Patent US3341733A successfully refreshed from Google Patents.
US3341733A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Traveling wave tube time delay device
Assignee: Thales SA
•
Filing: 1964-05-26
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Granted: 1967-09-12
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Expires: 1984-05-26
Abstract
No abstract record available.
Inventors
- 👤 Kantorowicz Gerard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:12
CPC Classifications
H; H01; H01J; H01J25/00; H01J25/34; H01J25/36; H01J25/38; H01J23/00; H01J23/16; H01J23/24; H01J25/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
AN ELECTRONIC DELAY LINE WHICH INCLUDES A VACUUM TUBE HAVING AN EVACUATED ENCLOSURE COMPRISING, WITHIN SAID ENCLOSURE: DELAYLESS WAVE GUIDE MEANS FORMING A DRIFT SPACE AND PROVIDED WITH INPUT AND OUTPUT MEANS, MEANS FOR ESTABLISHING CROSSED TRANSVERSE ELECTRIC AND MAGNETIC FIELDS WITHIN SAID WAVE GUIDE MEANS, MEANS FOR PRODUCING AN ELECTRON BEAM AND DIRECTING SAID BEAM THROUGH SAID INPUT MEANS INTO SAID WAVE GUIDE, COLLECTOR MEANS FOR SAID BEAM AFTER EMERGING FROM SAID OUTPUT MEANS, A GEOMETRICALLY PERIODIC DELAY LINE SECTION HAVING DISPERSIVE PHASE VELOCITY CHARACTERISTICS EXTENDING AT LEAST ALONG A PORTION OF THE PATH OF SAID BEAM PRECEDING SAID GUIDE INPUT MEANS, AND MEANS FOR ENERGIZING SAID DELAY LINE SECTION WITH A MICROWAVE SIGNAL, THE VELOCITY OF SAID BEAM BEING ADJUSTED SUBSTANTIALLY TO THE GROUP VELOCITY OF THE WAVE PROPAGATING IN SAID DELAY LINE SECTION.
Claim 2
Dependent Claim
136 words
AN ELECTRONIC DELAY LINE WHICH INCLUDES A VACUUM TUBE HAVING AN EVACUATED ENCLOSURE COMPRISING, WITHIN SAID ENCLOSURE: DELAYLESS WAVE GUIDE MEANS FORMING A DRIFT SPACE AND PROVIDED WITH INPUT AND OUTPUT MEANS, MEANS FOR ESTABLISHING CROSSED TRANSVERSE ELECTRIC AND MAGNETIC FIELDS WITHIN SAID WAVE GUIDE MEANS, MEANS FOR PRODUCING AN ELECTRON BEAM AND DIRECTING SAID BEAM THROUGH SAID INPUT MEANS INTO SAID WAVE GUIDE, COLLECTOR MEANS FOR SAID BEAM AFTER EMERGING FROM SAID OUTPUT MEANS, A GEOMETRICALLY PERIODIC DELAY LINE SECTION HAVING DISPERSIVE PHASE VELOCITY CHARACTERISTICS EXTENDING AT LEAST ALONG A PORTION OF THE PATH OF SAID BEAM PRECEDING SAID GUIDE INPUT MEANS, AND MEANS FOR ENERGIZING SAID DELAY LINE SECTION WITH A MICROWAVE SIGNAL, THE VELOCITY OF SAID BEAM BEING ADJUSTED SUBSTANTIALLY TO THE GROUP VELOCITY OF THE WAVE PROPAGATING IN SAID DELAY LINE SECTION.
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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) | 1970-09-11 | 1971-03-13 | 1971-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-11 | 1975-03-13 | 1975-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-11 | 1979-03-13 | 1979-09-12 | $7700.00 | Window Closed / Lapsed |