US3196427A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Superconductive analog to digital converter
Assignee: Northrop Grumman Space and Mission Systems Corp
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Filing: 1960-11-14
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Granted: 1965-07-20
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Expires: 1980-11-14
Abstract
No abstract record available.
Inventors
- 👤 Horace T Mann
- 👤 David G Fladlien
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:47
CPC Classifications
G; G11; G11C; G11C11/00; G11C11/21; G11C11/44; H; H03; H03M; H03M1/00; H03M1/06; H03M1/0617; Y; Y10; Y10S; Y10S505/00; Y10S505/825; Y10S505/856; Y10S505/857
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
A SUPERCONDUCTIVE CIRCUIT ARRANGEMENT COMPRISING: A PLURALITY OF SUPERCONDUCTIVE PATHS CONNECTED IN A PARALLEL ELECTRICAL CIRCUIT ACROSS A PAIR OF INPUT TERMINALS, A PLURALITY OF SUPERCONDUCTIVE GATE ELEMENTS EACH MAGNETICALLY AND NON-CONDUCTIVELY COUPLED TO A RESPECTIVE ONE OF SAID SUPERCONDUCTIVE PATHS, EACH OF SAID GATE ELEMENTS BEING NORMALLY SUPERCONDUCTIVE IN THE ABSENCE OF ANALOG INPUT CURRENT APPLIED TO SAID INPUT TERMINALS, EACH OF SAID SUPERCONDUCTIVE PATHS INCLUDING A WEIGHTED INDUCTANCE FOR LIMITING THE CURRENT FLOWING THEREIN TO A VALUE THAT IS RELATED TO THE CRITICAL MAGNETIC FIELD OF THE RESPECTIVE GATE ELEMENT IN SUCH A WAY THAT DIFFERENT ONES OF SAID GATE ELEMENTS ARE CAUSED TO GO RESISTIVE AT DIFFERENT DISCRETE LEVELS OF ANALOG INPUT CURRENT APPLIED TO SAID TERMINALS.
Claim 2
Dependent Claim
120 words
A SUPERCONDUCTIVE CIRCUIT ARRANGEMENT COMPRISING: A PLURALITY OF SUPERCONDUCTIVE PATHS CONNECTED IN A PARALLEL ELECTRICAL CIRCUIT ACROSS A PAIR OF INPUT TERMINALS, A PLURALITY OF SUPERCONDUCTIVE GATE ELEMENTS EACH MAGNETICALLY AND NON-CONDUCTIVELY COUPLED TO A RESPECTIVE ONE OF SAID SUPERCONDUCTIVE PATHS, EACH OF SAID GATE ELEMENTS BEING NORMALLY SUPERCONDUCTIVE IN THE ABSENCE OF ANALOG INPUT CURRENT APPLIED TO SAID INPUT TERMINALS, EACH OF SAID SUPERCONDUCTIVE PATHS INCLUDING A WEIGHTED INDUCTANCE FOR LIMITING THE CURRENT FLOWING THEREIN TO A VALUE THAT IS RELATED TO THE CRITICAL MAGNETIC FIELD OF THE RESPECTIVE GATE ELEMENT IN SUCH A WAY THAT DIFFERENT ONES OF SAID GATE ELEMENTS ARE CAUSED TO GO RESISTIVE AT DIFFERENT DISCRETE LEVELS OF ANALOG INPUT CURRENT APPLIED TO SAID TERMINALS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-19 | 1969-01-18 | 1969-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-19 | 1973-01-18 | 1973-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-19 | 1977-01-18 | 1977-07-20 | $7700.00 | Window Closed / Lapsed |