US3428822A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuit capable of producing a condition of incompatibility between two or several logic variables
Assignee: Umicore NV SA
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Filing: 1966-01-25
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Granted: 1969-02-18
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Expires: 1986-01-25
Abstract
No abstract record available.
Inventors
- 👤 Jean Demeur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 22:42
CPC Classifications
B; B61; B61L; B61L29/00; B61L29/24; B61L29/28; B61L29/32; B61L5/00; B61L5/12; B61L5/18; B61L5/1809; B61L5/1881; H; H01; H01F; H01F29/00; H01F29/14; H01F29/143; H03; H03K; H03K19/00; H03K19/02; H03K19/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
A CIRCUIT CAPABLE OF PROVIDING INCOMPATIBILITY BETWEEN TWO OR MORE LOGIC VARIABLES COMPRISING: (A) AT LEAST TWO ELEMENTS, EACH HAVING: A MAGNETIC CIRCUIT; A PERMANENT MAGNET PRESATURATING SAID CIRCUIT; A PRIMARY A.C. WINDING AND A SECONDARY WINDING WOUND AROUND SAID MAGNETIC CIRCUIT, AND A D.C. DESATURATION WINDING SO ARRANGED THAT, WHEN EXCITED, ALLOWS THE INDUCTION OF A SECONDARY VOLTAGE BY THE PRIMARY WINDING; THE EXCITING DIRECT CURRENTS OF THE SAID DESATURATION WINDINGS REPRESENTING SAID LOGIC VARIABLES; (B) A RESISTANCE AND AN A.C. SOURCE; (C) THE PRIMARY WINDINGS OF SAID ELEMENTS BEING CONNECTED IN SERIES THROUGH SAID RESISTANCE TO SAID A.C. SOURCE;
Claim 2
Dependent Claim
101 words
A CIRCUIT CAPABLE OF PROVIDING INCOMPATIBILITY BETWEEN TWO OR MORE LOGIC VARIABLES COMPRISING: (A) AT LEAST TWO ELEMENTS, EACH HAVING: A MAGNETIC CIRCUIT; A PERMANENT MAGNET PRESATURATING SAID CIRCUIT; A PRIMARY A.C. WINDING AND A SECONDARY WINDING WOUND AROUND SAID MAGNETIC CIRCUIT, AND A D.C. DESATURATION WINDING SO ARRANGED THAT, WHEN EXCITED, ALLOWS THE INDUCTION OF A SECONDARY VOLTAGE BY THE PRIMARY WINDING; THE EXCITING DIRECT CURRENTS OF THE SAID DESATURATION WINDINGS REPRESENTING SAID LOGIC VARIABLES; (B) A RESISTANCE AND AN A.C. SOURCE; (C) THE PRIMARY WINDINGS OF SAID ELEMENTS BEING CONNECTED IN SERIES THROUGH SAID RESISTANCE TO SAID A.C. SOURCE;
References Cited (Backward Citations)
US3233112A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-18 | 1972-08-19 | 1973-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-18 | 1976-08-19 | 1977-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-18 | 1980-08-19 | 1981-02-18 | $7700.00 | Window Closed / Lapsed |