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公开(公告)号:US3058659A
公开(公告)日:1962-10-16
申请号:US78410258
申请日:1958-12-31
Applicant: IBM
Inventor: DEMMER WILLIAM R , FOIN WARREN C , HARTMAN FRANK B
CPC classification number: G06F9/30018 , G06F9/30054 , G06F15/78
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公开(公告)号:US3168723A
公开(公告)日:1965-02-02
申请号:US3779860
申请日:1960-06-21
Applicant: IBM
Inventor: FOIN WARREN C , GREGORY RALPH A , HARTMAN FRANK B , TRACHY RICHARD A
IPC: G06F15/78
CPC classification number: G06F15/78
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公开(公告)号:US3121217A
公开(公告)日:1964-02-11
申请号:US4927660
申请日:1960-08-12
Applicant: IBM
Inventor: SEEBER JR ROBERT R , HARTMAN FRANK B
IPC: G11C15/02
CPC classification number: G11C15/02
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公开(公告)号:US3248556A
公开(公告)日:1966-04-26
申请号:US12102961
申请日:1961-06-30
Applicant: IBM
Inventor: HARTMAN FRANK B
IPC: H01P1/15
CPC classification number: H01P1/15
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5.Matrix encoder circuit employing plural trigger means each comprising a current switch and implication circuit 失效
Title translation: 采用多个触发装置的矩阵编码器电路,每个触发装置包括电流开关和暗含电路公开(公告)号:US3233223A
公开(公告)日:1966-02-01
申请号:US21992962
申请日:1962-08-28
Applicant: IBM
Inventor: BUELOW FRED K , HARTMAN FRANK B , LEON WILLETTE ERNEST
IPC: H03K19/086
CPC classification number: H03K19/086
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公开(公告)号:US3027081A
公开(公告)日:1962-03-27
申请号:US78449659
申请日:1959-01-02
Applicant: IBM
Inventor: EVANS OLIVER D , HARTMAN FRANK B
CPC classification number: G06F9/30018 , G06F9/30054 , G06F15/78
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公开(公告)号:US3026037A
公开(公告)日:1962-03-20
申请号:US78410358
申请日:1958-12-31
Applicant: IBM
Inventor: FOIN WARREN C , GREGORY RALPH A , HARTMAN FRANK B , TRACHY RICHARD A
CPC classification number: G06F9/30018 , G06F9/30054 , G06F15/78
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