US3267290A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Series connected controlled rectifiers fired by particular-pulse generating circuit
Assignee: Infineon Technologies Americas Corp
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Filing: 1962-11-05
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Granted: 1966-08-16
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Expires: 1982-11-05
Abstract
No abstract record available.
Inventors
- 👤 Edward J Diebold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:34
CPC Classifications
H; H02; H02M; H02M1/00; H02M1/08; H02M1/088; H02M7/00; H02M7/02; H02M7/04; H02M7/12; H02M7/145; H02M7/155; H02M7/19
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
162 words
A FIRING SYSTEM FOR A PLURALITY OF SERIES CONNECTED CONTROLLED RECTIFIERS; EACH OF SAID CONTROLLED RECTIFIERS HAVING AN ANODE-CATHODE CIRCUIT, A GATE-CATHODE CIRCUIT AND AN ANODE, CATHODE AND GATE TERMINALS; SAID ANODE-CATHODE CIRCUIT TERMINATING AT SAID ANODE AND CATHODE TERMINALS RESPECTIVELY; SAID GATE-CATHODE CIRCUIT TERMINATING AT SAID GATE AND CATHODE TERMINALS RESPECTIVELY; EACH OF SAID PLURALITY OF SERIES CONNECTED CONTROLLED RECTIFIERS HAVING A PARALLEL CONNECTED RESISTOR AND A PARALLEL CONNECTED CAPACITOR IN THEIR ANODE-CATHODE CIRCUIT FOR DISTRIBUTING STEADY STATE AND TRANSIENT VOLTAGES BETWEEN SAID PLURALITY OF SERIES CONNECTED CONTROLLED RECTIFIERS; AND A PULSE GENERATING CIRCUIT CONNECTED TO THE GATE-CATHODE CIRCUIT OF EACH OF SAID PLURALITY OF CONTROLLED RECTIFIERS; SAID PULSE GENERATING CIRCUIT GENERATING PULSES TO FIRE EACH OF SAID RECTIFIERS HAVING A MAGNITUDE OF AT LEAST 100 TIMES THE MINIMUM MAGNITUDE OF CURRENT REQUIRED TO FIRE ANY ONE OF SAID PLURALITY OF CONTROLLED RECTIFIERS; AND A DURATION LESS THAN THE LENGTH OF TIME REQUIRED TO TURN ON ANY OF SAID CONTROLLED RECTIFIERS.
Claim 2
Dependent Claim
162 words
A FIRING SYSTEM FOR A PLURALITY OF SERIES CONNECTED CONTROLLED RECTIFIERS; EACH OF SAID CONTROLLED RECTIFIERS HAVING AN ANODE-CATHODE CIRCUIT, A GATE-CATHODE CIRCUIT AND AN ANODE, CATHODE AND GATE TERMINALS; SAID ANODE-CATHODE CIRCUIT TERMINATING AT SAID ANODE AND CATHODE TERMINALS RESPECTIVELY; SAID GATE-CATHODE CIRCUIT TERMINATING AT SAID GATE AND CATHODE TERMINALS RESPECTIVELY; EACH OF SAID PLURALITY OF SERIES CONNECTED CONTROLLED RECTIFIERS HAVING A PARALLEL CONNECTED RESISTOR AND A PARALLEL CONNECTED CAPACITOR IN THEIR ANODE-CATHODE CIRCUIT FOR DISTRIBUTING STEADY STATE AND TRANSIENT VOLTAGES BETWEEN SAID PLURALITY OF SERIES CONNECTED CONTROLLED RECTIFIERS; AND A PULSE GENERATING CIRCUIT CONNECTED TO THE GATE-CATHODE CIRCUIT OF EACH OF SAID PLURALITY OF CONTROLLED RECTIFIERS; SAID PULSE GENERATING CIRCUIT GENERATING PULSES TO FIRE EACH OF SAID RECTIFIERS HAVING A MAGNITUDE OF AT LEAST 100 TIMES THE MINIMUM MAGNITUDE OF CURRENT REQUIRED TO FIRE ANY ONE OF SAID PLURALITY OF CONTROLLED RECTIFIERS; AND A DURATION LESS THAN THE LENGTH OF TIME REQUIRED TO TURN ON ANY OF SAID CONTROLLED RECTIFIERS.
References Cited (Backward Citations)
US3049642A
Cited
US2773184A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-15 | 1970-02-14 | 1970-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-15 | 1974-02-14 | 1974-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-15 | 1978-02-14 | 1978-08-16 | $7700.00 | Window Closed / Lapsed |