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公开(公告)号:US2991454A
公开(公告)日:1961-07-04
申请号:US77896658
申请日:1958-12-08
Applicant: IBM
Inventor: HAMMER JAMES P
CPC classification number: H03K17/81 , F16K11/07 , G11C11/06007 , H03K17/30 , H03K19/086 , H03K19/212
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2.Process for converting glow discharge tubes to photoelectric tubes 失效
Title translation: 将辉光放电管转换为光电管的工艺-
公开(公告)号:US3055581A
公开(公告)日:1962-09-25
申请号:US61813556
申请日:1956-10-24
Applicant: IBM
Inventor: FRED SALTZ , HAMMER JAMES P
IPC: G06F7/02 , G11C11/403
CPC classification number: G11C11/403 , G06F7/026
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公开(公告)号:US2975405A
公开(公告)日:1961-03-14
申请号:US68250857
申请日:1957-09-06
Applicant: IBM
Inventor: HAMMER JAMES P
IPC: G06F3/06
CPC classification number: G06F3/0601 , G06F2003/0692 , G06F2003/0698
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公开(公告)号:US3062438A
公开(公告)日:1962-11-06
申请号:US78396958
申请日:1958-12-30
Applicant: IBM
Inventor: FARR JR LEO E , HAMMER JAMES P
CPC classification number: G06K17/00
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公开(公告)号:US3046528A
公开(公告)日:1962-07-24
申请号:US68251557
申请日:1957-09-06
Applicant: IBM
Inventor: ROWE THOMAS H , HAMMER JAMES P , KENNEDY CHARLES J
IPC: G06F3/06
CPC classification number: G06F3/0601 , G06F2003/0692 , G06F2003/0698
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7.Detection circuit for unwanted designations and blank columns 失效
Title translation: 检测电路用于不需要的指定和空白列公开(公告)号:US3021059A
公开(公告)日:1962-02-13
申请号:US66458657
申请日:1957-06-10
Applicant: IBM
Inventor: HAMMER JAMES P , SLATER JAY W
CPC classification number: G06K7/14
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