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US3094654A Expired / Lapsed US ⏱️ 0.0 years remaining

Balanced current series transistor regulator

Assignee: North American Aviation Corp
•
Filing: 1958-02-27
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Granted: 1963-06-18
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Expires: 1978-02-27
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Abstract

No abstract record available.

Inventors

  • 👤 Conard H Roelli

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 04:36
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)

US2693568A Cited
US2806198A Cited
US2698416A Cited
US2967991A Cited
US2906941A Cited

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

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