US3148302A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Microwave amplifier tube with direct current field interaction means for the electron beam
Assignee: Westinghouse Electric Corp
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Filing: 1959-09-09
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Granted: 1964-09-08
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Expires: 1979-09-09
Abstract
No abstract record available.
Inventors
- 👤 Philippe A Clavier
- 👤 Daniel C Buck
- 👤 Carl H Scullin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:32
CPC Classifications
H; H01; H01J; H01J25/00; H01J25/34; H01J25/49
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
A MICROWAVE AMPLIFIER COMPRISING MEANS FOR PRODUCING AN ELECTRON BEAM, SIGNAL INPUT COUPLING MEANS, SIGNAL OUTPUT COUPLING MEANS, SPACED ELECTRODES FORMING AN INTERACTION REGION BETWEEN SAID INPUT AND OUTPUT SIGNAL COUPLING MEANS, MEANS FOR IMPRESSING A DIRECT CURRENT VOLTAGE ON SAID SPACED ELECTRODES TO ESTABLISH A DIRECT CURRENT FIELD IN SAID INTERACTION REGION WHICH VARIES ALONG THE PATH OF SAID ELECTRON BEAM SUCH THAT AN ELECTRON PASSING THROUGH SAID INTERACTION REGION IS INFLUENCED IN A MANNER SIMILAR TO A TIME VARYING PUMPING FIELD, AND FIELD PRODUCING MEANS FOR PREVENTING THE SPREAD OF SAID ELECTRON BEAM IN A PREDETERMINED DIRECTION PERPENDICULAR TO THE DIRECTION OF FLOW OF SAID ELECTRON BEAM, SAID SIGNAL INPUT COUPLING MEANS RESPONSIVE TO AN INPUT SIGNAL TO PRODUCE DEFLECTIONS OF SAID ELECTRON BEAM IN A DIRECTION PERPENDICULAR TO BOTH SAID PREDETERMINED DIRECTION AND THE DIRECTION OF FLOW OF SAID ELECTRON BEAM,
Claim 2
Dependent Claim
144 words
A MICROWAVE AMPLIFIER COMPRISING MEANS FOR PRODUCING AN ELECTRON BEAM, SIGNAL INPUT COUPLING MEANS, SIGNAL OUTPUT COUPLING MEANS, SPACED ELECTRODES FORMING AN INTERACTION REGION BETWEEN SAID INPUT AND OUTPUT SIGNAL COUPLING MEANS, MEANS FOR IMPRESSING A DIRECT CURRENT VOLTAGE ON SAID SPACED ELECTRODES TO ESTABLISH A DIRECT CURRENT FIELD IN SAID INTERACTION REGION WHICH VARIES ALONG THE PATH OF SAID ELECTRON BEAM SUCH THAT AN ELECTRON PASSING THROUGH SAID INTERACTION REGION IS INFLUENCED IN A MANNER SIMILAR TO A TIME VARYING PUMPING FIELD, AND FIELD PRODUCING MEANS FOR PREVENTING THE SPREAD OF SAID ELECTRON BEAM IN A PREDETERMINED DIRECTION PERPENDICULAR TO THE DIRECTION OF FLOW OF SAID ELECTRON BEAM, SAID SIGNAL INPUT COUPLING MEANS RESPONSIVE TO AN INPUT SIGNAL TO PRODUCE DEFLECTIONS OF SAID ELECTRON BEAM IN A DIRECTION PERPENDICULAR TO BOTH SAID PREDETERMINED DIRECTION AND THE DIRECTION OF FLOW OF SAID ELECTRON BEAM,
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) | 1967-09-08 | 1968-03-09 | 1968-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-08 | 1972-03-09 | 1972-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-08 | 1976-03-09 | 1976-09-08 | $7700.00 | Window Closed / Lapsed |