Patent EP0522606A2 successfully refreshed from Google Patents.
US3138722A
Expired / Lapsed
US
⏱️ 0.0 years remaining
On-time silicon controlled rectifier circuit
Assignee: General Electric Co
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Filing: 1960-10-27
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Granted: 1964-06-23
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Expires: 1980-10-27
Abstract
No abstract record available.
Inventors
- 👤 Raymond E Morgan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:46
CPC Classifications
H; H02; H02M; H02M3/00; H02M3/02; H02M3/04; H02M3/10; H02M3/125; H02M3/135; H02M3/137
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
A GATE CONTROLLED CONDUCTING DEVICE OF THE TYPE HAVING AT LEAST A CATHODE, ANODE, AND GATING ELECTRODE WHEREIN CONDUCTION THROUGH THE DEVICE IN INITIATED BY THE GATING ELECTRODE BUT THEREAFTER THE GATING ELECTRODE LOSES CONTROL OVER CONDUCTION THROUGH THE DEVICE, MEANS FOR APPLYING A GATING CONTROL SIGNAL TO THE GATING ELECTRODE OF SAID GATE CONTROLLED CONDUCTING DEVICE TO RENDER IT CONDUCTIVE, A FIRST SATURABLE REACTOR OPERATIVELY COUPLED IN THE ANODE-CATHODE CIRCUIT OF SAID GATE CONTROLLED CONDUCTING DEVICE, A COMMUTATING CAPACITOR CONNECTED IN CIRCUIT RELATIONSHIP WITH SAID FIRST SATURABLE REACTOR AND SAID GATE CONTROLLED CONDUCTING DEVICE FOR COMMUTATING OFF SAID GATE CONTROLLED CONDUCTING DEVICE UPON SAID SATURABLE REACTOR REACHING A SATURATED CONDITION TO THEREBY TERMINATE CONDUCTION THROUGH SAID GATE CONTROLLED CONDUCTING DEVICE, AND A SECOND CONTROL SATURABLE REACTOR CONNECTED IN PARALLEL WITH SAID FIRST SATURABLE REACTOR FOR CONTROLLING THE OPERATION OF SAID FIRST SATURABLE REACTOR.
Claim 2
Dependent Claim
144 words
A GATE CONTROLLED CONDUCTING DEVICE OF THE TYPE HAVING AT LEAST A CATHODE, ANODE, AND GATING ELECTRODE WHEREIN CONDUCTION THROUGH THE DEVICE IN INITIATED BY THE GATING ELECTRODE BUT THEREAFTER THE GATING ELECTRODE LOSES CONTROL OVER CONDUCTION THROUGH THE DEVICE, MEANS FOR APPLYING A GATING CONTROL SIGNAL TO THE GATING ELECTRODE OF SAID GATE CONTROLLED CONDUCTING DEVICE TO RENDER IT CONDUCTIVE, A FIRST SATURABLE REACTOR OPERATIVELY COUPLED IN THE ANODE-CATHODE CIRCUIT OF SAID GATE CONTROLLED CONDUCTING DEVICE, A COMMUTATING CAPACITOR CONNECTED IN CIRCUIT RELATIONSHIP WITH SAID FIRST SATURABLE REACTOR AND SAID GATE CONTROLLED CONDUCTING DEVICE FOR COMMUTATING OFF SAID GATE CONTROLLED CONDUCTING DEVICE UPON SAID SATURABLE REACTOR REACHING A SATURATED CONDITION TO THEREBY TERMINATE CONDUCTION THROUGH SAID GATE CONTROLLED CONDUCTING DEVICE, AND A SECOND CONTROL SATURABLE REACTOR CONNECTED IN PARALLEL WITH SAID FIRST SATURABLE REACTOR FOR CONTROLLING THE OPERATION OF SAID FIRST SATURABLE REACTOR.
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) | 1967-06-23 | 1967-12-23 | 1968-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-23 | 1971-12-23 | 1972-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-23 | 1975-12-23 | 1976-06-23 | $7700.00 | Window Closed / Lapsed |