US3369167A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-regulated power supply
Assignee: RCA Corp
•
Filing: 1966-02-28
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Granted: 1968-02-13
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Expires: 1986-02-28
Abstract
No abstract record available.
Inventors
- 👤 George D Hanchett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:17
CPC Classifications
H; H02; H02P; H02P7/00; H02P7/06; H02P7/18; H02P7/24; H02P7/28; H02P7/285; H02P7/292; H02P7/293; Y; Y10; Y10S; Y10S388/00; Y10S388/907; Y10S388/917
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
279 words
A REGULATED POWER SUPPLY COMPRISING, A CONTROLLED SWITCHING MEANS INCLUDING A ANODE, A CATHODE AND A CONTROL ELECTRODE, SAID CONTROLLED SWITCHING MEANS BEING RENDERED CONDUCTIVE BY THE APPLICATION OF A SUFFICIENT VOLTAGE BETWEEN ITS CONTROL ELECTRODE AND CATHODE AND REMAINING CONDUCTIVE AS LONG AS THE VOLTAGE APPLIED BETWEEN ITS ANODE AND CATHODE EXCEEDS A PREDETERMINED THRESHOLD VALVE, A RECTIFIER PROVIDING AT ITS OUTPUT TERMINALS A DIRECT CURRENT OUTPUT THAT VARIES BETWEEN A VALVE ABOVE AND BELOW SAID THRESHOLD VALVE PERIODICALLY, MEANS INCLUDING A CURRENT LIMITING RESISTOR FOR CONNECTING SAID OUTPUT TERMINALS BETWEEN THE ANODE AND CATHODE OF SAID CONTROLLED SWITCHING MEANS, A VARIABLE TIME CONSTANT CIRCUIT COMPRISING A RESISTOR AND A STORAGE CAPACITOR CONNECTED BETWEEN SAID ANODE AND SAID CATHODE, A VOLTAGE RESPONSIVE SWITCHING MEANS CONNECTED BETWEEN A TERMINAL OF SAID STORAGE CAPACITOR AND THE CONTROL ELECTRODE OF SAID CONTROLLED SWITCHING MEANS, A PAIR OF OUTPUT TERMINALS, A SMOOTHING CAPACITOR CONNECTED ACROSS SAID OUTPUT TERMINALS, AND A RECTIFIER POLED TO BE CONDUCTIVE TO SAID DIRECT CURRENT CONNECTED IN SERIES WITH SAID SMOOTHING CAPACITOR ACROSS SAID ANODE AND SAID CATHODE, SAID STORAGE CAPACITOR CHARGING AND ARRIVING AT A POTENTIAL IN EACH CYCLE OF SAID VARYING DIRECT CURRENT AT A TIME DEPENDING ON THE ADJUSTMENT OF SAID TIME CONSTANT CIRCUIT AND ALSO DEPENDING ON THE VOLTAGE APPEARING ACROSS SAID LOAD AT WHICH POTENTIAL SAID VOLTAGE RESPONSIVE SWITCHING MEANS BECOMES CONDUCTIVE WHEREBY SAID STORAGE CAPACITOR DISCHARGES THROUGH SAID VOLTAGE RESPONSIVE SWITCHING MEANS AND THRU THE CONTROL ELECTRODE TO CATHODE PATH OF SAID CONTROLLED SWITCHING MEANS TO CAUSE IT TO BECOME CONDUCTIVE EARLIER OR LATER IN EACH CYCLE OF SAID VARYING DIRECT CURRENT DEPENDING ON THE ADJUSTMENT OF SAID VARIABLE TIME CONSTANT CIRCUIT.
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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) | 1971-02-12 | 1971-08-14 | 1972-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-12 | 1975-08-14 | 1976-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-12 | 1979-08-14 | 1980-02-13 | $7700.00 | Window Closed / Lapsed |