US3207913A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Logic circuit employing transistors and negative resistance diodes
Assignee: RCA Corp
•
Filing: 1960-01-13
•
Granted: 1965-09-21
•
Expires: 1980-01-13
Abstract
No abstract record available.
Inventors
- 👤 Gerald B Herzog
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:49
CPC Classifications
G; G06; G06F; G06F7/00; G06F7/38; G06F7/48; G06F7/50; G06F7/501; G06F7/5013; H; H03; H03K; H03K19/00; H03K19/02; H03K19/08; H03K19/10; H03K3/00; H03K3/02; H03K3/313; H03K3/315; G06F2207/00; G06F2207/38; G06F2207/48; G06F2207/4802; G06F2207/4818; G06F2207/4828
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
IN COMBINATION, A TRANSISTOR HAVING EMITTER, COLLECTOR, AND BASE ELECTRODES; A CONNECTION FROM SAID BASE ELECTRODE TO GROUND; AN IMPEDANCE ELEMENT; A VOLTAGE CONTROLLED NEGATIVE RESISTACNE DEVICE CONNECTED AT ONE ELECTRODE TO SAID EMITTER ELECTRODE AND CONNECTED AT ITS OTHER ELECTRODE THROUGH SAID IMPEDANCE ELEMENT TO GROUND; MEANS FOR APPLYING AN OPERATING VOLTAGE TO SAID COLLECTOR ELECTRODE; MEANS FOR APPLYING AN INPUT SIGNAL TO THE CONNECTION BETWEEN SAID NEGATIVE RESISTANCE DEVICE AND SAID IMPEDANCE ELEMENT; AND MEANS FOR DERIVING AN OUTPUT SIGNAL FROM SAID COLLECTOR ELECTRODE.
Claim 2
Dependent Claim
86 words
IN COMBINATION, A TRANSISTOR HAVING EMITTER, COLLECTOR, AND BASE ELECTRODES; A CONNECTION FROM SAID BASE ELECTRODE TO GROUND; AN IMPEDANCE ELEMENT; A VOLTAGE CONTROLLED NEGATIVE RESISTACNE DEVICE CONNECTED AT ONE ELECTRODE TO SAID EMITTER ELECTRODE AND CONNECTED AT ITS OTHER ELECTRODE THROUGH SAID IMPEDANCE ELEMENT TO GROUND; MEANS FOR APPLYING AN OPERATING VOLTAGE TO SAID COLLECTOR ELECTRODE; MEANS FOR APPLYING AN INPUT SIGNAL TO THE CONNECTION BETWEEN SAID NEGATIVE RESISTANCE DEVICE AND SAID IMPEDANCE ELEMENT; AND MEANS FOR DERIVING AN OUTPUT SIGNAL FROM SAID COLLECTOR ELECTRODE.
References Cited (Backward Citations)
US2765115A
Cited
US2971696A
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US2930530A
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US3015734A
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US3054911A
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US3116459A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-20 | 1969-03-22 | 1969-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-20 | 1973-03-22 | 1973-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-20 | 1977-03-22 | 1977-09-21 | $7700.00 | Window Closed / Lapsed |