Patent US3089967A successfully refreshed from Google Patents.
US3089967A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulse generator
Assignee: Westinghouse Electric Corp
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Filing: 1961-03-30
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Granted: 1963-05-14
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Expires: 1981-03-30
Abstract
No abstract record available.
Inventors
- 👤 Strull Gene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:07
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/313; H03K3/315; H03K3/35; H03K3/352
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
A HIGH SPEED SEMICONDUCTOR SWITCH COMPRISING: A TUNNEL DIODE, A FOUR LAYER SEMICONDUCTOR HYPERCONDUCTIVE NEGATIVE RESISTANCE SWITCH CONNECTED IN SERIES WITH SAID TUNNEL DIODE, A LOAD RESISTANCE AND A CONSTANT VOLTAGE SOURCE, SAID HYPERCONDUCTIVE SWITCH HAVING A BREAKOVER VOLTAGE SUBSTANTIALLY LESS THAN THE VOLTAGE OF SAID CONSTANT VOLTAGE SOURCE, AND SAID LOAD RESISTANCE BEING OF SUCH A VALUE RELATIVE TO SAID CONSTANT VOLTAGE SOURCE SO THAT SAID TUNNEL DIODE OBTAINS A HIGH IMPEDANCE STATE AFTER BREAKOVER OF SAID SEMINCONDUCTOR SWITCH WHEREIN THE CURRENT THERETHROUGH IS LESS THAN THE SUSTAINING CURRENT OF SAID SEMICONDUCTOR SWITCH.
Claim 2
Dependent Claim
94 words
A HIGH SPEED SEMICONDUCTOR SWITCH COMPRISING: A TUNNEL DIODE, A FOUR LAYER SEMICONDUCTOR HYPERCONDUCTIVE NEGATIVE RESISTANCE SWITCH CONNECTED IN SERIES WITH SAID TUNNEL DIODE, A LOAD RESISTANCE AND A CONSTANT VOLTAGE SOURCE, SAID HYPERCONDUCTIVE SWITCH HAVING A BREAKOVER VOLTAGE SUBSTANTIALLY LESS THAN THE VOLTAGE OF SAID CONSTANT VOLTAGE SOURCE, AND SAID LOAD RESISTANCE BEING OF SUCH A VALUE RELATIVE TO SAID CONSTANT VOLTAGE SOURCE SO THAT SAID TUNNEL DIODE OBTAINS A HIGH IMPEDANCE STATE AFTER BREAKOVER OF SAID SEMINCONDUCTOR SWITCH WHEREIN THE CURRENT THERETHROUGH IS LESS THAN THE SUSTAINING CURRENT OF SAID SEMICONDUCTOR SWITCH.
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) | 1966-05-13 | 1966-11-12 | 1967-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-13 | 1970-11-12 | 1971-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-13 | 1974-11-12 | 1975-05-14 | $7700.00 | Window Closed / Lapsed |