US3296484A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Low magnetic field cyclotron wave couplers
Assignee: SFD LAB Inc
•
Filing: 1961-08-02
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Granted: 1967-01-03
•
Expires: 1981-08-02
Abstract
No abstract record available.
Inventors
- 👤 Feinstein Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:34
CPC Classifications
H; H01; H01J; H01J25/00; H01J25/34; H01J25/49
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
IN AN ELECTRON DISCHARGE DEVICE IN WHICH AN ELECTRON BEAM IS MODULATED WITH A TRANSVERSE BEAM WAVE AT A SIGNAL FREQUENCY AND PROJECTED ALONG A PREDETERMINED PATH, MEANS FOR PRODUCING A MAGNETIC FIELD B DIRECTED ALONG THE BEAM PATH, A BEAM COUPLER FOR TRANSFERRING SIGNAL WAVE ENERGY BETWEEN THE BEAM AND A CIRCUIT OVER A BAND OF FREQUENCIES CENTERED ABOUT A GIVEN SIGNAL FREQUENCY, SAID BEAM COUPLER INCLUDING A PAIR OF MUTUALLY OPPOSED CONDUCTIVE MEMBER PORTIONS TRANSVERSELY DISPOSED OF THE BEAM PATH WITH THE BEAM PATH PASSABLE THEREBETWEEN, MEANS FOR EXCITING SAID MUTUALLY OPPOSED CONDUCTIVE MEMBER PORTIONS WITH AN ALTERNATING VOLTAGE AT THE SIGNAL FREQUENCY TO PRODUCE AN ALTERNATING ELECTRIC FIELD TRANSVERSE TO THE BEAM PATH FOR TRANSFERRING SIGNAL WAVE ENERGY BETWEEN THE BEAM AND SAID MUTUALLY OPPOSED CONDUCTIVE MEMBER PORTIONS, AND ONE OF SAID MUTUALLY OPPOSED CONDUCTIVE MEMBER PORTIONS HAVING A FULL EXTENT COEXTENSIVE WITH SAID BEAM APTH WHICH IS LESS THAN
Claim 2
Dependent Claim
153 words
IN AN ELECTRON DISCHARGE DEVICE IN WHICH AN ELECTRON BEAM IS MODULATED WITH A TRANSVERSE BEAM WAVE AT A SIGNAL FREQUENCY AND PROJECTED ALONG A PREDETERMINED PATH, MEANS FOR PRODUCING A MAGNETIC FIELD B DIRECTED ALONG THE BEAM PATH, A BEAM COUPLER FOR TRANSFERRING SIGNAL WAVE ENERGY BETWEEN THE BEAM AND A CIRCUIT OVER A BAND OF FREQUENCIES CENTERED ABOUT A GIVEN SIGNAL FREQUENCY, SAID BEAM COUPLER INCLUDING A PAIR OF MUTUALLY OPPOSED CONDUCTIVE MEMBER PORTIONS TRANSVERSELY DISPOSED OF THE BEAM PATH WITH THE BEAM PATH PASSABLE THEREBETWEEN, MEANS FOR EXCITING SAID MUTUALLY OPPOSED CONDUCTIVE MEMBER PORTIONS WITH AN ALTERNATING VOLTAGE AT THE SIGNAL FREQUENCY TO PRODUCE AN ALTERNATING ELECTRIC FIELD TRANSVERSE TO THE BEAM PATH FOR TRANSFERRING SIGNAL WAVE ENERGY BETWEEN THE BEAM AND SAID MUTUALLY OPPOSED CONDUCTIVE MEMBER PORTIONS, AND ONE OF SAID MUTUALLY OPPOSED CONDUCTIVE MEMBER PORTIONS HAVING A FULL EXTENT COEXTENSIVE WITH SAID BEAM APTH WHICH IS LESS THAN
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |