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公开(公告)号:US2335496A
公开(公告)日:1943-11-30
申请号:US30685839
申请日:1939-11-30
Applicant: RCA CORP
Inventor: FOSTER DUDLEY E , GARRARD MOUNTJOY
IPC: H03G5/26
CPC classification number: H03G5/26
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公开(公告)号:US2313635A
公开(公告)日:1943-03-09
申请号:US36904040
申请日:1940-12-07
Applicant: RCA CORP
Inventor: FOSTER DUDLEY E , RANKIN JOHN A
IPC: H03D7/18
CPC classification number: H03D7/18
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公开(公告)号:US2296915A
公开(公告)日:1942-09-29
申请号:US39231341
申请日:1941-05-07
Applicant: RCA CORP
Inventor: FOSTER DUDLEY E
CPC classification number: H01F17/045 , H01F1/16
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公开(公告)号:US2273097A
公开(公告)日:1942-02-17
申请号:US31983040
申请日:1940-02-20
Applicant: RCA CORP
Inventor: FOSTER DUDLEY E , RANKIN JOHN A
IPC: H03D5/00
CPC classification number: H03D5/00
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公开(公告)号:US2261356A
公开(公告)日:1941-11-04
申请号:US31049239
申请日:1939-12-22
Applicant: RCA CORP
Inventor: FOSTER DUDLEY E
IPC: H03F1/36
CPC classification number: H03F1/36
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公开(公告)号:US2237421A
公开(公告)日:1941-04-08
申请号:US22829038
申请日:1938-09-03
Applicant: RCA CORP
Inventor: FOSTER DUDLEY E
IPC: H03G3/22
CPC classification number: H03G3/22
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公开(公告)号:US2233776A
公开(公告)日:1941-03-04
申请号:US18383638
申请日:1938-01-07
Applicant: RCA CORP
Inventor: FOSTER DUDLEY E , BARDEN WILLIAM S
IPC: H03H7/01
CPC classification number: H03H7/0161 , H03H7/1775
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公开(公告)号:US2189063A
公开(公告)日:1940-02-06
申请号:US17492837
申请日:1937-11-17
Applicant: RCA CORP
Inventor: FOSTER DUDLEY E
IPC: H03J3/06
CPC classification number: H03J3/06
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公开(公告)号:US2162885A
公开(公告)日:1939-06-20
申请号:US18341938
申请日:1938-01-05
Applicant: RCA CORP
Inventor: FOSTER DUDLEY E
IPC: H03J7/04
CPC classification number: H03J7/042
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公开(公告)号:US2129085A
公开(公告)日:1938-09-06
申请号:US12252037
申请日:1937-01-27
Applicant: RCA CORP
Inventor: FOSTER DUDLEY E
IPC: H03J7/04
CPC classification number: H03J7/04
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