US3227959A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crossed fields electron beam parametric amplifier
Assignee: AT&T Inc
•
Filing: 1960-05-13
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Granted: 1966-01-04
•
Expires: 1980-05-13
Abstract
No abstract record available.
Inventors
- 👤 Kluver Johan Wilhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:13
CPC Classifications
H; H01; H01J; H01J25/00; H01J25/34; H01J25/49
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
AN ELECTRON DISCHARGE DEVICE COMPRISING MEANS FOR FORMING AND PROJECTING A BEAM OF ELECTRONS ALONG A PATH, MEANS FOR FOCUSING SAID BEAM COMPRISING MEANS FOR PRODUCING MUTUALLY PERPENDICULAR ELECTRIC AND MAGNETIC FIELDS ALONG SAID PATH, SAID FIELDS BEING TRANSVERSE TO THE DIRECTION OF FLOW OF SAID ELECTRON BEAM, MEANS FOR CAUSING SIGNAL ENERGY PROPAGATE ALONG SAID BEAM AS A FAST CYCLOTRON WAVE, MEANS FOR PROPAGATING AN ELECTROMAGNETIC WAVE WITH ITS ELECTRIC FIELD TRANSVERSE TO SAID PATH AND A COUPLING RELATIONSHIP TO THE CYCLOTRON MODE OF SAID BEAM AND IN SYNCHRONISM WITH SAID FAST CYCLOTRON SIGNAL WAVE, AND MEANS FOR EXTRACTING SAID SIGNAL ENERGY FROM SAID BEAM, THE FREQUENCIES OF THE SIGNAL ENERGY AND SAID ELECTROMAGNETIC WAVE BEING SO RELATED AS TO PRODUCE PARAMETRIC AMPLIFICATION.
Claim 2
Dependent Claim
124 words
AN ELECTRON DISCHARGE DEVICE COMPRISING MEANS FOR FORMING AND PROJECTING A BEAM OF ELECTRONS ALONG A PATH, MEANS FOR FOCUSING SAID BEAM COMPRISING MEANS FOR PRODUCING MUTUALLY PERPENDICULAR ELECTRIC AND MAGNETIC FIELDS ALONG SAID PATH, SAID FIELDS BEING TRANSVERSE TO THE DIRECTION OF FLOW OF SAID ELECTRON BEAM, MEANS FOR CAUSING SIGNAL ENERGY PROPAGATE ALONG SAID BEAM AS A FAST CYCLOTRON WAVE, MEANS FOR PROPAGATING AN ELECTROMAGNETIC WAVE WITH ITS ELECTRIC FIELD TRANSVERSE TO SAID PATH AND A COUPLING RELATIONSHIP TO THE CYCLOTRON MODE OF SAID BEAM AND IN SYNCHRONISM WITH SAID FAST CYCLOTRON SIGNAL WAVE, AND MEANS FOR EXTRACTING SAID SIGNAL ENERGY FROM SAID BEAM, THE FREQUENCIES OF THE SIGNAL ENERGY AND SAID ELECTROMAGNETIC WAVE BEING SO RELATED AS TO PRODUCE PARAMETRIC AMPLIFICATION.
References Cited (Backward Citations)
US2880355A
Cited
US2890372A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-03 | 1969-07-05 | 1970-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-03 | 1973-07-05 | 1974-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-03 | 1977-07-05 | 1978-01-04 | $7700.00 | Window Closed / Lapsed |