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公开(公告)号:US2294171A
公开(公告)日:1942-08-25
申请号:US34504540
申请日:1940-07-12
Applicant: RCA CORP
Inventor: GEORGE RALPH W
IPC: H03B23/00
CPC classification number: H03B23/00
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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:US2277638A
公开(公告)日:1942-03-24
申请号:US28002039
申请日:1939-06-20
Applicant: RCA CORP
Inventor: GEORGE RALPH W
IPC: H03H5/00
CPC classification number: H03H5/003
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公开(公告)号:US2272062A
公开(公告)日:1942-02-03
申请号:US25914439
申请日:1939-03-01
Applicant: RCA CORP
Inventor: GEORGE RALPH W
IPC: H03F3/54
CPC classification number: H03F3/54
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26.Automatic frequency control system for braking-field oscillators 失效
Title translation: 用于制动场振荡器的自动频率控制系统公开(公告)号:US2256083A
公开(公告)日:1941-09-16
申请号:US26801439
申请日:1939-04-15
Applicant: RCA CORP
Inventor: GEORGE RALPH W
IPC: H03J7/16
CPC classification number: H03J7/16
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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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29.Method of and apparatus for making measurements at ultra high frequencies 失效
Title translation: 在超高频下进行测量的方法和装置公开(公告)号:US2191277A
公开(公告)日:1940-02-20
申请号:US23024538
申请日:1938-09-16
Applicant: RCA CORP
Inventor: GEORGE RALPH W
IPC: G01R27/32
CPC classification number: G01R27/32
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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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