Patent US3171044A successfully refreshed from Google Patents.
US3171044A
Expired / Lapsed
US
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High-speed gate circuit
Assignee: Revvity Inc
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Filing: 1962-09-12
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Granted: 1965-02-23
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Expires: 1982-09-12
Abstract
No abstract record available.
Inventors
- 👤 Charles S Coffey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:26
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/04; H03K17/041; H03K17/04113; H03K17/51; H03K17/56; H03K17/60; H03K17/603
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
182 words
A HIGH-SPEED GATE CIRCUIT COMPRISING: TWO PAIRS OF UNIDIRECTIONAL DEVICES POSSESSING SIMILAR CHARACTERISTICS; A SOURCE OF HIGH FREQUENCY INPUT SIGNALS IN EXCESS OF 100 MEGACYCLES COUPLED TO THE FIRST OF SAID PAIR OF DEVICES; FIRST AND SECOND OUTPUT CIRCUITS OF SUBSTANTIALLY EQUAL IMPEDANCE, THE FIRST OUTPUT CIRCUIT BEING CONNECTED ONE OF THE DEVICES OF EACH PAIR AND THE SECOND OUTPUT CIRCUIT BEING CONNECTED TO THE OTHER DEVICES OF EACH PAIR; MEANS FOR RENDERING A FIRST SET OF TWO OF SAID DEVICES CONDUCTIVE AND A SECOND SET OF THE TWO REMAINING DEVICES NONCONDUCTIVE, THE TWO DEVICES IN EACH SET BEING CONNECTED TO DIFFERENT OUTPUT CIRCUITS AND EACH SET HAVING ONE OF SAID FIRST PAIR OF DEVICES SO THAT THE INPUT SIGNAL IS FED TO THE OUTPUT CIRCUIT CONNECTED TO THE CONDUCTIVE DEVICE OF THE FIRST PAIR; MEANS FOR SUBSTANTIALLY SIMULTANEOUSLY SWITCHING THE INPUT SIGNAL FROM ONE OUTPUT CIRCUIT TO THE OTHER BY MAKING THE CONDUCTIVE DEVICES NONCONDUCTING AND THE NONCONDUCTIVE DEVICES CONDUCTING; AND MEANS FOR MAINTAINING SIMILAR POINTS BETWEEN EACH OUTPUT CIRCUIT AND THE DEVICES CONNECTED THERETO AT SUBSTANTIALLY CONSTANT AND EQUAL POTENTIALS.
Claim 2
Dependent Claim
182 words
A HIGH-SPEED GATE CIRCUIT COMPRISING: TWO PAIRS OF UNIDIRECTIONAL DEVICES POSSESSING SIMILAR CHARACTERISTICS; A SOURCE OF HIGH FREQUENCY INPUT SIGNALS IN EXCESS OF 100 MEGACYCLES COUPLED TO THE FIRST OF SAID PAIR OF DEVICES; FIRST AND SECOND OUTPUT CIRCUITS OF SUBSTANTIALLY EQUAL IMPEDANCE, THE FIRST OUTPUT CIRCUIT BEING CONNECTED ONE OF THE DEVICES OF EACH PAIR AND THE SECOND OUTPUT CIRCUIT BEING CONNECTED TO THE OTHER DEVICES OF EACH PAIR; MEANS FOR RENDERING A FIRST SET OF TWO OF SAID DEVICES CONDUCTIVE AND A SECOND SET OF THE TWO REMAINING DEVICES NONCONDUCTIVE, THE TWO DEVICES IN EACH SET BEING CONNECTED TO DIFFERENT OUTPUT CIRCUITS AND EACH SET HAVING ONE OF SAID FIRST PAIR OF DEVICES SO THAT THE INPUT SIGNAL IS FED TO THE OUTPUT CIRCUIT CONNECTED TO THE CONDUCTIVE DEVICE OF THE FIRST PAIR; MEANS FOR SUBSTANTIALLY SIMULTANEOUSLY SWITCHING THE INPUT SIGNAL FROM ONE OUTPUT CIRCUIT TO THE OTHER BY MAKING THE CONDUCTIVE DEVICES NONCONDUCTING AND THE NONCONDUCTIVE DEVICES CONDUCTING; AND MEANS FOR MAINTAINING SIMILAR POINTS BETWEEN EACH OUTPUT CIRCUIT AND THE DEVICES CONNECTED THERETO AT SUBSTANTIALLY CONSTANT AND EQUAL POTENTIALS.
References Cited (Backward Citations)
US2997605A
Cited
US3031588A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-02-23 | 1968-08-24 | 1969-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-23 | 1972-08-24 | 1973-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-23 | 1976-08-24 | 1977-02-23 | $7700.00 | Window Closed / Lapsed |