Patent US3292153A successfully refreshed from Google Patents.
US3292153A
Expired / Lapsed
US
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Memory system
Assignee: Unisys Corp
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Filing: 1962-10-01
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Granted: 1966-12-13
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Expires: 1982-10-01
Abstract
No abstract record available.
Inventors
- 👤 Robert S Barton
- 👤 William K Orr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:10
CPC Classifications
G; G11; G11C; G11C15/00; G06; G06F; G06F12/00; G06F12/02; G06F12/08; G06F12/0802; G06F12/0804
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
204 words
IN A MEMORY SYSTEM HAVING A HIGH WORD CAPACITY MEMORY CHARACTERIZED BY A HIGH ACCESS TIME, A FIRST INFORMATION REGISTER COUPLED TO SAID MEMORY FOR RECEIVING INFORMATION READ OUT OF MEMORY AND TO BE WRITTEN THEREIN, MEANS COUPLED TO SAID MEMORY FOR READING PRESELECTED INFORMATION THEREFROM AND TANSFERRING SAME TO SAID FIRST INFORMATION REGISTER, A FIRST CONTROL REGISTER FOR STORING AN INSTRUCTION TO BE EXECUTED, A FIRST CONTROL COUNTER FOR INDICATING THE ADDRESS OF THE NEXT INSTRUCTION TO BE EXECUTED, A LOW WORD CAPACITY ASSOCIATIVE MEMORY CHARACTERIZED BY A RELATIVELY LOW ACCESS TIME, AN ADDRESS REGISTER COUPLED TO SAID ASSOCIATIVE MEMORY FOR INTERROGATING THE MEMORY, EACH ASSOCIATIVE MEMORY POSITION HAVING A USAGE INDICATOR FOR INDICATING THE USAGE OR NON-USAGE OF THE INFORMATION IN AN EXECUTION CYCLE AND ALL ARRANGED TO NORMALLY INDICATE NON-USAGE, SEQUENTIAL INDICATING MEANS ARRANGED WITH SAID USAGE INDICATORS FOR INDICATING THE LAST USED INFORMATION IN THE HIGH SPEED MEMORY DURING AN EXECUTION CYCLE, A SECOND CONTROL REGISTER FOR STORING INFORMATION LAST TRANSFERRED TO THE ASSOCIATIVE MEMORY, A SECOND CONTROL COUNTER FOR INDICATING THE ADDRESS OF THE NEXT INSTRUCTION TO BE TRANSFERRED TO THE ASSOCIATIVE MEMORY, AND CONTROL MEANS FOR CONTROLLING THE TRANSFER OF INFORMATION BETWEEN SAID MEMORIES IN A PRESELECTED SEQUENCE.
Claim 2
Dependent Claim
204 words
IN A MEMORY SYSTEM HAVING A HIGH WORD CAPACITY MEMORY CHARACTERIZED BY A HIGH ACCESS TIME, A FIRST INFORMATION REGISTER COUPLED TO SAID MEMORY FOR RECEIVING INFORMATION READ OUT OF MEMORY AND TO BE WRITTEN THEREIN, MEANS COUPLED TO SAID MEMORY FOR READING PRESELECTED INFORMATION THEREFROM AND TANSFERRING SAME TO SAID FIRST INFORMATION REGISTER, A FIRST CONTROL REGISTER FOR STORING AN INSTRUCTION TO BE EXECUTED, A FIRST CONTROL COUNTER FOR INDICATING THE ADDRESS OF THE NEXT INSTRUCTION TO BE EXECUTED, A LOW WORD CAPACITY ASSOCIATIVE MEMORY CHARACTERIZED BY A RELATIVELY LOW ACCESS TIME, AN ADDRESS REGISTER COUPLED TO SAID ASSOCIATIVE MEMORY FOR INTERROGATING THE MEMORY, EACH ASSOCIATIVE MEMORY POSITION HAVING A USAGE INDICATOR FOR INDICATING THE USAGE OR NON-USAGE OF THE INFORMATION IN AN EXECUTION CYCLE AND ALL ARRANGED TO NORMALLY INDICATE NON-USAGE, SEQUENTIAL INDICATING MEANS ARRANGED WITH SAID USAGE INDICATORS FOR INDICATING THE LAST USED INFORMATION IN THE HIGH SPEED MEMORY DURING AN EXECUTION CYCLE, A SECOND CONTROL REGISTER FOR STORING INFORMATION LAST TRANSFERRED TO THE ASSOCIATIVE MEMORY, A SECOND CONTROL COUNTER FOR INDICATING THE ADDRESS OF THE NEXT INSTRUCTION TO BE TRANSFERRED TO THE ASSOCIATIVE MEMORY, AND CONTROL MEANS FOR CONTROLLING THE TRANSFER OF INFORMATION BETWEEN SAID MEMORIES IN A PRESELECTED SEQUENCE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-12 | 1970-06-13 | 1970-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-12 | 1974-06-13 | 1974-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-12 | 1978-06-13 | 1978-12-13 | $7700.00 | Window Closed / Lapsed |