Patent US3144550A successfully refreshed from Google Patents.
US3144550A
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Program-control unit comprising an index register
Assignee: International Standard Electric Corp
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Filing: 1959-02-26
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Granted: 1964-08-11
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Expires: 1979-02-26
Abstract
No abstract record available.
Inventors
- 👤 Basten Rolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:57
CPC Classifications
G; G06; G06F; G06F9/00; G06F9/06; G06F9/46; G06F9/48; G06F9/4806; G06F9/4812; G06F13/00; G06F13/14; G06F13/16; G06F13/18; G06F13/38; G06F13/40; G06F13/4004; G06F13/4022; G06F3/00; G06F3/12; G06F9/30; G06F9/32; G06F9/321; G06F9/34; G06F9/355; G06F9/3557
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
191 words
THE COMBINATION WITH AN INDEX REGISTER, HAVING A PLURALITY OF ROWS OF STORAGE ELEMENTS FOR STORING INSTRUCTIONS, OF MEANS FOR UTILIZING A PARTICULAR ROW IN SAID REGISTER FOR AN INSTRUCTION STEP ADDRESS STORAGE COMPRISING: (A) MEANS FOR PRODUCING A PLURALITY OF TIME SEQUENTIAL PULSES; (B) MEANS UNDER CONTROL OF A PARTICULAR PULSE FOR SELECTING THE SAID PARTICULAR ROW; (C) A STEPPING ADDRESS REGISTER; (D) MEANS UNDER CONTROL OF A PARTICULAR PULSE FOR TRANSFERRING THE INFORMATION IN SAID PARTICULAR ROW INTO SAID STEPPING REGISTER; (E) A CALCULATOR UNIT CONNECTED IN SERIES BETWEEN THE ADDRESS REGISTER OUTPUT AND INPUT; (F) MEANS RESPONSIVE TO SEVERAL PARTICULAR PULSES IN SAID PLURALITY OF PULSES FOR CAUSING THE CONTENTS OF SAID STEPPING ADDRESS REGISTER TO PASS THEREFROM THROUGH SAID CALCULATOR UNIT AND BACK INTO SAID STEPPING REGISTER, WHEREBY THE SAID CONTENTS ARE ALTERED IN A PREDETERMINED MANNER; (G) AN OUTPUT COUPLED TO SAID STEPPING ADDRESS REGISTER; (H) MEANS UNDER CONTROL OF A PARTICULAR PULSE FOR SENDING THE ALTERED CONTENTS OF SAID STEPPING REGISTER OVER SAID OUTPUT; (I) AND MEANS RESPONSIVE TO A PARTICULAR PULSE FOR RESTORING THE ALTERED CONTENTS OF SAID STEPPING REGISTER TO SAID PARTICULAR ROW.
Claim 2
Dependent Claim
191 words
THE COMBINATION WITH AN INDEX REGISTER, HAVING A PLURALITY OF ROWS OF STORAGE ELEMENTS FOR STORING INSTRUCTIONS, OF MEANS FOR UTILIZING A PARTICULAR ROW IN SAID REGISTER FOR AN INSTRUCTION STEP ADDRESS STORAGE COMPRISING: (A) MEANS FOR PRODUCING A PLURALITY OF TIME SEQUENTIAL PULSES; (B) MEANS UNDER CONTROL OF A PARTICULAR PULSE FOR SELECTING THE SAID PARTICULAR ROW; (C) A STEPPING ADDRESS REGISTER; (D) MEANS UNDER CONTROL OF A PARTICULAR PULSE FOR TRANSFERRING THE INFORMATION IN SAID PARTICULAR ROW INTO SAID STEPPING REGISTER; (E) A CALCULATOR UNIT CONNECTED IN SERIES BETWEEN THE ADDRESS REGISTER OUTPUT AND INPUT; (F) MEANS RESPONSIVE TO SEVERAL PARTICULAR PULSES IN SAID PLURALITY OF PULSES FOR CAUSING THE CONTENTS OF SAID STEPPING ADDRESS REGISTER TO PASS THEREFROM THROUGH SAID CALCULATOR UNIT AND BACK INTO SAID STEPPING REGISTER, WHEREBY THE SAID CONTENTS ARE ALTERED IN A PREDETERMINED MANNER; (G) AN OUTPUT COUPLED TO SAID STEPPING ADDRESS REGISTER; (H) MEANS UNDER CONTROL OF A PARTICULAR PULSE FOR SENDING THE ALTERED CONTENTS OF SAID STEPPING REGISTER OVER SAID OUTPUT; (I) AND MEANS RESPONSIVE TO A PARTICULAR PULSE FOR RESTORING THE ALTERED CONTENTS OF SAID STEPPING REGISTER TO SAID PARTICULAR ROW.
References Cited (Backward Citations)
US2767908A
Cited
US2927732A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-11 | 1968-02-10 | 1968-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-11 | 1972-02-10 | 1972-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-11 | 1976-02-10 | 1976-08-11 | $7700.00 | Window Closed / Lapsed |