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公开(公告)号：US2185807A
公开(公告)日：1940-01-02
申请号：US20095938
申请日：1938-04-08
Applicant: GEN ELECTRIC
Inventor： DENNIS GABOR , LEONARD RUSHFORTH
CPC classification number: H01J29/82 , H01J29/485
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公开(公告)号：US2512887A
公开(公告)日：1950-06-27
申请号：US71706046
申请日：1946-12-18
Applicant: GEN ELECTRIC
Inventor： DAVIES LEONARD J , LEONARD RUSHFORTH , SINCLAIR WILLIAM D , MILNER CHRISTOPHER J
IPC: H01J25/12
CPC classification number: H01J25/12
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