US3175203A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic core driving system
Assignee: Control Data Corp
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Filing: 1962-08-20
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Granted: 1965-03-23
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Expires: 1982-08-20
Abstract
No abstract record available.
Inventors
- 👤 William O Bice
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:05
CPC Classifications
G; G11; G11C; G11C11/00; G11C11/02; G11C11/06; G11C11/06007
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
232 words
A SYSTEM FOR SELECTIVELY DRIVING ONE OF A PLURALITY OF GROUPS OF MAGNETIC ELEMENTS WITH MAGNETIZING FORCE OF EITHER POLARITY, COMPRISING: A PLURALITY OF MAGNETIZING CONDUCTORS COINCIDING IN NUMBER OF SAID PLURALITY OF GROUPS OF ELEMENTS, SAID MAGNETIZING CONDUCTORS FOR PROVIDING MAGNETISM TO EACH OF SAID GROUPS OF ELEMENTS; A PLURALITY OF PAIRS OF HORIZONTAL CONDUCTORS; PLURAL GROUPS OF FIRST UNILATERAL CONDUCTING DEVICES, EACH SUCH GROUP BEING CONNECTED BETWEEN ONE CONDUCTOR IN EACH OF SAID PAIRS OF HORIZONTAL CONDUCTORS AND FIRST ENDS OF SAID MAGNETIZING CONDUCTORS; PLURAL GROUPS OF SECOND UNILATERAL CONDUCTING DEVICES, EACH SUCH GROUP BEING CONNECTED BETWEEN ANOTHER CONDUCTOR IN EACH OF SAID PAIRS OF HORIZONTAL CONDUCTORS AND OTHER ENDS OF SAID MAGNETIZING CONDUCTORS; A PLURALITY OF PAIRS OF VERTICAL CONDUCTORS; PLURAL GROUPS OF THIRD UNILATERAL CONDUCTING DEVICES, EACH SUCH GROUP BEING CONNECTED BETWEEN ONE CONDUCTOR IN EACH PAIR OF VERTICAL CONDUCTORS AND SAID FIRST ENDS OF SAID MAGNETIZING CONDUCTORS; PLURALITY GROUPS OF FOURTH UNILATERAL CONDUCTING DEVICES, EACH SUCH GROUP BEING CONNECTED BETWEEN A SECOND CONDUCTOR IN EACH PAIR OF VERTICAL CONDUCTORS AND SAID OTHER ENDS OF SAID MAGNETIZED CONDUCTORS; MEANS FOR SELECTIVELY ENERGIZING ONE OF SAID CONDUCTORS IN SAID HORIZONTAL PAIRS WITH ELECTRICAL CURRENT DURING CERTAIN INTERVALS; AND MEANS FOR SELECTIVELY CONNECTING ONE CONDUCTOR OF SAID VERTICAL PAIRS OF CONDUCTORS TO A SOURCE OF REFERENCE POTENTIAL WHEREBY A SELECTED GROUP OF MAGNETIC ELEMENTS MAY BE DRIVEN IN EACH POLARITY.
Claim 2
Independent Claim
232 words
A SYSTEM FOR SELECTIVELY DRIVING ONE OF A PLURALITY OF GROUPS OF MAGNETIC ELEMENTS WITH MAGNETIZING FORCE OF EITHER POLARITY, COMPRISING: A PLURALITY OF MAGNETIZING CONDUCTORS COINCIDING IN NUMBER OF SAID PLURALITY OF GROUPS OF ELEMENTS, SAID MAGNETIZING CONDUCTORS FOR PROVIDING MAGNETISM TO EACH OF SAID GROUPS OF ELEMENTS; A PLURALITY OF PAIRS OF HORIZONTAL CONDUCTORS; PLURAL GROUPS OF FIRST UNILATERAL CONDUCTING DEVICES, EACH SUCH GROUP BEING CONNECTED BETWEEN ONE CONDUCTOR IN EACH OF SAID PAIRS OF HORIZONTAL CONDUCTORS AND FIRST ENDS OF SAID MAGNETIZING CONDUCTORS; PLURAL GROUPS OF SECOND UNILATERAL CONDUCTING DEVICES, EACH SUCH GROUP BEING CONNECTED BETWEEN ANOTHER CONDUCTOR IN EACH OF SAID PAIRS OF HORIZONTAL CONDUCTORS AND OTHER ENDS OF SAID MAGNETIZING CONDUCTORS; A PLURALITY OF PAIRS OF VERTICAL CONDUCTORS; PLURAL GROUPS OF THIRD UNILATERAL CONDUCTING DEVICES, EACH SUCH GROUP BEING CONNECTED BETWEEN ONE CONDUCTOR IN EACH PAIR OF VERTICAL CONDUCTORS AND SAID FIRST ENDS OF SAID MAGNETIZING CONDUCTORS; PLURALITY GROUPS OF FOURTH UNILATERAL CONDUCTING DEVICES, EACH SUCH GROUP BEING CONNECTED BETWEEN A SECOND CONDUCTOR IN EACH PAIR OF VERTICAL CONDUCTORS AND SAID OTHER ENDS OF SAID MAGNETIZED CONDUCTORS; MEANS FOR SELECTIVELY ENERGIZING ONE OF SAID CONDUCTORS IN SAID HORIZONTAL PAIRS WITH ELECTRICAL CURRENT DURING CERTAIN INTERVALS; AND MEANS FOR SELECTIVELY CONNECTING ONE CONDUCTOR OF SAID VERTICAL PAIRS OF CONDUCTORS TO A SOURCE OF REFERENCE POTENTIAL WHEREBY A SELECTED GROUP OF MAGNETIC ELEMENTS MAY BE DRIVEN IN EACH POLARITY.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-22 | 1968-09-21 | 1969-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-22 | 1972-09-21 | 1973-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-22 | 1976-09-21 | 1977-03-23 | $7700.00 | Window Closed / Lapsed |