US3290656A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Associative memory for subroutines
Assignee: International Business Machines Corp
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Filing: 1963-06-28
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Granted: 1966-12-06
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Expires: 1983-06-28
Abstract
No abstract record available.
Inventors
- 👤 Arwin B Lindquist
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:02
CPC Classifications
G; G11; G11C; G11C15/00; G11C15/06; G11C11/00; G11C11/21; G11C11/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
AN INFORMATION STORAGE SYSTEM COMPRISING AN ASSOCIATIVE INFORMATION STORAGE UNIT REQUIRING RELATIVELY SHORT INFORMATION-ACCESS TIME AND HAVING A RELATIVELY SMALL NUMBER OF DISCRETE STORAGE LOCATIONS, MEANS RESPONSIVE TO EACH SUCCEEDING ONE OF A PRESELECTED TYPE OF ADDRESS-SELECTED READ-OUT OPERATION OF A STORAGE UNIT HAVING LARGE INFORMATION WORD CAPACITY BUT RELATIVELY LONG ACCESS TIME FOR AUTOMATICALLY EFFECTING STORAGE IN SUCCESSIVELY SELECTED STORAGE LOCATIONS OF SAID ASSOCIATIVE STORAGE UNIT OF AT LEAST AN IDENTIFIABLE PORTION OF THE ADDRESS SUPPLIED TO THE LARGE CAPACITY STORAGE UNIT AND AT LEAST A PORTION OF THE ADDRESS-SELECTED WORD READ THEREFROM, AND MEANS CONTROLLED BY AN IDENTIFYING PORTION OF A SELECTION ADDRESS SUPPLIED AT ANY TIME TO SAID ASSOCIATIVE STORAGE UNIT FOR EFFECTING RAPID-ACCESS INFORMATION TRANSLATION WITH RESPECT TO ANY STORAGE LOCATION THEREOF WHICH STORES AN ADDRESS IDENTIFYING PORTION CORRESPONDING TO SAID IDENTIFYING PORTION OF THE SELECTION ADDRESS.
Claim 2
Dependent Claim
141 words
AN INFORMATION STORAGE SYSTEM COMPRISING AN ASSOCIATIVE INFORMATION STORAGE UNIT REQUIRING RELATIVELY SHORT INFORMATION-ACCESS TIME AND HAVING A RELATIVELY SMALL NUMBER OF DISCRETE STORAGE LOCATIONS, MEANS RESPONSIVE TO EACH SUCCEEDING ONE OF A PRESELECTED TYPE OF ADDRESS-SELECTED READ-OUT OPERATION OF A STORAGE UNIT HAVING LARGE INFORMATION WORD CAPACITY BUT RELATIVELY LONG ACCESS TIME FOR AUTOMATICALLY EFFECTING STORAGE IN SUCCESSIVELY SELECTED STORAGE LOCATIONS OF SAID ASSOCIATIVE STORAGE UNIT OF AT LEAST AN IDENTIFIABLE PORTION OF THE ADDRESS SUPPLIED TO THE LARGE CAPACITY STORAGE UNIT AND AT LEAST A PORTION OF THE ADDRESS-SELECTED WORD READ THEREFROM, AND MEANS CONTROLLED BY AN IDENTIFYING PORTION OF A SELECTION ADDRESS SUPPLIED AT ANY TIME TO SAID ASSOCIATIVE STORAGE UNIT FOR EFFECTING RAPID-ACCESS INFORMATION TRANSLATION WITH RESPECT TO ANY STORAGE LOCATION THEREOF WHICH STORES AN ADDRESS IDENTIFYING PORTION CORRESPONDING TO SAID IDENTIFYING PORTION OF THE SELECTION ADDRESS.
References Cited (Backward Citations)
US2995729A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |