US3292159A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Content addressable memory
Assignee: Bunker Ramo Corp
•
Filing: 1963-12-10
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Granted: 1966-12-13
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Expires: 1983-12-10
Abstract
No abstract record available.
Inventors
- 👤 Ralph J Koerner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:01
CPC Classifications
G; G11; G11C; G11C15/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
A CONTENT ADDRESSABLE MEMORY COMPRISING: A MATRIX OF IDENTICAL MEMORY ELEMENTS RESPECTIVELY INCLUDING N ROWS OF ELEMENTS, EACH ROW COMPRISING A MEMORY LOCATION CAPABLE OF STORING A WORD, AND Q COLUMNS OF ELEMENTS, EACH COLUMN INCLUDING A CORRESPONDINGLY POSITIONED MEMORY ELEMENT FROM EACH LOCATION, EACH OF SAID ELEMENTS CAPABLE OF ASSUMING AT LEAST TWO DIFFERENT STATES; MEANS FOR SEQUENTIALLY INTERROGATING ON A COLUMN BY COLUMN BASIS ALL OF THE ELEMENTS IN EACH COLUMN TO DEVELOP SUCCESSIVE SETS OF INDICATING SIGNALS, EACH SIGNAL OF A GIVEN SET INDICATING THE STATE OF A DIFFERENT ONE OF THE INTERROGATED MEMORY ELEMENTS; AND MEANS FOR EFFECTIVELY COMBINING A PREDETERMINED ONE OF SAID SIGNALS IN A GIVEN SET WITH EACH OTHER SIGNAL IN SAID SET.
Claim 2
Dependent Claim
120 words
A CONTENT ADDRESSABLE MEMORY COMPRISING: A MATRIX OF IDENTICAL MEMORY ELEMENTS RESPECTIVELY INCLUDING N ROWS OF ELEMENTS, EACH ROW COMPRISING A MEMORY LOCATION CAPABLE OF STORING A WORD, AND Q COLUMNS OF ELEMENTS, EACH COLUMN INCLUDING A CORRESPONDINGLY POSITIONED MEMORY ELEMENT FROM EACH LOCATION, EACH OF SAID ELEMENTS CAPABLE OF ASSUMING AT LEAST TWO DIFFERENT STATES; MEANS FOR SEQUENTIALLY INTERROGATING ON A COLUMN BY COLUMN BASIS ALL OF THE ELEMENTS IN EACH COLUMN TO DEVELOP SUCCESSIVE SETS OF INDICATING SIGNALS, EACH SIGNAL OF A GIVEN SET INDICATING THE STATE OF A DIFFERENT ONE OF THE INTERROGATED MEMORY ELEMENTS; AND MEANS FOR EFFECTIVELY COMBINING A PREDETERMINED ONE OF SAID SIGNALS IN A GIVEN SET WITH EACH OTHER SIGNAL IN SAID SET.
References Cited (Backward Citations)
CA634051A
Cited
US2666884A
Cited
US2832897A
Cited
US2913881A
Cited
US3292160A
Cited
US3031650A
Cited
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 |