US3386026A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Scr conversion system with magnetic amplifier gate control
Assignee: FAIRFIELD ENGINEERING CORP
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Filing: 1958-07-30
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Granted: 1968-05-28
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Expires: 1978-07-30
Abstract
No abstract record available.
Inventors
- 👤 Arthur Z Gutterman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 00:51
CPC Classifications
H; H02; H02M; H02M1/00; H02M1/08; H02M1/083
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
A POWER CONTROL CIRCUIT, COMPRISING A NORMALLY BLOCKED RECTIFIER HAVING SUCCESSIVE ZONES OF P-N-P-N CONDUCTIVITIES, AN INPUT ELECTRODE CONNECTED TO AN END P ZONE, AN OUTPUT ELECTRODE CONNECTED TO THE OPPOSITE END N ZONE, A CONTROL ELECTRODE CONNECTED TO THE INTERMEDIATE P ZONE, SAID RECTIFIER BEING RENDERED CONDUCTING BY THE APPLICATION OF CURRENT OF GIVEN AMPLITUDE AND DIRECTION TO SAID CONTROL ELECTRODE, A LOAD COUPLED TO SAID OUTPUT ELECTRODE, A SOURCE OF POWER COUPLED ACROSS SAID RECTIFIER AND SAID LOAD, AND A SELECTIVELY OPERABLE MAGNETIC AMPLIFIER COUPLED TO SAID CONTROL ELECTRODE AND CAPABLE OF PRODUCING CURRENT OF SAID GIVEN AMPLITUDE, WHEREBY SAID RECTIFIER UNDER CONTROL OF SAID MAGNETIC AMPLIFIER MAY SELECTIVELY CONTROL THE APPLICATION OF POWER TO SAID LOAD.
Claim 2
Dependent Claim
119 words
A POWER CONTROL CIRCUIT, COMPRISING A NORMALLY BLOCKED RECTIFIER HAVING SUCCESSIVE ZONES OF P-N-P-N CONDUCTIVITIES, AN INPUT ELECTRODE CONNECTED TO AN END P ZONE, AN OUTPUT ELECTRODE CONNECTED TO THE OPPOSITE END N ZONE, A CONTROL ELECTRODE CONNECTED TO THE INTERMEDIATE P ZONE, SAID RECTIFIER BEING RENDERED CONDUCTING BY THE APPLICATION OF CURRENT OF GIVEN AMPLITUDE AND DIRECTION TO SAID CONTROL ELECTRODE, A LOAD COUPLED TO SAID OUTPUT ELECTRODE, A SOURCE OF POWER COUPLED ACROSS SAID RECTIFIER AND SAID LOAD, AND A SELECTIVELY OPERABLE MAGNETIC AMPLIFIER COUPLED TO SAID CONTROL ELECTRODE AND CAPABLE OF PRODUCING CURRENT OF SAID GIVEN AMPLITUDE, WHEREBY SAID RECTIFIER UNDER CONTROL OF SAID MAGNETIC AMPLIFIER MAY SELECTIVELY CONTROL THE APPLICATION OF POWER TO SAID LOAD.
References Cited (Backward Citations)
US2843818A
Cited
US2770770A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-28 | 1971-11-27 | 1972-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-28 | 1975-11-27 | 1976-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-28 | 1979-11-27 | 1980-05-28 | $7700.00 | Window Closed / Lapsed |