US3104380A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Memory system
Assignee: International Business Machines Corp
•
Filing: 1959-11-27
•
Granted: 1963-09-17
•
Expires: 1979-11-27
Abstract
No abstract record available.
Inventors
- 👤 Luther H Haibt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:02
CPC Classifications
G; G11; G11C; G11C15/00; G11C15/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
285 words
IN A MEMORY SYSTEM OF THE TYPE INCLUDING A PLURALITY OF STORAGE DEVICES ARRANGED IN COLUMNS AND ROWS WHEREIN A WORD OF INFORMATION IS STORED IN THE STORAGE DEVICES IN EACH COLUMN AND THE MEMORY IS ADDRESSED BY COMPARING A PORTION ONLY OF EACH WORD STORED IN THE MEMORY SYSTEM WITH AN INTERROGATION TAG; A PLURALITY OF COMPARE MEANS EACH COUPLED TO THE STORAGE DEVICES IN AN ASSOCIATED ROW OF SAID MEMORY SYSTEM; A PLURALITY OF OUTPUT LINES EACH COUPLED TO THE STORAGE DEVICES IN AN ASSOCIATED COLUMN OF SAID MEMORY SYSTEM; EACH OF SAID STORAGE DEVICES INCLUDING FIRST AND SECOND STORAGE ELEMENTS EACH CAPABLE OF ASSUMING FIRST AND SECOND STABLE STATES; EACH SAID STORAGE DEVICE STORING A BINARY ONE WHEN THE FIRST STORAGE ELEMENT IS IN SAID FIRST STABLE STATE AND THE SECOND STORAGE ELEMENT IS IN SAID SECOND STABLE STATE AND STORING A BINARY ZERO WHEN THE FIRST STORAGE ELEMENT IS IN SAID SECOND STABLE STATE AND THE SECOND STORAGE ELEMENT IS IN SAID FIRST STABLE STATE; EACH OF SAID COMPARE MEANS INCLUDING A BINARY ONE SIGNAL LINE COUPLED TO THE FIRST STORAGE ELEMENT OF EACH OF THE STORAGE DEVICES IN THE ROW WITH WHICH THE COMPARE MEANS IS ASSOCIATED AND A BINARY ZERO SIGNAL LINE COUPLED TO THE SECOND STORAGE ELEMENT OF EACH OF THE STORAGE DEVICES IN THE ROW WITH WHICH THE COMPARE MEANS IS ASSOCIATED; EACH OF SAID OUTPUT LINES BEING COUPLED TO BOTH THE FIRST AND SECOND STORAGE ELEMENTS FOR THE STORAGE DEVICES IN THE COLUMN WITH WHICH IT IS ASSOCIATED; AND MEANS FOR CAUSING THE TAG TO BE COMPARED WITH THE PORTION OF EACH OF THE WORDS STORED IN SELECTED ROWS IN SAID MEMORY BY APPLYING ENERGIZING SIG-
Claim 2
Dependent Claim
285 words
IN A MEMORY SYSTEM OF THE TYPE INCLUDING A PLURALITY OF STORAGE DEVICES ARRANGED IN COLUMNS AND ROWS WHEREIN A WORD OF INFORMATION IS STORED IN THE STORAGE DEVICES IN EACH COLUMN AND THE MEMORY IS ADDRESSED BY COMPARING A PORTION ONLY OF EACH WORD STORED IN THE MEMORY SYSTEM WITH AN INTERROGATION TAG; A PLURALITY OF COMPARE MEANS EACH COUPLED TO THE STORAGE DEVICES IN AN ASSOCIATED ROW OF SAID MEMORY SYSTEM; A PLURALITY OF OUTPUT LINES EACH COUPLED TO THE STORAGE DEVICES IN AN ASSOCIATED COLUMN OF SAID MEMORY SYSTEM; EACH OF SAID STORAGE DEVICES INCLUDING FIRST AND SECOND STORAGE ELEMENTS EACH CAPABLE OF ASSUMING FIRST AND SECOND STABLE STATES; EACH SAID STORAGE DEVICE STORING A BINARY ONE WHEN THE FIRST STORAGE ELEMENT IS IN SAID FIRST STABLE STATE AND THE SECOND STORAGE ELEMENT IS IN SAID SECOND STABLE STATE AND STORING A BINARY ZERO WHEN THE FIRST STORAGE ELEMENT IS IN SAID SECOND STABLE STATE AND THE SECOND STORAGE ELEMENT IS IN SAID FIRST STABLE STATE; EACH OF SAID COMPARE MEANS INCLUDING A BINARY ONE SIGNAL LINE COUPLED TO THE FIRST STORAGE ELEMENT OF EACH OF THE STORAGE DEVICES IN THE ROW WITH WHICH THE COMPARE MEANS IS ASSOCIATED AND A BINARY ZERO SIGNAL LINE COUPLED TO THE SECOND STORAGE ELEMENT OF EACH OF THE STORAGE DEVICES IN THE ROW WITH WHICH THE COMPARE MEANS IS ASSOCIATED; EACH OF SAID OUTPUT LINES BEING COUPLED TO BOTH THE FIRST AND SECOND STORAGE ELEMENTS FOR THE STORAGE DEVICES IN THE COLUMN WITH WHICH IT IS ASSOCIATED; AND MEANS FOR CAUSING THE TAG TO BE COMPARED WITH THE PORTION OF EACH OF THE WORDS STORED IN SELECTED ROWS IN SAID MEMORY BY APPLYING ENERGIZING SIG-
References Cited (Backward Citations)
US2932688A
Cited
US2719773A
Cited
US2935732A
Cited
US2802953A
Cited
US2973508A
Cited
US3031650A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-16 | 1967-03-18 | 1967-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-16 | 1971-03-18 | 1971-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-16 | 1975-03-18 | 1975-09-17 | $7700.00 | Window Closed / Lapsed |