US3206635A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electron stream focusing
Assignee: General Electric Co
•
Filing: 1961-04-27
•
Granted: 1965-09-14
•
Expires: 1981-04-27
Abstract
No abstract record available.
Inventors
- 👤 Robert M Phillips
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:46
CPC Classifications
H; H01; H01J; H01J23/00; H01J23/02; H01J23/08; H01J23/087; H01J23/0873
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
A DEVICE FOR EFFECTING ENERGY INTERCHANGE BETWEEN HIGH FREQUENCY ELECTROMAGNETIC WAVES AND AN ELECTRON STREAM COMPRISING: AN ELONGATED CIRCULARLY APERTURED MAGNETOMOTIVE FORCE GENERATING MEMBER FORMING A SUCCESSION OF AXIAL AND RADIAL MAGNETIC FIELDS ALTERNATING ALONG THE LENGTH OF THE CIRCULAR APERTURE THEREOF; A CONTINUOUS CYLINDRICALLY ROD OF HIGH MAGNETIC PERMEABILITY CONCENTRICALLY DISPOSED WITHIN THE CIRCULAR APERTURE OF SAID MEMBER; MEANS INCLUDING ELECTRON GUN AND COLLECTOR MEANS FOR PROJECTING AN ELECTRON STREAM BETWEEN THE INNER SURFACE OF SAID MEMBER AND THE OUTER SURFACE OF SAID ROD; AND MEANS FOR COUPLING ELECTROMAGNETIC ENERGY INTO SAID DEVICE INCLUDING MEANS FOR LAUNCHING AN ELECTROMAGNETIC WAVE TO TRAVEL ALONG THE LENGTH OF SAID DEVICE BETWEEN THE INNER SURFACE OF SAID MEMBER AND THE OUTER SURFACE OF SAID ROD, SAID WAVE HAVING AN ELECTRIC FIELD COMPONENT ORIENTED TRANSVERSELY TOTHE LONGITUDINAL DIMENSION OF THE DEVICE.
Claim 2
Independent Claim
138 words
A DEVICE FOR EFFECTING ENERGY INTERCHANGE BETWEEN HIGH FREQUENCY ELECTROMAGNETIC WAVES AND AN ELECTRON STREAM COMPRISING: AN ELONGATED CIRCULARLY APERTURED MAGNETOMOTIVE FORCE GENERATING MEMBER FORMING A SUCCESSION OF AXIAL AND RADIAL MAGNETIC FIELDS ALTERNATING ALONG THE LENGTH OF THE CIRCULAR APERTURE THEREOF; A CONTINUOUS CYLINDRICALLY ROD OF HIGH MAGNETIC PERMEABILITY CONCENTRICALLY DISPOSED WITHIN THE CIRCULAR APERTURE OF SAID MEMBER; MEANS INCLUDING ELECTRON GUN AND COLLECTOR MEANS FOR PROJECTING AN ELECTRON STREAM BETWEEN THE INNER SURFACE OF SAID MEMBER AND THE OUTER SURFACE OF SAID ROD; AND MEANS FOR COUPLING ELECTROMAGNETIC ENERGY INTO SAID DEVICE INCLUDING MEANS FOR LAUNCHING AN ELECTROMAGNETIC WAVE TO TRAVEL ALONG THE LENGTH OF SAID DEVICE BETWEEN THE INNER SURFACE OF SAID MEMBER AND THE OUTER SURFACE OF SAID ROD, SAID WAVE HAVING AN ELECTRIC FIELD COMPONENT ORIENTED TRANSVERSELY TOTHE LONGITUDINAL DIMENSION OF THE DEVICE.
References Cited (Backward Citations)
US2847607A
Cited
US2855537A
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US2811663A
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US3013173A
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US3072817A
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US2999959A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-13 | 1969-03-15 | 1969-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-13 | 1973-03-15 | 1973-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-13 | 1977-03-15 | 1977-09-14 | $7700.00 | Window Closed / Lapsed |