US3243690A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Voltage regulated power supply with adjustable current limit
Assignee: Forbro Design Corp
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Filing: 1962-04-19
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Granted: 1966-03-29
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Expires: 1982-04-19
Abstract
No abstract record available.
Inventors
- 👤 Joseph R Gately
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:05
CPC Classifications
G; G05; G05F; G05F1/00; G05F1/10; G05F1/46; G05F1/52
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
IN A REGULATED POWER SUPPLY, THE COMBINATION OF A SOURCE OF POWER TO BE REGULATED, A PAIR OF OUTPUT TERMINALS TO BE CONNECTED TO A DEVICE TO BE SUPPLIED WITH REGULATED POWER, A SIGNAL RESPONSIVE PASS DEVICE AND A RESISTOR IN SERIES CONNECTED BETWEEN SAID SOURCE OF POWER AND ONE OF SAID OUTPUT TERMINALS, A MULTI-STAGE ERROR AMPLIFIER COUPLED TO SAID OUTPUT TERMINALS AND FEEDING CONTROL SIGNALS TO SAID PASS DEVICE, AND A SUBSTANTIALLY UNILATERAL COUPLING DEVICE CONNECTED BETWEEN THE SIGNAL RESPONSIVE PASS DEVICE END OF SAID RESISTOR AND AN INTERMEDIATE STAGE OF SAID ERROR AMPLIFIER FOR LIMITING SIGNALS TRAVERSING SAID AMPLIFIER IN RESPONSE TO A PREDETERMINED LEVEL OF CURRENT TRAVERSING SAID RESISTOR.
Claim 2
Dependent Claim
113 words
IN A REGULATED POWER SUPPLY, THE COMBINATION OF A SOURCE OF POWER TO BE REGULATED, A PAIR OF OUTPUT TERMINALS TO BE CONNECTED TO A DEVICE TO BE SUPPLIED WITH REGULATED POWER, A SIGNAL RESPONSIVE PASS DEVICE AND A RESISTOR IN SERIES CONNECTED BETWEEN SAID SOURCE OF POWER AND ONE OF SAID OUTPUT TERMINALS, A MULTI-STAGE ERROR AMPLIFIER COUPLED TO SAID OUTPUT TERMINALS AND FEEDING CONTROL SIGNALS TO SAID PASS DEVICE, AND A SUBSTANTIALLY UNILATERAL COUPLING DEVICE CONNECTED BETWEEN THE SIGNAL RESPONSIVE PASS DEVICE END OF SAID RESISTOR AND AN INTERMEDIATE STAGE OF SAID ERROR AMPLIFIER FOR LIMITING SIGNALS TRAVERSING SAID AMPLIFIER IN RESPONSE TO A PREDETERMINED LEVEL OF CURRENT TRAVERSING SAID RESISTOR.
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) | 1969-03-28 | 1969-09-27 | 1970-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-28 | 1973-09-27 | 1974-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-28 | 1977-09-27 | 1978-03-29 | $7700.00 | Window Closed / Lapsed |