US3258676A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Regulated d.c. power supply
Assignee: —
•
Filing: —
•
Granted: 1966-06-28
•
Expires: 1983-06-28
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 19:14
CPC Classifications
G; G05; G05F; G05F1/00; G05F1/10; G05F1/12; G05F1/32; G05F1/33
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
IN A REGULATED D.C. POWER SUPPLY FOR OPERATION FROM AN A.C. POWER SOURCE, THE COMBINATION OF: SATURABLE REACTOR MEANS HAVING A POWER WINDING AND A CONTROL WINDING; A RECTIFIER UNIT; A PAIR OF LOAD TERMINALS; CIRCUIT MEANS INTERCONNECTING SAID POWER SOURCE, SAID POWER WINDING AND SAID RECTIFIER UNIT TO PROVIDE A D.C. OUTPUT VOLTAGE ACROS SAID LOAD TERMINALS; MEANS FOR DEVELOPING A CORRECTION SIGNAL VARYING AS A FUNCTION OF THE A.C. SOURCE VOLTAGE; AND A CONTROL CIRCUIT CONNECTED TO SAID CONTROL WINDING, SAID CONTROL CIRCUIT INCLUDING A REFERENCE BRIDGE COMPRISING AT LEAST A PAIR OF RESISTOR ELEMENTS AND AT LEAST A PAIR OF ZENER ELEMENTS, CIRCUIT MEANS FOR CONNECTING THE BRIDGE INPUT ACROSS SAID LOAD TERMINALS, CIRCUIT MEANS FOR CONNECTING SAID CORRECTION SIGNAL TO SAID BRIDGE INPUT, AND CIRCUIT MEANS FOR CONNECTING THE BRIDGE OUTPUT TO SAID CONTROL WINDING TO PROVIDE A CONTROL CURRENT FOR SAID CONTROL WINDING.
Claim 2
Dependent Claim
148 words
IN A REGULATED D.C. POWER SUPPLY FOR OPERATION FROM AN A.C. POWER SOURCE, THE COMBINATION OF: SATURABLE REACTOR MEANS HAVING A POWER WINDING AND A CONTROL WINDING; A RECTIFIER UNIT; A PAIR OF LOAD TERMINALS; CIRCUIT MEANS INTERCONNECTING SAID POWER SOURCE, SAID POWER WINDING AND SAID RECTIFIER UNIT TO PROVIDE A D.C. OUTPUT VOLTAGE ACROS SAID LOAD TERMINALS; MEANS FOR DEVELOPING A CORRECTION SIGNAL VARYING AS A FUNCTION OF THE A.C. SOURCE VOLTAGE; AND A CONTROL CIRCUIT CONNECTED TO SAID CONTROL WINDING, SAID CONTROL CIRCUIT INCLUDING A REFERENCE BRIDGE COMPRISING AT LEAST A PAIR OF RESISTOR ELEMENTS AND AT LEAST A PAIR OF ZENER ELEMENTS, CIRCUIT MEANS FOR CONNECTING THE BRIDGE INPUT ACROSS SAID LOAD TERMINALS, CIRCUIT MEANS FOR CONNECTING SAID CORRECTION SIGNAL TO SAID BRIDGE INPUT, AND CIRCUIT MEANS FOR CONNECTING THE BRIDGE OUTPUT TO SAID CONTROL WINDING TO PROVIDE A CONTROL CURRENT FOR SAID CONTROL WINDING.
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) | 1969-06-27 | 1969-12-27 | 1970-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-27 | 1973-12-27 | 1974-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-27 | 1977-12-27 | 1978-06-28 | $7700.00 | Window Closed / Lapsed |