Patent US3289069A successfully refreshed from Google Patents.
US3289069A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phase controlled voltage regulating system
Assignee: Trygon Electronics Inc
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Filing: 1962-07-30
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Granted: 1966-11-29
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Expires: 1982-07-30
Abstract
No abstract record available.
Inventors
- 👤 Paul G Todd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:35
CPC Classifications
G; G05; G05F; G05F1/00; G05F1/10; G05F1/12; G05F1/40; G05F1/44; G05F1/445
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
A VOLTAGE REGULATOR COMPRISING A POWER TRANSFORMER HAVING A PRIMARY WINDING AND SECONDARY WINDING, RECTIFIER MEANS CONNECTED TO SAID SECONDARY, AT LEAST ONE FILTER CONDENSER CONNECTED TO SAID RECTIFIER MEANS, SWITCH MEANS CONNECTED IN SERIES WITH SAID PRIMARY WINDING TO CONTROL THE APPLICATION OF ALTERNATING CURRENT ENERGY THERETO, SAID TRANSFORMER AND RECTIFIER MEANS APPLYING INTERRUPTED DIRECT CURRENT TO SAID CONDENSER, OUTPUT MEANS INCLUDING TERMINALS CONNECTED TO SAID CONDENSER FOR APPLYING DIRECT CURRENT ENERGY TO A LOAD, SECOND TRANSFORMER AND RECTIFIER MEANS ENERGIZED BY SAID ALTERNATING CURRENT AND PRODUCING INTERRUPTED D.C. VOLTAGE, MEANS INCLUDING A DIFFERENTIATING NETWORK FOR PRODUCING A VOLTAGE CORRESPONDING TO THE DIFFERENTIAL OF THE LAST SAID INTERRUPTED D.C. VOLTAGE, CONTROL MEANS CONNECTED TO AND ENERGIZED BY
Claim 2
Dependent Claim
118 words
A VOLTAGE REGULATOR COMPRISING A POWER TRANSFORMER HAVING A PRIMARY WINDING AND SECONDARY WINDING, RECTIFIER MEANS CONNECTED TO SAID SECONDARY, AT LEAST ONE FILTER CONDENSER CONNECTED TO SAID RECTIFIER MEANS, SWITCH MEANS CONNECTED IN SERIES WITH SAID PRIMARY WINDING TO CONTROL THE APPLICATION OF ALTERNATING CURRENT ENERGY THERETO, SAID TRANSFORMER AND RECTIFIER MEANS APPLYING INTERRUPTED DIRECT CURRENT TO SAID CONDENSER, OUTPUT MEANS INCLUDING TERMINALS CONNECTED TO SAID CONDENSER FOR APPLYING DIRECT CURRENT ENERGY TO A LOAD, SECOND TRANSFORMER AND RECTIFIER MEANS ENERGIZED BY SAID ALTERNATING CURRENT AND PRODUCING INTERRUPTED D.C. VOLTAGE, MEANS INCLUDING A DIFFERENTIATING NETWORK FOR PRODUCING A VOLTAGE CORRESPONDING TO THE DIFFERENTIAL OF THE LAST SAID INTERRUPTED D.C. VOLTAGE, CONTROL MEANS CONNECTED TO AND ENERGIZED BY
References Cited (Backward Citations)
US3083330A
Cited
US3116446A
Cited
US3152296A
Cited
US3185912A
Cited
US3114873A
Cited
US3097314A
Cited
US3219912A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-28 | 1970-05-30 | 1970-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-28 | 1974-05-30 | 1974-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-28 | 1978-05-30 | 1978-11-29 | $7700.00 | Window Closed / Lapsed |