Patent US3094654A successfully refreshed from Google Patents.
US3094654A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Balanced current series transistor regulator
Assignee: North American Aviation Corp
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Filing: 1958-02-27
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Granted: 1963-06-18
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Expires: 1978-02-27
Abstract
No abstract record available.
Inventors
- 👤 Conard H Roelli
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:40
CPC Classifications
G; G05; G05F; G05F1/00; G05F1/10; G05F1/46; G05F1/56; G05F1/59
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
155 words
IN COMBINATION, A FIRST TRANSISTOR HAVING COLLECTOR, EMITTER, AND BASE ELECTRODES, MEANS FOR SUPPLYING CURRENT FROM A SOURCE THROUGH THE COLLECTOR-EMITTER PATH OF SAID FIRST TRANSISTOR TO A LOAD, MEANS FOR IMPRESSING UPON THE EMITTER WITH RESPECT TO THE BASE OF SAID FIRST TRANSISTOR A POTENTIAL HAVING VARIATIONS CORRESPONDING TO LOAD VOLTAGE CHANGES, A SECOND TRANSISTOR HAVING COLLECTOR, BASE, AND EMITTER ELECTRODES, THE COLLECTOR-EMITTER PATH OF SAID SECOND TRANSISTOR CONNECTED IN PARALLEL WITH THE COLLECTOREMITTER PATH OF SAID FIRST TRANSISTOR, MEANS FOR EQUALIZING THE CURRENT FLOWING THROUGH SAID TRANSISTORS, SAID EQUALIZING MEANS COMPRISING UNIDIRECTIONAL CONDUCTING MEANS SERIES CONNECTED IN THE COLLECTOR-EMITTER CIRCUIT OF SAID FIRST TRANSISTORS, THE VOLTAGE CHARACTERISTIC OF SAID UNIDIRECTIONAL CONDUCTING MEANS BEING IDENTICAL TO THAT OF THE BASE-EMITTER CIRCUIT OF SAID SECOND TRANSISTOR, AND MEANS RESPONSIVE TO SAID UNIDERECTIONAL CONDUCTING MEANS FOR IMPRESSING ON THE BASE OF SAID SECOND TRANSISTOR A CURRENT PROPORTIONAL TO THE VOLTAGE DROP ACROSS SAID UNIDIRECTIONAL CONDUCTING MEANS.
Claim 2
Dependent Claim
155 words
IN COMBINATION, A FIRST TRANSISTOR HAVING COLLECTOR, EMITTER, AND BASE ELECTRODES, MEANS FOR SUPPLYING CURRENT FROM A SOURCE THROUGH THE COLLECTOR-EMITTER PATH OF SAID FIRST TRANSISTOR TO A LOAD, MEANS FOR IMPRESSING UPON THE EMITTER WITH RESPECT TO THE BASE OF SAID FIRST TRANSISTOR A POTENTIAL HAVING VARIATIONS CORRESPONDING TO LOAD VOLTAGE CHANGES, A SECOND TRANSISTOR HAVING COLLECTOR, BASE, AND EMITTER ELECTRODES, THE COLLECTOR-EMITTER PATH OF SAID SECOND TRANSISTOR CONNECTED IN PARALLEL WITH THE COLLECTOREMITTER PATH OF SAID FIRST TRANSISTOR, MEANS FOR EQUALIZING THE CURRENT FLOWING THROUGH SAID TRANSISTORS, SAID EQUALIZING MEANS COMPRISING UNIDIRECTIONAL CONDUCTING MEANS SERIES CONNECTED IN THE COLLECTOR-EMITTER CIRCUIT OF SAID FIRST TRANSISTORS, THE VOLTAGE CHARACTERISTIC OF SAID UNIDIRECTIONAL CONDUCTING MEANS BEING IDENTICAL TO THAT OF THE BASE-EMITTER CIRCUIT OF SAID SECOND TRANSISTOR, AND MEANS RESPONSIVE TO SAID UNIDERECTIONAL CONDUCTING MEANS FOR IMPRESSING ON THE BASE OF SAID SECOND TRANSISTOR A CURRENT PROPORTIONAL TO THE VOLTAGE DROP ACROSS SAID UNIDIRECTIONAL CONDUCTING MEANS.
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) | 1966-06-17 | 1966-12-17 | 1967-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-17 | 1970-12-17 | 1971-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-17 | 1974-12-17 | 1975-06-18 | $7700.00 | Window Closed / Lapsed |