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公开(公告)号:US2308800A
公开(公告)日:1943-01-19
申请号:US37910341
申请日:1941-02-15
Applicant: BELL TELEPHONE LABOR INC
Inventor: EUGENE ANDERSON ALVA
IPC: H01J3/02
CPC classification number: H01J3/029
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公开(公告)号:US2268197A
公开(公告)日:1941-12-30
申请号:US31939340
申请日:1940-02-17
Applicant: BELL TELEPHONE LABOR INC
Inventor: PIERCE JOHN R
CPC classification number: G06G7/485 , H01J3/029 , H01J21/36 , H01J29/624 , H01J29/82
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公开(公告)号:US2201819A
公开(公告)日:1940-05-21
申请号:US1314525
申请日:1925-03-05
Applicant: RAYTHEON MFG CO
Inventor: SMITH CHARLES G
CPC classification number: H01J21/36 , H01J3/025 , H01J17/50 , H01J2893/0062
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公开(公告)号:US2197033A
公开(公告)日:1940-04-16
申请号:US21395538
申请日:1938-06-16
Applicant: TELEFUNKEN GMBH
Inventor: KURT DIELS
CPC classification number: H01J29/48 , H01J3/02 , H01J29/481
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公开(公告)号:US2195505A
公开(公告)日:1940-04-02
申请号:US11300636
申请日:1936-11-27
Applicant: RCA CORP
Inventor: THOMPSON BROWDER J
IPC: H01J3/02
CPC classification number: H01J3/025 , H01J2893/0061
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公开(公告)号:US2072979A
公开(公告)日:1937-03-09
申请号:US44861330
申请日:1930-04-30
Applicant: BERTHA L CORDES
Inventor: CORDES BERTHA L
IPC: H01J3/02
CPC classification number: H01J3/025 , H01J2893/0061
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公开(公告)号:US2038397A
公开(公告)日:1936-04-21
申请号:US47957830
申请日:1930-09-03
Applicant: RADIO PATENTS CORP
Inventor: WEILLER PAUL G
CPC classification number: H01J17/04 , H01J3/025 , H01J2893/0061
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公开(公告)号:US1955391A
公开(公告)日:1934-04-17
申请号:US58478932
申请日:1932-01-05
Applicant: TELEFUNKEN GMBH
Inventor: FRITZ SCHROTER
CPC classification number: H01J21/36 , H01J3/025 , H01J2893/0061
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公开(公告)号:US1945639A
公开(公告)日:1934-02-06
申请号:US64179632
申请日:1932-11-08
Applicant: AMERICAN TELEPHONE & TELEGRAPH
Inventor: TOWNE HOLDEN WILLIAM HENRY
IPC: H01J3/02
CPC classification number: H01J3/025 , H01J2893/0061
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