Patent US3112412A successfully refreshed from Google Patents.
US3112412A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Direct current threshold signal detector
Assignee: North American Aviation Corp
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Filing: 1960-07-06
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Granted: 1963-11-26
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Expires: 1980-07-06
Abstract
No abstract record available.
Inventors
- 👤 George A Dyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:47
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/35; H03K3/351; H03K17/00; H03K17/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A DEVICE OF THE CLASS DESCRIBED COMPRISING A DOUBLE BASE DIODE HAVING FIRST AND SECOND BASE ELECTRODES AND A CONTROL ELECTRODE, MEANS IN SERIES WITH SAID BASE ELECTRODES FOR BACK BIASING SAID DIODE TO ESTABLISH A PREDETERMINED POTENTIAL AT SAID FIRST BASE ELECTRODE, INPUT MEANS FOR APPLYING AN INPUT SIGNAL TO SAID CONTROL ELECTRODE, SAID MEANS INCLUDING AMPLIFYING MEANS RESPONSIVE TO THE CONDUCTION OF SAID DIODE FOR DRIVING SAID DIODE INTO SATURATION AND OUTPUT MEANS RESPONSIVELY COUPLED ACROSS SAID MEANS FOR BACK BIASING AND SAID SECOND BASE ELECTRODE.
Claim 2
Independent Claim
88 words
A DEVICE OF THE CLASS DESCRIBED COMPRISING A DOUBLE BASE DIODE HAVING FIRST AND SECOND BASE ELECTRODES AND A CONTROL ELECTRODE, MEANS IN SERIES WITH SAID BASE ELECTRODES FOR BACK BIASING SAID DIODE TO ESTABLISH A PREDETERMINED POTENTIAL AT SAID FIRST BASE ELECTRODE, INPUT MEANS FOR APPLYING AN INPUT SIGNAL TO SAID CONTROL ELECTRODE, SAID MEANS INCLUDING AMPLIFYING MEANS RESPONSIVE TO THE CONDUCTION OF SAID DIODE FOR DRIVING SAID DIODE INTO SATURATION AND OUTPUT MEANS RESPONSIVELY COUPLED ACROSS SAID MEANS FOR BACK BIASING AND SAID SECOND BASE ELECTRODE.
References Cited (Backward Citations)
US2930996A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-11-25 | 1967-05-27 | 1967-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-25 | 1971-05-27 | 1971-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-25 | 1975-05-27 | 1975-11-26 | $7700.00 | Window Closed / Lapsed |