US3192467A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transistor-regulated power supply
Assignee: Babcock and Wilcox Co
•
Filing: 1962-09-05
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Granted: 1965-06-29
•
Expires: 1982-09-05
Abstract
No abstract record available.
Inventors
- 👤 Albert J Baracket
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:56
CPC Classifications
G; G05; G05F; G05F1/00; G05F1/10; G05F1/46; G05F1/56; G05F1/59; G05F1/595
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
A TRANSISTOR-REGULATED POWER SUPPLY COMPRISING: A RECTIFIER CIRCUIT; A FIRST SERIES REGULATOR TRANSISTOR HAVING ITS COLLECTOR AND EMITTER CONNECTED IN SERIES WITH SAID RECTIFIER CIRCUIT; A VOLTAGE DIVIDER COMPRISING A PLURALITY OF RESISTORS CONNECTED IN PARALLEL WITH THE COLLECTOR AND EMITTER OF SAID TRANSISTOR; A SECOND TRANSISTOR HAVING ITS BASE CONNECTED TO A JUNCTION BETWEEN SAID RESISTORS TO BE ACTUATED BY VOLTAGE CHANGES AT SAID JUNCTION, THE EMITTER OF SAID SECOND TRANSISTOR BEING CONNECTED TO THE BASE OF SAID FIRST TRANSISTOR TO CONTROL THE IMPEDANCE BETWEEN SAID EMITTER AND COLLECTOR THEREOF; AND A THIRD TRANSISTOR HAVING ITS COLLECTOR CONNECTED TO THE COLLECTOR OF SAID FIRST TRANSISTOR TO BE ENERGIZED BY CURRENT FROM SAID RECTIFIER CIRCUIT AND HAVING ITS BASE CONNECTED TO A SECOND JUNCTION BETWEEN RESISTORS OF SAID VOLTAGE DIVIDER TO BE ACTUATED
Claim 2
Dependent Claim
133 words
A TRANSISTOR-REGULATED POWER SUPPLY COMPRISING: A RECTIFIER CIRCUIT; A FIRST SERIES REGULATOR TRANSISTOR HAVING ITS COLLECTOR AND EMITTER CONNECTED IN SERIES WITH SAID RECTIFIER CIRCUIT; A VOLTAGE DIVIDER COMPRISING A PLURALITY OF RESISTORS CONNECTED IN PARALLEL WITH THE COLLECTOR AND EMITTER OF SAID TRANSISTOR; A SECOND TRANSISTOR HAVING ITS BASE CONNECTED TO A JUNCTION BETWEEN SAID RESISTORS TO BE ACTUATED BY VOLTAGE CHANGES AT SAID JUNCTION, THE EMITTER OF SAID SECOND TRANSISTOR BEING CONNECTED TO THE BASE OF SAID FIRST TRANSISTOR TO CONTROL THE IMPEDANCE BETWEEN SAID EMITTER AND COLLECTOR THEREOF; AND A THIRD TRANSISTOR HAVING ITS COLLECTOR CONNECTED TO THE COLLECTOR OF SAID FIRST TRANSISTOR TO BE ENERGIZED BY CURRENT FROM SAID RECTIFIER CIRCUIT AND HAVING ITS BASE CONNECTED TO A SECOND JUNCTION BETWEEN RESISTORS OF SAID VOLTAGE DIVIDER TO BE ACTUATED
References Cited (Backward Citations)
US2867695A
Cited
US3040238A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-28 | 1968-12-28 | 1969-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-28 | 1972-12-28 | 1973-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-28 | 1976-12-28 | 1977-06-29 | $7700.00 | Window Closed / Lapsed |