US3114056A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Driver circuit using avalanche transistors and resonant lc for respectively discharging and recharging of capacitor
Assignee: Unisys Corp
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Filing: 1961-08-22
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Granted: 1963-12-10
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Expires: 1981-08-22
Abstract
No abstract record available.
Inventors
- 👤 William O Berge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:56
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/53; H03K3/57; H03K17/00; H03K17/04; H03K17/041; H03K17/0416; H03K17/04166; H03K3/335
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A HIGH SPEED DRIVER CIRCUIT COMPRISING: A SEMICONDUCTOR DEVICE INCLUDING AT LEAST TWO ELECTRODES BETWEEN WHICH IS EXHIBITED A NEGATIVE RESISTANCE CHARACTERISTIC, A SERIES COMBINATION OF A CAPACITOR AND A RESISTOR CONNECTED BETWEEN ONE OF SAID ELECTRODES AND A POTENTIAL WITH AN OUTPUT TERMINAL CONNECTED TO THE JUNCTION BETWEEN SAID CAPACITOR AND SAID RESISTOR, A POTENTIAL CONNECTED TO THE OTHER OF SAID ELECTRODES, AN INDUCTOR FOR PROVIDING RESONANT OSCILLATION IN A SERIES CIRCUIT INCLUDING IT AND SAID CAPACITOR, A POTENTIAL CONNECTED THROUGH SAID INDUCTOR TO SAID ONE ELECTRODE FOR REVERSE BIASING SAID DEVICE TO A HIGH RESISTANCE CONDITION, FIRST MEANS TO APPLY A SIGNAL TO SAID DEVICE FOR TEMPORARILY OPERATING SAME IN ITS NEGATIVE RE-
Claim 2
Dependent Claim
115 words
A HIGH SPEED DRIVER CIRCUIT COMPRISING: A SEMICONDUCTOR DEVICE INCLUDING AT LEAST TWO ELECTRODES BETWEEN WHICH IS EXHIBITED A NEGATIVE RESISTANCE CHARACTERISTIC, A SERIES COMBINATION OF A CAPACITOR AND A RESISTOR CONNECTED BETWEEN ONE OF SAID ELECTRODES AND A POTENTIAL WITH AN OUTPUT TERMINAL CONNECTED TO THE JUNCTION BETWEEN SAID CAPACITOR AND SAID RESISTOR, A POTENTIAL CONNECTED TO THE OTHER OF SAID ELECTRODES, AN INDUCTOR FOR PROVIDING RESONANT OSCILLATION IN A SERIES CIRCUIT INCLUDING IT AND SAID CAPACITOR, A POTENTIAL CONNECTED THROUGH SAID INDUCTOR TO SAID ONE ELECTRODE FOR REVERSE BIASING SAID DEVICE TO A HIGH RESISTANCE CONDITION, FIRST MEANS TO APPLY A SIGNAL TO SAID DEVICE FOR TEMPORARILY OPERATING SAME IN ITS NEGATIVE RE-
References Cited (Backward Citations)
US2849626A
Cited
US2995709A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-09 | 1967-06-10 | 1967-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-09 | 1971-06-10 | 1971-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-09 | 1975-06-10 | 1975-12-10 | $7700.00 | Window Closed / Lapsed |