Patent US3176152A successfully refreshed from Google Patents.
US3176152A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Current switching transistor system utilizing tunnel diode coupling
Assignee: Lanteris Space LLC
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Filing: 1961-08-04
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Granted: 1965-03-30
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Expires: 1981-08-04
Abstract
No abstract record available.
Inventors
- 👤 Spiegel Philip
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:51
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/51; H03K17/56; H03K17/58
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
IN A CURRENT SWITCHING TRANSISTOR SYSTEM, AT LEAST TWO CASCADED CURRENT SWITCHING STAGES, EACH OF SAID STAGES INCLUDING A PAIR OF TRANSISTORS CONNECTED IN PLURALITY RELATION WITH ONE ANOTHER, A CONSTANT CURRENT SOURCE CONNECTED TO THE EMITTERS OF SAID TRANSISTORS, SIGNAL INPUT MEANS CONNECTED TO THE FIRST OF SAID STAGES FOR CONTROLLING THE CURRENT SWITCHING ACTION THEREIN, AND MEANS FOR CONTROLLING THE CURRENT SWITCHING ACTION IN THE SECOND OF SAID STAGES COMPRISING COUPLING MEANS BETWEEN THE RESPECTIVE OUTPUTS OF THE TRANSISTORS OF THE FIRST STAGE AND THE RESPECTIVE INPUTS OF THE TRANSISTORS OF THE SECOND STAGE, EACH OF SAID COUPLING MEANS INCLUDING A RESISTOR AND A TUNNEL
Claim 2
Dependent Claim
107 words
IN A CURRENT SWITCHING TRANSISTOR SYSTEM, AT LEAST TWO CASCADED CURRENT SWITCHING STAGES, EACH OF SAID STAGES INCLUDING A PAIR OF TRANSISTORS CONNECTED IN PLURALITY RELATION WITH ONE ANOTHER, A CONSTANT CURRENT SOURCE CONNECTED TO THE EMITTERS OF SAID TRANSISTORS, SIGNAL INPUT MEANS CONNECTED TO THE FIRST OF SAID STAGES FOR CONTROLLING THE CURRENT SWITCHING ACTION THEREIN, AND MEANS FOR CONTROLLING THE CURRENT SWITCHING ACTION IN THE SECOND OF SAID STAGES COMPRISING COUPLING MEANS BETWEEN THE RESPECTIVE OUTPUTS OF THE TRANSISTORS OF THE FIRST STAGE AND THE RESPECTIVE INPUTS OF THE TRANSISTORS OF THE SECOND STAGE, EACH OF SAID COUPLING MEANS INCLUDING A RESISTOR AND A TUNNEL
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) | 1968-03-29 | 1968-09-28 | 1969-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-29 | 1972-09-28 | 1973-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-29 | 1976-09-28 | 1977-03-30 | $7700.00 | Window Closed / Lapsed |