US3142768A
Expired / Lapsed
US
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Unidirectional tunnel diode pulse circuits
Assignee: RCA Corp
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Filing: 1961-01-03
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Granted: 1964-07-28
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Expires: 1981-01-03
Abstract
No abstract record available.
Inventors
- 👤 Melvin M Kaufman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:09
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/51; H03K17/56; H03K17/58
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
A TUNNEL DIODE CIRCUIT COMPRISING TWO OPPOSITELY POLED TUNNEL DIODES CONNECTED IN SERIES, MEANS TO BIAS SAID DIODES FOR OPERATION IN THE SAME ONE OF THEIR TWO OPERATING VOLTAGE STATES, MEANS TO APPLY AN INPUT SIGNAL ACROSS THE SERIES COMBINATION OF SAID DIODES, WHEREBY SAID DIODES ARE SWITCHED, AND MEANS TO DERIVE AN OUTPUT SIGNAL FROM THE JUNCTION BETWEEN SAID DIODES.
Claim 2
Dependent Claim
61 words
A TUNNEL DIODE CIRCUIT COMPRISING TWO OPPOSITELY POLED TUNNEL DIODES CONNECTED IN SERIES, MEANS TO BIAS SAID DIODES FOR OPERATION IN THE SAME ONE OF THEIR TWO OPERATING VOLTAGE STATES, MEANS TO APPLY AN INPUT SIGNAL ACROSS THE SERIES COMBINATION OF SAID DIODES, WHEREBY SAID DIODES ARE SWITCHED, AND MEANS TO DERIVE AN OUTPUT SIGNAL FROM THE JUNCTION BETWEEN SAID DIODES.
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) | 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 |