US3139610A
Expired / Lapsed
US
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Magnetic-core memory construction
Assignee: Ampex Corp
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Filing: 1961-11-06
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Granted: 1964-06-30
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Expires: 1981-11-06
Abstract
No abstract record available.
Inventors
- 👤 Crown Lionel
- 👤 Markowitz Seymour
- 👤 Slotnick David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:09
CPC Classifications
G; G11; G11C; G11C5/00; G11C5/02; G11C5/04; G11C5/05; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4902; Y10T29/49069
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
276 words
AN IMPROVED STRUCTURE FOR A MAGNETIC-CORE MEMORY COMPRISING A PLURALITY OF RECTANGULAR ARRAYS OF CORES, EACH ARRAY INCLUDING CORES DISPOSED IN COLUMNS AND ROWS, A RECTANGULAR FRAME FOR EACH ARRAY, EACH SAID RECTANGULAR FRAME HAVING A RECTANGULAR OPENING POSITIONED WITH ITS TWO DIAGONALS PARALLEL TO TWO ADJACENT SIDES OF SAID RECTANGULAR FRAME, SAID OPENING BEING LARGE ENOUGH TO RECEIVE A CORE ARRAY AND WITHIN WHICH A CORE ARRAY IS POSITIONED, EACH OF SAID FRAME HAVING A RECTANGULAR OPENING ADJACENT EACH OF THE SIDES OF THE OPENING FOR A CORE ARRAY, A SEPARATE ROW WINDING FOR EACH DIFFERENT ROW OF CORES IN ALL OF THE MAGNETIC-CORE ARRAYS, A SEPARATE COLUMN WINDING FOR EACH DIFFERENT COLUMN OF CORES IN ALL OF THE MAGNETIC-CORE ARRAYS, EACH SAID ROW WINDING CONSTITUTING A WIRE WHICH THREADS UNINTERRUPTEDLY AND WITHOUT ANY INTERVENING TERMINATIONS THROUGH THE OPENINGS IN EACH FRAME ADJACENT THE ROWS OF CORES AND THROUGH EACH ROW OF CORES WHICH IS CORRESPONDINGLY LOCATED IN EACH OF THE CORE ARRAYS, EACH SAID COLUMN WINDING CONSTITUTING A WIRE WHICH THREADS UNINTERRUPTEDLY AND WITHOUT ANY INTERVENING TERMINATIONS THROUGH THE OPENINGS IN EACH FRAME ADJACENT THE COLUMNS OF CORES AND THROUGH EACH COLUMN OF CORES WHICH IS CORRESPONDINGLY LOCATED IN EACH OF THE CORE ARRAYS, THE DIRECTION OF THREADING OF EACH ROW-WINDING WIRE THROUGH EACH ROW OF CORES BEING REVERSED ON EACH SUCCEEDING CORE PLANE, THE DIRECTION OF THE THREADING OF EACH COLUMN-WINDING WIRE THROUGH EACH COLUMN OF CORES BEING REVERSED ON EACH SUCCEEDING CORE PLANE, BOTH SAID ROW WINDING AND COLUMN WINDING WIRES EXTENDING PARALLEL TO ONE ANOTHER FROM ONE SIDE OF A CORE PLANE TO AN ADJACENT SIDE OF AN ADJACENT CORE PLANE.
Claim 2
Dependent Claim
276 words
AN IMPROVED STRUCTURE FOR A MAGNETIC-CORE MEMORY COMPRISING A PLURALITY OF RECTANGULAR ARRAYS OF CORES, EACH ARRAY INCLUDING CORES DISPOSED IN COLUMNS AND ROWS, A RECTANGULAR FRAME FOR EACH ARRAY, EACH SAID RECTANGULAR FRAME HAVING A RECTANGULAR OPENING POSITIONED WITH ITS TWO DIAGONALS PARALLEL TO TWO ADJACENT SIDES OF SAID RECTANGULAR FRAME, SAID OPENING BEING LARGE ENOUGH TO RECEIVE A CORE ARRAY AND WITHIN WHICH A CORE ARRAY IS POSITIONED, EACH OF SAID FRAME HAVING A RECTANGULAR OPENING ADJACENT EACH OF THE SIDES OF THE OPENING FOR A CORE ARRAY, A SEPARATE ROW WINDING FOR EACH DIFFERENT ROW OF CORES IN ALL OF THE MAGNETIC-CORE ARRAYS, A SEPARATE COLUMN WINDING FOR EACH DIFFERENT COLUMN OF CORES IN ALL OF THE MAGNETIC-CORE ARRAYS, EACH SAID ROW WINDING CONSTITUTING A WIRE WHICH THREADS UNINTERRUPTEDLY AND WITHOUT ANY INTERVENING TERMINATIONS THROUGH THE OPENINGS IN EACH FRAME ADJACENT THE ROWS OF CORES AND THROUGH EACH ROW OF CORES WHICH IS CORRESPONDINGLY LOCATED IN EACH OF THE CORE ARRAYS, EACH SAID COLUMN WINDING CONSTITUTING A WIRE WHICH THREADS UNINTERRUPTEDLY AND WITHOUT ANY INTERVENING TERMINATIONS THROUGH THE OPENINGS IN EACH FRAME ADJACENT THE COLUMNS OF CORES AND THROUGH EACH COLUMN OF CORES WHICH IS CORRESPONDINGLY LOCATED IN EACH OF THE CORE ARRAYS, THE DIRECTION OF THREADING OF EACH ROW-WINDING WIRE THROUGH EACH ROW OF CORES BEING REVERSED ON EACH SUCCEEDING CORE PLANE, THE DIRECTION OF THE THREADING OF EACH COLUMN-WINDING WIRE THROUGH EACH COLUMN OF CORES BEING REVERSED ON EACH SUCCEEDING CORE PLANE, BOTH SAID ROW WINDING AND COLUMN WINDING WIRES EXTENDING PARALLEL TO ONE ANOTHER FROM ONE SIDE OF A CORE PLANE TO AN ADJACENT SIDE OF AN ADJACENT CORE PLANE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-30 | 1967-12-30 | 1968-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-30 | 1971-12-30 | 1972-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-30 | 1975-12-30 | 1976-06-30 | $7700.00 | Window Closed / Lapsed |