US3076115A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Traveling wave magnetron amplifier tubes
Assignee: RCA Corp
•
Filing: 1956-07-05
•
Granted: 1963-01-29
•
Expires: 1976-07-05
Abstract
No abstract record available.
Inventors
- 👤 Philip T Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:21
CPC Classifications
H; H01; H01J; H01J25/00; H01J25/34; H01J25/42; H01J25/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
A TRAVELING WAVE TUBE COMPRISING AN ELONGATED HOLLOW CYLINDRICAL ANGULARLY-PERIODIC SIGNAL WAVE PROPAGATING STRUCTURE COMPRISING MEANS FOR PROPAGATING WAVES THEREON ALONG AXIAL AND CIRCUMFERENTIAL PATH WITH PREDETERMINED AXIAL AND CIRCUMFERENTIAL PHASE VELOCITIES, TO ESTABLISH A LARGE NUMBER OF SPACE HARMONICS HAVING PHASE VELOCITIES ALONG SAID STRUCTURE IN SPIRAL PATHS AT VARIOUS ACUTE ANGLES TO SAID PATHS; AND MEANS FOR PROJECTING A BEAM OF ELECTRONS WITHIN SAID STRUCTURE IN WAVE INTERACTION RELATION THEREWITH AND ALONG SPIRAL ELECTRON PATHS AT THE SAME ANGLE AS A SELECTED ONE OF SAID SPACE HARMONICS AND WITH AN ELECTRON VELOCITY SUBSTANTIALLY EQUAL TO THE PHASE VELOCITY OF SAID SELECTED SPACE HARMONIC, WHEREBY AT SUBSTANTIALLY ALL POINTS IN ITS PATH EACH ELECTRON OF SAID BEAM IS SUBJECTED TO A SUBSTANTIALLY CONSTANT PHASE ELECTRIC FIELD PRODUCED BY SAID SELECTED SPIRAL SPACE HARMONIC.
Claim 2
Dependent Claim
134 words
A TRAVELING WAVE TUBE COMPRISING AN ELONGATED HOLLOW CYLINDRICAL ANGULARLY-PERIODIC SIGNAL WAVE PROPAGATING STRUCTURE COMPRISING MEANS FOR PROPAGATING WAVES THEREON ALONG AXIAL AND CIRCUMFERENTIAL PATH WITH PREDETERMINED AXIAL AND CIRCUMFERENTIAL PHASE VELOCITIES, TO ESTABLISH A LARGE NUMBER OF SPACE HARMONICS HAVING PHASE VELOCITIES ALONG SAID STRUCTURE IN SPIRAL PATHS AT VARIOUS ACUTE ANGLES TO SAID PATHS; AND MEANS FOR PROJECTING A BEAM OF ELECTRONS WITHIN SAID STRUCTURE IN WAVE INTERACTION RELATION THEREWITH AND ALONG SPIRAL ELECTRON PATHS AT THE SAME ANGLE AS A SELECTED ONE OF SAID SPACE HARMONICS AND WITH AN ELECTRON VELOCITY SUBSTANTIALLY EQUAL TO THE PHASE VELOCITY OF SAID SELECTED SPACE HARMONIC, WHEREBY AT SUBSTANTIALLY ALL POINTS IN ITS PATH EACH ELECTRON OF SAID BEAM IS SUBJECTED TO A SUBSTANTIALLY CONSTANT PHASE ELECTRIC FIELD PRODUCED BY SAID SELECTED SPIRAL SPACE HARMONIC.
References Cited (Backward Citations)
US2424965A
Cited
US2542797A
Cited
US2623129A
Cited
US2694159A
Cited
GB691900A
Cited
US2760111A
Cited
US2752523A
Cited
US2774005A
Cited
US2812467A
Cited
US2888598A
Cited
US2858472A
Cited
US2849643A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-28 | 1966-07-30 | 1967-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-28 | 1970-07-30 | 1971-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-28 | 1974-07-30 | 1975-01-29 | $7700.00 | Window Closed / Lapsed |