US3290659A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Content addressable memory apparatus
Assignee: Bunker Ramo Corp
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Filing: 1963-12-30
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Granted: 1966-12-06
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Expires: 1983-12-30
Abstract
No abstract record available.
Inventors
- 👤 Richard H Fuller
- 👤 Robert N Mellott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:31
CPC Classifications
G; G11; G11C; G11C15/00; G11C15/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
IN COMBINATION WITH A CONTENT COHERENT ADDRESSABLE MEMORY INCLUDING MEANS FOR SIMULTANEOUSLY COMPARING A SEARCH DATA WORD WITH STORED DATA WORDS TOGETHER WITH A SELECTION DEVICE INCLUDING N BINARY STAGES, EACH STAGE BEING RESPONSIVE TO A MISMATCH COMPARISON BETWEEN SAID SEARCH DATA WORD AND A DIFFERENT ONE OF SAID STORED DATA WORDS FOR SWITCHING FROM A FIRST TO A SECOND INFORMATION STATE; MEANS FOR PERIODICALLY MODIFYING SAID SEARCH DATA WORD AND FOR SHIFTING THE INFORMATION STATE STORED IN EACH OF SAID BINARY STAGES TO AN IMMEDIATELY SUBSEQUENT BINARY STAGE.
Claim 2
Dependent Claim
89 words
IN COMBINATION WITH A CONTENT COHERENT ADDRESSABLE MEMORY INCLUDING MEANS FOR SIMULTANEOUSLY COMPARING A SEARCH DATA WORD WITH STORED DATA WORDS TOGETHER WITH A SELECTION DEVICE INCLUDING N BINARY STAGES, EACH STAGE BEING RESPONSIVE TO A MISMATCH COMPARISON BETWEEN SAID SEARCH DATA WORD AND A DIFFERENT ONE OF SAID STORED DATA WORDS FOR SWITCHING FROM A FIRST TO A SECOND INFORMATION STATE; MEANS FOR PERIODICALLY MODIFYING SAID SEARCH DATA WORD AND FOR SHIFTING THE INFORMATION STATE STORED IN EACH OF SAID BINARY STAGES TO AN IMMEDIATELY SUBSEQUENT BINARY STAGE.
References Cited (Backward Citations)
US3195109A
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 |