US3142767A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resettable tunnel diode circuit
Assignee: RCA Corp
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Filing: 1961-01-24
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Granted: 1964-07-28
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Expires: 1981-01-24
Abstract
No abstract record available.
Inventors
- 👤 Eldon C Cornish
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:54
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/313; H03K3/315
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
A BISTABLE CIRCUIT COMPRISING A TUNNEL DIODE AND AN INDUCTOR CONNECTED IN SERIES, A TUNNEL RECTIFIER CONNECTED ACROSS SAID SERIES CIRCUIT TO VARIABLY LOAD SAID TUNNEL DIODE, MEANS TO DIRECT CURRENT BIAS SAID TUNNEL DIODE AND TUNNEL RECTIFIER SO THAT AT FIRST STABLE OPERATING CONDITION IS PROVIDED WITH THE TUNNEL RECTIFIER IN A HIGH IMPEDANCE STATE AND THE TUNNEL DIODE IN A LOW VOLTAGE STATE, AND SO THAT A SECOND STABLE OPERATING CONDITION IS PROVIDED WITH THE TUNNEL RECTIFIER IN A LOW IMPEDANCE STATE AND THE TUNNEL DIODE IN A HIGH VOLTAGE STATE, MEANS TO APPLY SET AND RESET PULSES TO SAID TUNNEL DIODE TO SWITCH THE TUNNEL DIODE BETWEEN HIGH AND LOW VOLTAGE STATES, AND MEANS TO DERIVE AN OUTPUT SIGNAL FROM SAID TUNNEL DIODE.
Claim 2
Dependent Claim
126 words
A BISTABLE CIRCUIT COMPRISING A TUNNEL DIODE AND AN INDUCTOR CONNECTED IN SERIES, A TUNNEL RECTIFIER CONNECTED ACROSS SAID SERIES CIRCUIT TO VARIABLY LOAD SAID TUNNEL DIODE, MEANS TO DIRECT CURRENT BIAS SAID TUNNEL DIODE AND TUNNEL RECTIFIER SO THAT AT FIRST STABLE OPERATING CONDITION IS PROVIDED WITH THE TUNNEL RECTIFIER IN A HIGH IMPEDANCE STATE AND THE TUNNEL DIODE IN A LOW VOLTAGE STATE, AND SO THAT A SECOND STABLE OPERATING CONDITION IS PROVIDED WITH THE TUNNEL RECTIFIER IN A LOW IMPEDANCE STATE AND THE TUNNEL DIODE IN A HIGH VOLTAGE STATE, MEANS TO APPLY SET AND RESET PULSES TO SAID TUNNEL DIODE TO SWITCH THE TUNNEL DIODE BETWEEN HIGH AND LOW VOLTAGE STATES, AND MEANS TO DERIVE AN OUTPUT SIGNAL FROM SAID TUNNEL DIODE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-28 | 1968-01-27 | 1968-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-28 | 1972-01-27 | 1972-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-28 | 1976-01-27 | 1976-07-28 | $7700.00 | Window Closed / Lapsed |