US3270244A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Micro-wave amplifier utilizing the interaction between an electron beam and a plasma stream
Assignee: NEC Corp
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Filing: 1964-01-23
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Granted: 1966-08-30
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Expires: 1984-01-23
Abstract
No abstract record available.
Inventors
- 👤 Ayaki Kazuo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:30
CPC Classifications
H; H01; H01J; H01J25/00; H01J25/005
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
127 words
MICRO-WAVE AMPLIFYING MEANS COMPRISING AIR-TIGHT HOUSING MEANS; ELECTRON GUN MEANS MOUNTED INTERIOR OF SAID HOUSING MEANS NEAR ONE END THEREOF FOR GENERATING AN ELECTRON BEAM DIRECTED TOWARD THE OPPOSITE END OF SAID HOUSING MEANS; FIRST MEANS LOCATED ADJACENT SAID ELECTRON GUN MEANS FOR TRANSVERSELY MODULATING SAID ELECTRON BEAM; SECOND MEANS FOR GENERATING PLASMA LOCATED INTERMEDIATE SAID FIRST MEANS AND SAID HOUSING MEANS OPPOSITE END; THIRD MEANS FOR GENERATING A MAGNETIC FIELD IN THE SAME DIRECTION AS SAID ELECTRON BEAM WHEREBY SAID ELECTRON BEAM AND SAID PLASMA INTERACT WITH EACH OTHER IN SAID MAGNETIC FIELD CAUSING HIGH FREQUENCY COMPONENTS OF SAID MODULATED ELECTRON BEAM TO BECOME AMPLIFIED; FOURTH MEANS LOCATED NEAR SAID HOUSING MEANS SECOND END AND SUBSTANTIALLY SURROUNDING SAID ELECTRON BEAM FOR TRANSVERSELY DEMODULATING SAID MODULATED ELEC-
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) | 1969-08-29 | 1970-02-28 | 1970-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-29 | 1974-02-28 | 1974-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-29 | 1978-02-28 | 1978-08-30 | $7700.00 | Window Closed / Lapsed |