Patent US4176118A successfully refreshed from Google Patents.
US3231868A
Expired / Lapsed
US
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Memory arrangement for electronic data processing system
Assignee: NCR Voyix Corp
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Filing: 1962-03-05
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Granted: 1966-01-25
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Expires: 1982-03-05
Abstract
No abstract record available.
Inventors
- 👤 Bloom Leon
- 👤 Sigmund N Porter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:46
CPC Classifications
G; G11; G11C; G11C15/00; G11C15/04; G06; G06F; G06F12/00; G06F12/02; G06F12/08; G06F12/0802; G06F12/0804; G06F12/12; G06F12/121; G06F12/122; G06F7/00; G06F7/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
A MEMORY ARRANGEMENT FOR A DATA PROCESSING SYSTEM COMPRISING: A MAIN STORE PROVIDING A RANDON ACCESS TO WORDS OF INFORMATION STORED THEREIN; A MEMORY PROVIDING A FASTER ACCESS TO WORDS OF INFORMATION STORED THEREIN THAN PROVIDED BY SAID MAIN STORE, SAID MEMORY COMPRISING A PLURALITY OF REGISTERS FOR STORING WORDS OF INFORMATION AND PROVIDING RANDOM ACCESS THERETO FOR CURRENT USE IN SAID SYSTEM; ANALOG INDICATOR MEANS COUPLED TO SAID REGISTERS, SAID ALONG INDICATOR MEANS INCLUDING MEANS COUPLED TO SAID REGISTERS AND RESPONSIVE TO THE ACCESSING OF INFORMATION THEREFROM FOR INDICATING A REGISTER WHICH HAS HAD THE LEAST RECENT USAGE; AND LOGICAL CIRCUIT MEANS COUPLED TO SAID INDICATOR MEANS FOR DISPLACING WORDS OF INFORMATION IN SAID REGISTERS WHICH HAVE HAD THE LEAST RECENT USAGE TO PROVIDE STORAGE SPACE FOR NEW WORDS STORED IN THE MAIN STORE.
Claim 2
Dependent Claim
135 words
A MEMORY ARRANGEMENT FOR A DATA PROCESSING SYSTEM COMPRISING: A MAIN STORE PROVIDING A RANDON ACCESS TO WORDS OF INFORMATION STORED THEREIN; A MEMORY PROVIDING A FASTER ACCESS TO WORDS OF INFORMATION STORED THEREIN THAN PROVIDED BY SAID MAIN STORE, SAID MEMORY COMPRISING A PLURALITY OF REGISTERS FOR STORING WORDS OF INFORMATION AND PROVIDING RANDOM ACCESS THERETO FOR CURRENT USE IN SAID SYSTEM; ANALOG INDICATOR MEANS COUPLED TO SAID REGISTERS, SAID ALONG INDICATOR MEANS INCLUDING MEANS COUPLED TO SAID REGISTERS AND RESPONSIVE TO THE ACCESSING OF INFORMATION THEREFROM FOR INDICATING A REGISTER WHICH HAS HAD THE LEAST RECENT USAGE; AND LOGICAL CIRCUIT MEANS COUPLED TO SAID INDICATOR MEANS FOR DISPLACING WORDS OF INFORMATION IN SAID REGISTERS WHICH HAVE HAD THE LEAST RECENT USAGE TO PROVIDE STORAGE SPACE FOR NEW WORDS STORED IN THE MAIN STORE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-24 | 1969-07-26 | 1970-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-24 | 1973-07-26 | 1974-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-24 | 1977-07-26 | 1978-01-25 | $7700.00 | Window Closed / Lapsed |