US3204129A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Negative resistance diode trigger circuit
Assignee: AT&T Inc
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Filing: 1960-11-10
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Granted: 1965-08-31
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Expires: 1980-11-10
Abstract
No abstract record available.
Inventors
- 👤 Reginald A Kaenel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:58
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/313; H03K3/315
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
IN COMBINATION IN A TRIGGER CIRCUIT, A TUNNEL DIODE WHOSE VOLTAGE-CURRENT CHARACTERISTIC CURVE EXHIBITS A PEAK POINT AND A VALLEY POINT, AN INDUCTOR CONNECTED IN SERIES WITH SAID DIODE, MEANS FOR BIASING SAID DIODE FOR BISTABLE OPERATION AT RELATIVELY LOW AND RELATIVELY HIGH VOLTAGE STABLE OPERATING POINTS, TRIGGER SOURCE MEANS CONNECTED IN PARALLEL WITH SAID DIODE FOR SUPPLYING THERETO IDENTICAL BIPOLAR PULSES EACH OF WHICH COMPRISES A FIRST EXCURSION OF ONE POLARITY AND A CONTIGUOUS SECOND EXCURSION OF THE OPPOSITE POLARITY TO SWITCH SAID DIODE FORM ONE TO THE OTHER OF SAID STABLE POINTS IN RESPECTIVE TO THE APPLICATION THERETO OF EACH OF SAID PULSES.
Claim 2
Dependent Claim
105 words
IN COMBINATION IN A TRIGGER CIRCUIT, A TUNNEL DIODE WHOSE VOLTAGE-CURRENT CHARACTERISTIC CURVE EXHIBITS A PEAK POINT AND A VALLEY POINT, AN INDUCTOR CONNECTED IN SERIES WITH SAID DIODE, MEANS FOR BIASING SAID DIODE FOR BISTABLE OPERATION AT RELATIVELY LOW AND RELATIVELY HIGH VOLTAGE STABLE OPERATING POINTS, TRIGGER SOURCE MEANS CONNECTED IN PARALLEL WITH SAID DIODE FOR SUPPLYING THERETO IDENTICAL BIPOLAR PULSES EACH OF WHICH COMPRISES A FIRST EXCURSION OF ONE POLARITY AND A CONTIGUOUS SECOND EXCURSION OF THE OPPOSITE POLARITY TO SWITCH SAID DIODE FORM ONE TO THE OTHER OF SAID STABLE POINTS IN RESPECTIVE TO THE APPLICATION THERETO OF EACH OF SAID PULSES.
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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) | 1968-08-30 | 1969-03-01 | 1969-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-30 | 1973-03-01 | 1973-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-30 | 1977-03-01 | 1977-08-31 | $7700.00 | Window Closed / Lapsed |