Patent US3323014A successfully refreshed from Google Patents.
US3323014A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuits for firing a plurality of solid state control devices
Assignee: General Electric Co
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Filing: 1962-12-17
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Granted: 1967-05-30
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Expires: 1982-12-17
Abstract
No abstract record available.
Inventors
- 👤 Thomas G West
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:28
CPC Classifications
G; G05; G05F; G05F1/00; G05F1/10; G05F1/12; G05F1/40; G05F1/44; G05F1/45; G05F1/455; H; H02; H02M; H02M1/00; H02M1/08; H02M1/081; H02M1/088; H02M5/00; H02M5/02; H02M5/04; H02M5/22; H02M5/25; H02M5/253; H02M5/257; H02M5/2573; H02M7/00; H02M7/02; H02M7/04; H02M7/12; H02M7/145; H02M7/155; H02M7/1555; H02M7/19; H05; H05B; H05B41/00; H05B41/14; H05B41/36; H05B41/38; H05B41/39; H05B41/392; H05B41/3921; H05B41/3924
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
180 words
A FIRING CIRCUIT FOR USE IN CONJUNCTION WITH A POTENTIAL SOURCE TO FIRE A PLURALITY OF SOLID STATE CONTROL DEVICES, SAID FIRING CIRCUIT COMPRISING: A MASTER CONTROL DEVICE, A PLURALITY OF SLAVE CONTROL DEVICES, EACH OF SAID CONTROL DEVICES HAVING A PLURALITY OF SEMICONDUCTING ZONES FORMING MORE THAN TWO P-N JUNCTIONS, MEANS COUPLED WITH SAID MASTER CONTROL DEVICE FOR PHASE CONTROLLING SAID MASTER DEVICE, A PLURALITY OF SETS OF SERIALLY CONNECTED CAPACITORS AND RESISTORS, CIRCUIT MEANS FOR CONNECTING EACH OF SAID SERIALLY CONNECTED CAPACITOR AND RESISTOR SETS ACROSS THE POTENTIAL SOURCE TO SUPPLY CHARGING CURRENT TO THE CAPACITORS AND CONNECTING EACH OF SAID CAPACITORS IN CIRCUIT ACROSS SAID MASTER CONTROL DEVICE TO PROVIDE A DISCHARGE PATH FOR THE CAPACITORS THROUGH THE MASTER CONTROL DEVICE, AND MEANS COUPLING EACH OF SAID CAPACITORS WITH AT LEAST ONE OF SAID PLURALITY OF SLAVE CONTROL DEVICES FOR FIRING SAID SLAVE CONTROL DEVICES WHEN THE CAPACITORS ARE DISCHARGED, SAID MASTER CONTROL DEVICE WHEN FIRED CAUSING EACH OF SAID CAPACITORS TO BE DISCHARGED THEREBY TO CAUSE SAID PLURALITY OF SLAVE CONTROL DEVICES TO BE SYMMETRICALLY FIRED.
Claim 2
Dependent Claim
180 words
A FIRING CIRCUIT FOR USE IN CONJUNCTION WITH A POTENTIAL SOURCE TO FIRE A PLURALITY OF SOLID STATE CONTROL DEVICES, SAID FIRING CIRCUIT COMPRISING: A MASTER CONTROL DEVICE, A PLURALITY OF SLAVE CONTROL DEVICES, EACH OF SAID CONTROL DEVICES HAVING A PLURALITY OF SEMICONDUCTING ZONES FORMING MORE THAN TWO P-N JUNCTIONS, MEANS COUPLED WITH SAID MASTER CONTROL DEVICE FOR PHASE CONTROLLING SAID MASTER DEVICE, A PLURALITY OF SETS OF SERIALLY CONNECTED CAPACITORS AND RESISTORS, CIRCUIT MEANS FOR CONNECTING EACH OF SAID SERIALLY CONNECTED CAPACITOR AND RESISTOR SETS ACROSS THE POTENTIAL SOURCE TO SUPPLY CHARGING CURRENT TO THE CAPACITORS AND CONNECTING EACH OF SAID CAPACITORS IN CIRCUIT ACROSS SAID MASTER CONTROL DEVICE TO PROVIDE A DISCHARGE PATH FOR THE CAPACITORS THROUGH THE MASTER CONTROL DEVICE, AND MEANS COUPLING EACH OF SAID CAPACITORS WITH AT LEAST ONE OF SAID PLURALITY OF SLAVE CONTROL DEVICES FOR FIRING SAID SLAVE CONTROL DEVICES WHEN THE CAPACITORS ARE DISCHARGED, SAID MASTER CONTROL DEVICE WHEN FIRED CAUSING EACH OF SAID CAPACITORS TO BE DISCHARGED THEREBY TO CAUSE SAID PLURALITY OF SLAVE CONTROL DEVICES TO BE SYMMETRICALLY FIRED.
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) | 1970-05-29 | 1970-11-28 | 1971-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-29 | 1974-11-28 | 1975-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-29 | 1978-11-28 | 1979-05-30 | $7700.00 | Window Closed / Lapsed |