US3274507A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electron beam plasma amplifier with a wave-guide coupling
Assignee: US Philips Corp
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Filing: 1962-01-08
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Granted: 1966-09-20
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Expires: 1982-01-08
Abstract
No abstract record available.
Inventors
- 👤 Weimer Karl Richard Ulrich
- 👤 Vlaardingerbroek Marinu Teunis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:29
CPC Classifications
H; H01; H01J; H01J17/00; H01J17/02; H01J17/04; H01J25/00; H01J25/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
AN ELECTRON BEAM PLASMA AMPLIFIER COMPRISING AN ENVELOPE CONTAINING AN IONIZABLE GASEOUS MEDIUM, MEANS WITHIN SAID ENVELOPE FOR GENERATING AN ELECTRON BEAM, FIRST AND SECOND ELECTRODES DIRETLY IN THE PATH OF THE ELECTRON BEAM DEFINING A PLASMA DISCHARGE SPACE AND FOR GENERATING A PLASMA, COUPLING MEANS FOR INTRODUCING AN INPUT SIGNAL OF GIVEN FREQUENCY DIRECTLY INTO SAID PLASMA DISCHARGE SPACE, SAID PLASMA HAVING A PLASMA FREQUENCY WHICH IS AT LEAST EQUAL TO THE SIGNAL FREQUENCY, THE SIGNAL BEING AMPLIFIED BY INTERACTION BETWEEN THE ELECTRON BEAM AND THE PLASMA, AND OUTPUT COUPLING MEANS FOR EXTRACTING AN AMPLIFIED SIGNAL FROM SAID PLASMA DISCHARGE SPACE, SAID OUTPUT COUPLING MEANS BEING POSITIONED MORE REMOTE FROM SAID ELECTRON BEAM GENERATING MEAN THAN SAID INPUT COUPLING MEANS, AT LEAST ONE OF SAID COUPLING MEANS BEING A WAVE-GUIDE COUPLER AND BEING POSITIONED IN THE PLASMA DISCHARGE SPACE.
Claim 2
Dependent Claim
140 words
AN ELECTRON BEAM PLASMA AMPLIFIER COMPRISING AN ENVELOPE CONTAINING AN IONIZABLE GASEOUS MEDIUM, MEANS WITHIN SAID ENVELOPE FOR GENERATING AN ELECTRON BEAM, FIRST AND SECOND ELECTRODES DIRETLY IN THE PATH OF THE ELECTRON BEAM DEFINING A PLASMA DISCHARGE SPACE AND FOR GENERATING A PLASMA, COUPLING MEANS FOR INTRODUCING AN INPUT SIGNAL OF GIVEN FREQUENCY DIRECTLY INTO SAID PLASMA DISCHARGE SPACE, SAID PLASMA HAVING A PLASMA FREQUENCY WHICH IS AT LEAST EQUAL TO THE SIGNAL FREQUENCY, THE SIGNAL BEING AMPLIFIED BY INTERACTION BETWEEN THE ELECTRON BEAM AND THE PLASMA, AND OUTPUT COUPLING MEANS FOR EXTRACTING AN AMPLIFIED SIGNAL FROM SAID PLASMA DISCHARGE SPACE, SAID OUTPUT COUPLING MEANS BEING POSITIONED MORE REMOTE FROM SAID ELECTRON BEAM GENERATING MEAN THAN SAID INPUT COUPLING MEANS, AT LEAST ONE OF SAID COUPLING MEANS BEING A WAVE-GUIDE COUPLER AND BEING POSITIONED IN THE PLASMA DISCHARGE SPACE.
References Cited (Backward Citations)
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US2848649A
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US2817045A
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US2750455A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |