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1.Transistor switching circuits including an inverter stage driving an emitter-follower stage 失效
Title translation: 晶体管开关电路包括驱动发射极跟随器级的反相器级公开(公告)号:US3003070A
公开(公告)日:1961-10-03
申请号:US70648657
申请日:1957-12-31
Applicant: IBM
Inventor: ROY HARPER LEONARD
IPC: H03K3/012 , H03K17/60 , H03K19/082
CPC classification number: H03K3/012 , H03K17/60 , H03K19/082
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公开(公告)号:US3105144A
公开(公告)日:1963-09-24
申请号:US85095559
申请日:1959-11-04
Applicant: IBM
Inventor: ROY HARPER LEONARD
IPC: G06F7/38
CPC classification number: G06F7/386
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公开(公告)号:US3028583A
公开(公告)日:1962-04-03
申请号:US52758655
申请日:1955-08-10
Applicant: IBM
Inventor: FERNEKEES JAMES E , ROY HARPER LEONARD
IPC: G06F15/78
CPC classification number: G06F15/78
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公开(公告)号:US3154676A
公开(公告)日:1964-10-27
申请号:US10541161
申请日:1961-04-25
Applicant: IBM
Inventor: ROY HARPER LEONARD
CPC classification number: G06F7/495
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公开(公告)号:US3102986A
公开(公告)日:1963-09-03
申请号:US2878660
申请日:1960-05-12
Applicant: IBM
Inventor: ROY HARPER LEONARD
IPC: H03K3/78
CPC classification number: H03K3/78
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公开(公告)号:US2966304A
公开(公告)日:1960-12-27
申请号:US53009155
申请日:1955-08-23
Applicant: IBM
Inventor: ROY HARPER LEONARD
CPC classification number: G06F7/4985
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7.
公开(公告)号:US3350662A
公开(公告)日:1967-10-31
申请号:US49936665
申请日:1965-10-21
Applicant: IBM
Inventor: ROY HARPER LEONARD
CPC classification number: H03B5/36 , H03B5/04 , H03B5/362 , H03B2200/0034 , H03K3/283
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公开(公告)号:US3274569A
公开(公告)日:1966-09-20
申请号:US11862361
申请日:1961-06-21
Applicant: IBM
Inventor: ROY HARPER LEONARD
CPC classification number: G11C11/06007
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9.Ring counter using a walking code and having a common pulsing line 失效
Title translation: 使用行走码并具有公共脉冲线的振铃计数器公开(公告)号:US3051853A
公开(公告)日:1962-08-28
申请号:US78959559
申请日:1959-01-28
Applicant: IBM
Inventor: ROY HARPER LEONARD
CPC classification number: G06F9/30 , H03K23/002 , Y10T307/806
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公开(公告)号:US2937291A
公开(公告)日:1960-05-17
申请号:US70652457
申请日:1957-12-31
Applicant: IBM
Inventor: ROY HARPER LEONARD
IPC: H03K3/284
CPC classification number: H03K3/284
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