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公开(公告)号:US2750455A
公开(公告)日:1956-06-12
申请号:US35795853
申请日:1953-05-28
Applicant: IBM
Inventor: JOHN GEISLER HELMUT
IPC: H05H1/00
CPC classification number: H05H1/00
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公开(公告)号:US2730655A
公开(公告)日:1956-01-10
申请号:US34198953
申请日:1953-03-12
Applicant: IBM
Inventor: JOHN GEISLER HELMUT
IPC: H03K23/82
CPC classification number: H03K23/82
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公开(公告)号:US2897402A
公开(公告)日:1959-07-28
申请号:US35795753
申请日:1953-05-28
Applicant: IBM
Inventor: JOHN GEISLER HELMUT , YOUNG DONALD R
IPC: H01J17/58
CPC classification number: H01J17/58
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公开(公告)号:US2837641A
公开(公告)日:1958-06-03
申请号:US38368053
申请日:1953-10-01
Applicant: IBM
Inventor: JOHN GEISLER HELMUT
CPC classification number: G06F7/4985 , G06F5/015 , H01J17/44 , H01J2893/0068 , H03K17/52 , H03K17/54
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