US3245054A
Expired / Lapsed
US
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Inductive memory system with selectively operable inductive coupling
Assignee: International Business Machines Corp
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Filing: 1963-12-18
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Granted: 1966-04-05
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Expires: 1983-12-18
Abstract
No abstract record available.
Inventors
- 👤 Byron Ernest
- 👤 Bernard O Quinn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 00:27
CPC Classifications
G; G11; G11C; G11C17/00; G11C17/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
AN INDUCTIVE READ-ONLY MEMORY COMPRISING; A SET OF DRIVING CONDUCTORS, PORTIONS OF WHICH ARE SELECTIVELY INTERRUPTED TO REPRESENT STORED BINARY INFORMATION; AND A SET OF SENSING CONDUCTORS ARRANGED IN A GENERALLY TRANSVERSE NONCONDUCTIVE RELATIONSHIP WITH SAID SET OF DRIVING CONDUCTORS; EACH OF SAID DRIVING CONDUCTORS HAVING THE FOLLOWING PREDETERMINED PORTIONS THEREOF DISPOSED IN PROXIMITY TO EACH OF SAID SENSING CONDUTORS: A FIRST PORTION ADAPTED, WHEN NOT INTERRUPTED, TO PROVIDE A CONDUCTIVE PATH FOR DRIVING CURRENT HAVING A DIRECTION SUBSTANTIALLY AT RIGHT ANGLES TO THE DIRECTION IN WHICH THE ASSOCIATED SENSING CONDUCTOR EXTENDS, AND A SECOND PORTION ADAPTED IN PART TO PROVIDE A CONDUCTIVE PATH FOR DRIVING CURRENT HAVING A DIRECTION SUBSTANTIALLY PARALLEL WITH THE DIRECTION
Claim 2
Dependent Claim
115 words
AN INDUCTIVE READ-ONLY MEMORY COMPRISING; A SET OF DRIVING CONDUCTORS, PORTIONS OF WHICH ARE SELECTIVELY INTERRUPTED TO REPRESENT STORED BINARY INFORMATION; AND A SET OF SENSING CONDUCTORS ARRANGED IN A GENERALLY TRANSVERSE NONCONDUCTIVE RELATIONSHIP WITH SAID SET OF DRIVING CONDUCTORS; EACH OF SAID DRIVING CONDUCTORS HAVING THE FOLLOWING PREDETERMINED PORTIONS THEREOF DISPOSED IN PROXIMITY TO EACH OF SAID SENSING CONDUTORS: A FIRST PORTION ADAPTED, WHEN NOT INTERRUPTED, TO PROVIDE A CONDUCTIVE PATH FOR DRIVING CURRENT HAVING A DIRECTION SUBSTANTIALLY AT RIGHT ANGLES TO THE DIRECTION IN WHICH THE ASSOCIATED SENSING CONDUCTOR EXTENDS, AND A SECOND PORTION ADAPTED IN PART TO PROVIDE A CONDUCTIVE PATH FOR DRIVING CURRENT HAVING A DIRECTION SUBSTANTIALLY PARALLEL WITH THE DIRECTION
References Cited (Backward Citations)
US3130388A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-04 | 1969-10-04 | 1970-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-04 | 1973-10-04 | 1974-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-04 | 1977-10-04 | 1978-04-05 | $7700.00 | Window Closed / Lapsed |