US3354346A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Traveling-wave tube having loss-filled, capacitively-coupled cavities coupled to the interaction cells of the slowwave structure
Assignee: Raytheon Co
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Filing: 1964-10-23
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Granted: 1967-11-21
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Expires: 1984-10-23
Abstract
No abstract record available.
Inventors
- 👤 Lavik Arne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:55
CPC Classifications
H; H01; H01J; H01J23/00; H01J23/16; H01J23/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
A TRAVELING-WAVE TUBE COMPRISING: MEANS FOR PROVIDING A STREAM OF ELECTRONS ALONG A PREDETERMINED PATH SLOW-WAVE STRUCTURE MEANS DEFINING A PLURALITY OF INTERCOUPLED INTERACTION CELLS DISPOSED SEQUENTIALLY ALONG AND ABOUT SAID PREDETERMINED PATH FOR PROPAGATING ELECTROMAGNETIC WAVE ENERGY IN SUCH MANNER THAT IT INTERACTS WITH SAID STREAM OF ELECTRONS, MEANS DEFINING A PLURALITY OF CAVITIES SEQUENTIALLY DISPOSED ALONG A DIRECTION PARALLEL TO SAID PREDETERMINED PATH, EACH OF SAID CAVITIES BEING ELECTROMAGNETICALLY COUPLED TO ONE OF SAID INTERACTION CELLS AND BEING RESONANT AT A PRESELECTED FREQUENCY, MEANS FOR PROVIDING CAPACITIVE COUPLING DIRECTLY BETWEEN ADJACENT ONES OF SAID CAVITIES, AND LOSS MEANS DISPOSED IN EACH OF SAID CAVITIES FOR ATTENUATING ELECTROMAGNETIC WAVE ENERGY AT THE RESONANT FREQUENCY OF THE CAVITY.
Claim 2
Dependent Claim
118 words
A TRAVELING-WAVE TUBE COMPRISING: MEANS FOR PROVIDING A STREAM OF ELECTRONS ALONG A PREDETERMINED PATH SLOW-WAVE STRUCTURE MEANS DEFINING A PLURALITY OF INTERCOUPLED INTERACTION CELLS DISPOSED SEQUENTIALLY ALONG AND ABOUT SAID PREDETERMINED PATH FOR PROPAGATING ELECTROMAGNETIC WAVE ENERGY IN SUCH MANNER THAT IT INTERACTS WITH SAID STREAM OF ELECTRONS, MEANS DEFINING A PLURALITY OF CAVITIES SEQUENTIALLY DISPOSED ALONG A DIRECTION PARALLEL TO SAID PREDETERMINED PATH, EACH OF SAID CAVITIES BEING ELECTROMAGNETICALLY COUPLED TO ONE OF SAID INTERACTION CELLS AND BEING RESONANT AT A PRESELECTED FREQUENCY, MEANS FOR PROVIDING CAPACITIVE COUPLING DIRECTLY BETWEEN ADJACENT ONES OF SAID CAVITIES, AND LOSS MEANS DISPOSED IN EACH OF SAID CAVITIES FOR ATTENUATING ELECTROMAGNETIC WAVE ENERGY AT THE RESONANT FREQUENCY OF THE CAVITY.
References Cited (Backward Citations)
US3221204A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-20 | 1971-05-22 | 1971-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-20 | 1975-05-22 | 1975-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-20 | 1979-05-22 | 1979-11-21 | $7700.00 | Window Closed / Lapsed |