US3192368A
Expired / Lapsed
US
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Arithmetic system utilizing ferromagnetic elements having single domain properties
Assignee: Unisys Corp
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Filing: 1960-10-10
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Granted: 1965-06-29
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Expires: 1980-10-10
Abstract
No abstract record available.
Inventors
- 👤 Franck Abraham
- 👤 George F Marette
- 👤 Berc I Parsegyan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:46
CPC Classifications
G; G06; G06F; G06F7/00; G06F7/38; G06F7/383
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
259 words
AN ARITHMETIC SYSTEM OF THE DIGITAL SIGNAL PARALLEL GROUP TYPE HAVING A PLURALITY OF FERROMAGNETIC ELEMENTS WITH CORES EXHIBITING UNIAXIAL ANISOTROPY, COMPRISING M GROUPS OF ADDEND AND AUGEND DIGITAL SIGNAL INPUT MEANS, EACH GROUP WITH K DIGITAL SIGNAL POSITIONS RESPECTIVELY INDICATIVE OF NUMERIC VALUES, M GROUP ADD MEANS RESPECTIVELY CONNECTED TO BOTH INPUT MEANS IN THE RESPECTIVE GROUPS, EACH ADD MEANS INCLUDING A PLURALITY OF THE SAID ELEMENTS AND BIAS MEANS FOR MAGNETICALLY BIASING THE ADD ELEMENTS TO ONE OF TWO MAGNETIC SATURATION STATES ALONG THEIR RESPECTIVE HARD AXES, SEPARATE WINDING MEANS FOR COUPLING BOTH INPUT MEANS RESPECTIVE DIGIT POSITIONS TO PREDETERMINED ONES OF THE ADD ELEMENTS ALONG THEIR HARD AXES FOR CHANGING THE MAGNETIC SATURATION STATES FOR ONE INPUT INDICATED BINARY VALUE FROM ONE OF THE OTHER STATE, CURRENT IMPULSE MEANS HAVING WINDING MEANS MAGNETICALLY ASSOCIATED WITH SELECTED ONE ADD ELEMENTS FOR MAGNETICALLY URGING SAME INTO A HIGH PERMEABILITY PORTION OF THEIR RESPECTIVE HYSTERESIS CHARACTERISTICS WHEN THEY ARE IN A PREDETERMINED ONE OF THE TWO SATURATION STATES, A PLURALITY OF SENSING WINDING MEANS ASSOCIATED WITH PREDETERMINED ELEMENTS OF THE ADD MEANS TO TRANSFER A GROUP CARRY SIGNAL AND GROUP SUM SIGNALS WITHIN A MODULUS OF K DIGITS, MAGNETIC ELEMENT ARRAY CARRY MEANS HAVING M ROWS AND M GROUPS OF K COLUMNS OF THE ELEMENTS WITH NO ELEMENTS AT THE INTERSECTION OF THE MTH ROW AND THE MTH GROUP OF COLUMNS, M-1 CARRY SENSING WINDINGS IN EACH ARRAY ROW WITH THE DIFFERENT WINDINGS IN EACH ROW BEGINNING AT THE MTH-MTH ROW-COLUMN INTERSECTION WINDING AND COUPLING THE HARD MAGNETIZATION AXES
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) | 1968-06-28 | 1968-12-28 | 1969-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-28 | 1972-12-28 | 1973-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-28 | 1976-12-28 | 1977-06-29 | $7700.00 | Window Closed / Lapsed |