Patent US1951461A successfully refreshed from Google Patents.
US3360786A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic core memory system
Assignee: Electro Mechanical Research Inc
•
Filing: 1963-04-30
•
Granted: 1967-12-26
•
Expires: 1983-04-30
Abstract
No abstract record available.
Inventors
- 👤 Thomas S Steele
- 👤 Wayne L Walters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:15
CPC Classifications
G; G11; G11C; G11C11/00; G11C11/02; G11C11/06; G11C11/06007; G11C11/06014; G11C11/06021; G11C11/06028; G11C11/06042
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
170 words
A MAGNETIC CORE MEMORY SYSTEM COMPRISING: A SYSTEM OF ELONGATED WORD LINES; FIRST AND SECOND SPACED APART SETS OF ELONGATED DIGIT LINES WHICH CROSS THE WORD LINES AT RECURRING JUNCTION POINTS; A PLURALITY OF MAGNETIC CORE ELEMENTS INDIVIDUALLY LOCATED AT DIFFERENT ONES OF THE JUNCTION POINTS; FIRST CONDUCTOR MEANS CONNECTING THE INDIVIDUAL DIGIT LINES OF THE FIRST SET IN SERIES WITH ONE ANOTHER; AND SECOND CONDUCTOR MEANS CONNECTING THE INDIVIDUAL DIGIT LINES OF THE SECOND SET IN SERIES WITH ONE ANOTHER IN SEQUENCES AND WITH POLARITIES SUCH THAT HALF OF THE DIGIT LINES OF THE SECOND SET WILL CARRY CURRENT IN A DIRECTION OPPOSITE TO THE DIRECTION IN WHICH HALF OF THE DIGIT LINES IN THE FIRST SET WILL CARRY CURRENT, WHILE THE REMAINDER OF THE DIGIT LINES OF THE SECOND SET WILL CARRY CURRENT IN THE SAME DIRECTION AS THE DIRECTION IN WHICH THE REMAINDER OF THE DIGIT LINES IN THE FIRST SET WILL CARRY CURRENT, THUS MINIMIZING THE NET INDUCTIVE COUPLING BETWEEN THE TWO SETS OF DIGIT LINES.
Claim 2
Dependent Claim
170 words
A MAGNETIC CORE MEMORY SYSTEM COMPRISING: A SYSTEM OF ELONGATED WORD LINES; FIRST AND SECOND SPACED APART SETS OF ELONGATED DIGIT LINES WHICH CROSS THE WORD LINES AT RECURRING JUNCTION POINTS; A PLURALITY OF MAGNETIC CORE ELEMENTS INDIVIDUALLY LOCATED AT DIFFERENT ONES OF THE JUNCTION POINTS; FIRST CONDUCTOR MEANS CONNECTING THE INDIVIDUAL DIGIT LINES OF THE FIRST SET IN SERIES WITH ONE ANOTHER; AND SECOND CONDUCTOR MEANS CONNECTING THE INDIVIDUAL DIGIT LINES OF THE SECOND SET IN SERIES WITH ONE ANOTHER IN SEQUENCES AND WITH POLARITIES SUCH THAT HALF OF THE DIGIT LINES OF THE SECOND SET WILL CARRY CURRENT IN A DIRECTION OPPOSITE TO THE DIRECTION IN WHICH HALF OF THE DIGIT LINES IN THE FIRST SET WILL CARRY CURRENT, WHILE THE REMAINDER OF THE DIGIT LINES OF THE SECOND SET WILL CARRY CURRENT IN THE SAME DIRECTION AS THE DIRECTION IN WHICH THE REMAINDER OF THE DIGIT LINES IN THE FIRST SET WILL CARRY CURRENT, THUS MINIMIZING THE NET INDUCTIVE COUPLING BETWEEN THE TWO SETS OF DIGIT LINES.
References Cited (Backward Citations)
US3172087A
Cited
US2897482A
Cited
US3134163A
Cited
US3155942A
Cited
US3154763A
Cited
US2995303A
Cited
US3075184A
Cited
US2975406A
Cited
US3155946A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-25 | 1971-06-26 | 1971-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-25 | 1975-06-26 | 1975-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-25 | 1979-06-26 | 1979-12-26 | $7700.00 | Window Closed / Lapsed |