BEVERAGE HAROLD H
IPC: H03J7/04
CPC classification number: H03J7/04
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公开(公告)号:US2271909A
公开(公告)日:1942-02-03
申请号:US30913139
申请日:1939-12-14
Applicant: RCA CORP
Inventor: BEVERAGE HAROLD H
IPC: H01Q21/00
CPC classification number: H01Q21/00
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公开(公告)号:US2173156A
公开(公告)日:1939-09-19
申请号:US19526938
申请日:1938-03-11
Applicant: RCA CORP
Inventor: BEVERAGE HAROLD H
IPC: H04B1/30
CPC classification number: H04B1/30
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公开(公告)号:US2144215A
公开(公告)日:1939-01-17
申请号:US72288834
申请日:1934-04-28
Applicant: RCA CORP
Inventor: BEVERAGE HAROLD H
IPC: G08C15/00
CPC classification number: G08C15/00 , Y10T307/878
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公开(公告)号:US1888065A
公开(公告)日:1932-11-15
申请号:US32530428
申请日:1928-12-11
Applicant: RCA CORP
Inventor: BEVERAGE HAROLD H
IPC: H04B7/08
CPC classification number: H04B7/0817 , H04B7/0857
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公开(公告)号:US1874865A
公开(公告)日:1932-08-30
申请号:US32001728
申请日:1928-11-17
Applicant: RCA CORP
Inventor: BEVERAGE HAROLD H
IPC: H04B7/08
CPC classification number: H04B7/0837
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公开(公告)号:US1849608A
公开(公告)日:1932-03-15
申请号:US32023528
申请日:1928-11-19
Applicant: RCA CORP
Inventor: BEVERAGE HAROLD H
IPC: H04B14/00
CPC classification number: H04B14/006
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公开(公告)号:US2405991A
公开(公告)日:1946-08-20
申请号:US34875640
申请日:1940-07-31
Applicant: RCA CORP
Inventor: BEVERAGE HAROLD H , MATHES RICHARD E
IPC: H04L9/38
CPC classification number: H04L9/38
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公开(公告)号:US2076361A
公开(公告)日:1937-04-06
申请号:US66725333
申请日:1933-04-21
Applicant: RCA CORP
Inventor: BEVERAGE HAROLD H
IPC: H04H20/67
CPC classification number: H04H20/67
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