Patent US3109979A successfully refreshed from Google Patents.
US3109979A
Expired / Lapsed
US
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Transistorized regulated power supply
Assignee: Automatic Electric Laboratories Inc
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Filing: 1958-07-14
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Granted: 1963-11-05
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Expires: 1978-07-14
Abstract
No abstract record available.
Inventors
- 👤 Alfred H Faulkner
- 👤 Thomas H Jeffery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:34
CPC Classifications
G; G05; G05F; G05F1/00; G05F1/10; G05F1/46; G05F1/56; Y; Y10; Y10S; Y10S323/00; Y10S323/901
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
IN A TRANSISTORIZED REGULATING POWER SUPPLY, A POWER SOURCE, A REGULATING TRANSISTOR HAVING BASE, EMITTER AND COLLECTOR ELECTRODES, A VARIABLE LOAD CONNECTED TO SAID COLLECTOR ELECTRODE, AND BIASING MEANS FOR SAID TRANSISTOR PROVIDING BIAS POTENTIAL MAINTAINED AT A SUBSTANTIALLY CONSTANT VALUE REGARDLESS OF LOAD VARIATIONS, INCLUDING ASYMMETRICALLY CONDUCTING MEANS CONNECTED TO SAID EMITTER AND SAID POWER SOURCE, AND FURTHER INCLUDING RESISTANCE MEANS CONNECTED BETWEEN SAID BASE AND SAID POWER SOURCE, WHEREBY SAID RESISTANCE MEANS MAY BE OF A RELATIVELY HIGH VALUE IN COMPARISON TO RESISTANCE MEANS INCLUDED IN BIASING MEANS COMPRISING ONLY RESISTANCE MEANS.
Claim 2
Dependent Claim
94 words
IN A TRANSISTORIZED REGULATING POWER SUPPLY, A POWER SOURCE, A REGULATING TRANSISTOR HAVING BASE, EMITTER AND COLLECTOR ELECTRODES, A VARIABLE LOAD CONNECTED TO SAID COLLECTOR ELECTRODE, AND BIASING MEANS FOR SAID TRANSISTOR PROVIDING BIAS POTENTIAL MAINTAINED AT A SUBSTANTIALLY CONSTANT VALUE REGARDLESS OF LOAD VARIATIONS, INCLUDING ASYMMETRICALLY CONDUCTING MEANS CONNECTED TO SAID EMITTER AND SAID POWER SOURCE, AND FURTHER INCLUDING RESISTANCE MEANS CONNECTED BETWEEN SAID BASE AND SAID POWER SOURCE, WHEREBY SAID RESISTANCE MEANS MAY BE OF A RELATIVELY HIGH VALUE IN COMPARISON TO RESISTANCE MEANS INCLUDED IN BIASING MEANS COMPRISING ONLY RESISTANCE MEANS.
References Cited (Backward Citations)
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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) | 1966-11-04 | 1967-05-06 | 1967-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-04 | 1971-05-06 | 1971-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-04 | 1975-05-06 | 1975-11-05 | $7700.00 | Window Closed / Lapsed |