Patent US1003087A successfully refreshed from Google Patents.
US3115584A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-resetting negative resistance diode inverter circuit
Assignee: RCA Corp
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Filing: 1960-12-27
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Granted: 1963-12-24
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Expires: 1980-12-27
Abstract
No abstract record available.
Inventors
- 👤 Frank C Yao
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:30
CPC Classifications
H; H03; H03K; H03K19/00; H03K19/02; H03K19/08; H03K19/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
A TUNNEL DIODE INVERTER COMPRISING, IN COMBINATION, A TUNNEL DIODE; A CURRENT SOURCE COUPLED AT ONE TERMINAL TO ONE ELECTRODE OF THE TUNNEL DIODE FOR QUIESCENTLY BIASING THE DIODE TO ONE OF ITS STABLE VOLTAGE STATES; A DIFFERENTIATING CIRCUIT A PORTION OF WHICH IS CONNECTED BETWEEN THE OTHER TERMINAL OF SAID SOURCE AND THE OTHER ELECTRODE OF THE TUNNEL DIODE, SAID CIRCUIT INCLUDING AN INDUCTOR IN SERIES BETWEEN SAID OTHER ELECTRODE OF THE TUNNEL DIODE AND SAID OTHER TERMINAL OF SAID SOURCE AND A RESISTOR CONNECTED AT ONE TERMINAL TO SAID OTHER ELECTRODE OF SAID TUNNEL DIODE AND ADAPTED TO RECEIVE AN INPUT PULSE TO BE INVERTED AT ITS OTHER TERMINAL; AND AN OUTPUT TERMINAL AT SAID ONE ELECTRODE OF SAID TUNNEL DIODE.
Claim 2
Dependent Claim
123 words
A TUNNEL DIODE INVERTER COMPRISING, IN COMBINATION, A TUNNEL DIODE; A CURRENT SOURCE COUPLED AT ONE TERMINAL TO ONE ELECTRODE OF THE TUNNEL DIODE FOR QUIESCENTLY BIASING THE DIODE TO ONE OF ITS STABLE VOLTAGE STATES; A DIFFERENTIATING CIRCUIT A PORTION OF WHICH IS CONNECTED BETWEEN THE OTHER TERMINAL OF SAID SOURCE AND THE OTHER ELECTRODE OF THE TUNNEL DIODE, SAID CIRCUIT INCLUDING AN INDUCTOR IN SERIES BETWEEN SAID OTHER ELECTRODE OF THE TUNNEL DIODE AND SAID OTHER TERMINAL OF SAID SOURCE AND A RESISTOR CONNECTED AT ONE TERMINAL TO SAID OTHER ELECTRODE OF SAID TUNNEL DIODE AND ADAPTED TO RECEIVE AN INPUT PULSE TO BE INVERTED AT ITS OTHER TERMINAL; AND AN OUTPUT TERMINAL AT SAID ONE ELECTRODE OF SAID TUNNEL DIODE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-23 | 1967-06-24 | 1967-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-23 | 1971-06-24 | 1971-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-23 | 1975-06-24 | 1975-12-24 | $7700.00 | Window Closed / Lapsed |