Patent US3264490A successfully refreshed from Google Patents.
US3264490A
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Cryoelectric logic circuits
Assignee: RCA Corp
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Filing: 1963-03-27
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Granted: 1966-08-02
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Expires: 1983-03-27
Abstract
No abstract record available.
Inventors
- 👤 Robert A Gange
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:33
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/51; H03K17/92; G; G11; G11C; G11C11/00; G11C11/21; G11C11/44; Y; Y10; Y10S; Y10S505/00; Y10S505/825; Y10S505/856; Y10S505/857; Y10S505/858; Y10S505/859
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
172 words
A CRYOELECTRIC LOGIC CIRCUIT COMPRISING, SUPERCONDUCTIVE CONTROL GROUND PLANE MEANS; A PLURALITY OF PARALLEL SUPERCONDUCTIVE CURRENT PATHS, AT LEAST ONE LOCATED IMMEDIATELY ADJACENT TO THE CONTROL GROUND PLANE MEANS AND WHOSE INDUCTANCE IS AFFECTED BY THE STATE OF THE CONTROL GROUND PLANE MEANS AND AT LEAST ONE OTHER LOCATED SUFFICIENTLY FAR FROM THE CONTROL GROUND PLANE MEANS THAT IS INDUCTANCE REMAINS FIXED AND IS UNAFFECTED BY THE STATE OF THE CONTROL GROUND PLANE MEANS; MEANS FOR APPLYING A CURRENT TO THE PARALLEL CURRENT PATHS; MEANS COUPLED TO ONE OF THE PATHS FOR INTRODUCING A RESISTANCE IN ONE PATH AND THEREBY ESTABLISHING A GIVEN INITIAL CURRENT DISTRIBUTION AMONG THE PATHS; MEANS COUPLED TO THE CONTROL GROUND PLANE MEANS, TO WHICH A PLURALITY OF INPUT SIGNAL CURRENTS REPRESENTATIVE OF INPUT BINARY BITS ARE APPLIED, FOR SUBSTASNTIALLY CHANGING THE PENTRATION DEPTH $ OF THE CONTROL GROUND PLANE MEANS; AND OUTPUT MEANS COUPLED TO AT LEAST ONE OF THE CURRENT PATHS FOR PROVIDING A SIGNAL CURRENT INDICATIVE OF A LOGIC FUNCTION OF THE INPUT BINARY BITS.
Claim 2
Dependent Claim
172 words
A CRYOELECTRIC LOGIC CIRCUIT COMPRISING, SUPERCONDUCTIVE CONTROL GROUND PLANE MEANS; A PLURALITY OF PARALLEL SUPERCONDUCTIVE CURRENT PATHS, AT LEAST ONE LOCATED IMMEDIATELY ADJACENT TO THE CONTROL GROUND PLANE MEANS AND WHOSE INDUCTANCE IS AFFECTED BY THE STATE OF THE CONTROL GROUND PLANE MEANS AND AT LEAST ONE OTHER LOCATED SUFFICIENTLY FAR FROM THE CONTROL GROUND PLANE MEANS THAT IS INDUCTANCE REMAINS FIXED AND IS UNAFFECTED BY THE STATE OF THE CONTROL GROUND PLANE MEANS; MEANS FOR APPLYING A CURRENT TO THE PARALLEL CURRENT PATHS; MEANS COUPLED TO ONE OF THE PATHS FOR INTRODUCING A RESISTANCE IN ONE PATH AND THEREBY ESTABLISHING A GIVEN INITIAL CURRENT DISTRIBUTION AMONG THE PATHS; MEANS COUPLED TO THE CONTROL GROUND PLANE MEANS, TO WHICH A PLURALITY OF INPUT SIGNAL CURRENTS REPRESENTATIVE OF INPUT BINARY BITS ARE APPLIED, FOR SUBSTASNTIALLY CHANGING THE PENTRATION DEPTH $ OF THE CONTROL GROUND PLANE MEANS; AND OUTPUT MEANS COUPLED TO AT LEAST ONE OF THE CURRENT PATHS FOR PROVIDING A SIGNAL CURRENT INDICATIVE OF A LOGIC FUNCTION OF THE INPUT BINARY BITS.
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) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |