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Patent US3296600A successfully refreshed from Google Patents.
US3296600A
Expired / Lapsed
US
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Magnetic core switching device
Assignee: International Business Machines Corp
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Filing: 1961-07-17
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Granted: 1967-01-03
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Expires: 1981-07-17
Abstract
No abstract record available.
Inventors
- 👤 Einsele Theodor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:30
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/51; H03K17/80; H03K17/81
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
A MAGNETIC CORE MATRIX COMPRISING A PLURALITY OF BISTABLE MAGNETIC CORES HAVING FIRST AND SECOND SATURATED FLUX STATES, SAID CORES BEING ARRANGED IN ROWS AND COLUMNS, A ROW DRIVING LINE FOR EACH ROW THREADING EACH CORE IN THE ASSOCIATED ROW, A COLUMN DRIVING LINE FOR EACH COLUMN THREADING EACH CORE IN THE ASSOCIATED COLUMN, BIASING MEANS FOR NORMALLY BIASING EACH CORE IN THE MATRIX TO SAID FIRST SATURATED STATE, DRIVING MEANS FOR CONCURRENTLY ENERGIZING A SELECTED ROW DRIVING LINE AND A SELECTED COLUMN DRIVING LINE TO THEREBY MAGNETIZE THE CORE AT THE
Claim 2
Dependent Claim
92 words
A MAGNETIC CORE MATRIX COMPRISING A PLURALITY OF BISTABLE MAGNETIC CORES HAVING FIRST AND SECOND SATURATED FLUX STATES, SAID CORES BEING ARRANGED IN ROWS AND COLUMNS, A ROW DRIVING LINE FOR EACH ROW THREADING EACH CORE IN THE ASSOCIATED ROW, A COLUMN DRIVING LINE FOR EACH COLUMN THREADING EACH CORE IN THE ASSOCIATED COLUMN, BIASING MEANS FOR NORMALLY BIASING EACH CORE IN THE MATRIX TO SAID FIRST SATURATED STATE, DRIVING MEANS FOR CONCURRENTLY ENERGIZING A SELECTED ROW DRIVING LINE AND A SELECTED COLUMN DRIVING LINE TO THEREBY MAGNETIZE THE CORE AT THE
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) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |