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公开(公告)号:US2041904A
公开(公告)日:1936-05-26
申请号:US52764931
申请日:1931-04-04
Applicant: NAT UNION RADIO CORP
Inventor: CONE JAMES H
IPC: H01J21/12
CPC classification number: H01J21/12 , H01J2893/0032
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公开(公告)号:US2008505A
公开(公告)日:1935-07-16
申请号:US63355932
申请日:1932-09-17
Applicant: TELEFUNKEN GMBH
Inventor: GUNTHER JOBST
CPC classification number: H01J19/00 , H01J21/12 , H01J2893/001 , H01J2893/0032
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公开(公告)号:USRE23716E
公开(公告)日:1953-09-29
申请号:US23716D
IPC: H01J21/12
CPC classification number: H01J21/12 , H01J2893/0032
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14.Amplifying system provided with parallel electron discharge paths having different mutual conductances 失效
Title translation: 具有并联电子放电路径的放大系统具有不同的互导公开(公告)号:US2530591A
公开(公告)日:1950-11-21
申请号:US68371046
申请日:1946-07-15
Applicant: HARTFORD NAT BANK & TRUST CO
Inventor: PETRUS ALMA GERRIT HENDRIK , ELDIK PIETER FREDERIK VAN
IPC: H01J21/12
CPC classification number: H01J21/12 , H01J2893/0032
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公开(公告)号:US2340594A
公开(公告)日:1944-02-01
申请号:US40773841
申请日:1941-08-21
Applicant: HENDRIK JONKER JOHAN LODEWIJK
Inventor: HENDRIK JONKER JOHAN LODEWIJK
IPC: H01J21/12
CPC classification number: H01J21/12 , H01J2893/0032
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公开(公告)号:US2048231A
公开(公告)日:1936-07-21
申请号:US54829631
申请日:1931-07-02
Applicant: RCA CORP
Inventor: SNOW HAROLD A
IPC: H01J21/12
CPC classification number: H01J21/12 , H01J2893/0032
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公开(公告)号:US2048229A
公开(公告)日:1936-07-21
申请号:US54829931
申请日:1931-07-02
Applicant: RCA CORP
Inventor: SNOW HAROLD A
IPC: H01J21/12
CPC classification number: H01J21/12 , H01J2893/0032
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公开(公告)号:US2048227A
公开(公告)日:1936-07-21
申请号:US52206331
申请日:1931-03-12
Applicant: RCA CORP
Inventor: SNOW HAROLD A
IPC: H01J21/12
CPC classification number: H01J21/12 , H01J2893/0032
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公开(公告)号:US2048224A
公开(公告)日:1936-07-21
申请号:US43722530
申请日:1930-03-19
Applicant: RCA CORP
Inventor: SNOW HAROLD A
IPC: H01J21/12
CPC classification number: H01J21/12 , H01J2893/0032
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公开(公告)号:US2672573A
公开(公告)日:1954-03-16
申请号:US21569951
申请日:1951-03-15
Applicant: NAT UNION RADIO CORP
Inventor: CHARTON PAUL W
CPC classification number: H01J31/06 , H01J21/12 , H01J2893/0032
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