US3209272A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wide band traveling wave tube amplifier apparatus
Assignee: Individual
•
Filing: 1961-03-13
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Granted: 1965-09-28
•
Expires: 1981-03-13
Abstract
No abstract record available.
Inventors
- 👤 John T Mendel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:47
CPC Classifications
H; H01; H01J; H01J25/00; H01J25/34; H01J25/36; H01J25/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
164 words
AN AMPLIFIER OF SIGNALS OCCUPYING A FREQUENCY BANDWIDTH OF THE ORDER OF 1000 MEGACYCLES COMPRISING A TRAVELING WAVE TUBE INCLUDING AN ELECTRON GUN COMPRISING A CATHODE, A GRID, AND AN APERTURED ANODE, A WAVE-DELAYING WAVE GUIDE POSITIONED TO RECEIVE AXIALLY A BEAM OF ELECTRONS FROM SAID ELECTRON GUN AND A COLLERCTOR FOR RECEIVING SAID BEAM; MEANS FOR COUPLING A SOURCE OF SIGNALS TO BE AMPLIFIED TO SAID CATHODE AND GRID TO DENSITYMODULATE SAID BEAM, AN OSCILLATOR ADAPTED TO GENERATE ELECTRIC WAVES OF A FREQUENCY SEVERAL TIMES AS HIGH AS THE HIGHEST SIGNAL TO BE AMPLIFIED; MEANS FOR COUPLING SAID OSCILLATOR TO SAID WAVE GUIDE TO PRODUCE TRAVELING WAVES THEREIN, AN OUTPUT CIRCUIT COUPLED TO SAID TRAVELING WAVE TUBE, A SECOND TRAVELING WAVE TUBE COMPRISING AN ELECTRON GUN. A WAVE-DELAYED WAVE GUIDE AND A COLLECTOR, COUPLING MEANS BETWEEN SAID OUTPUT CIRCUIT AND SAID LAST MENTIONED WAVE GUIDE, AN OUTPUT CIRCUIT COUPLED TO SAID SECOND TRAVELING WAVE TUBE AND DEMODUALTING MEANS CONNECTED IN SAID OUTPUT CIRCUIT.
Claim 2
Dependent Claim
164 words
AN AMPLIFIER OF SIGNALS OCCUPYING A FREQUENCY BANDWIDTH OF THE ORDER OF 1000 MEGACYCLES COMPRISING A TRAVELING WAVE TUBE INCLUDING AN ELECTRON GUN COMPRISING A CATHODE, A GRID, AND AN APERTURED ANODE, A WAVE-DELAYING WAVE GUIDE POSITIONED TO RECEIVE AXIALLY A BEAM OF ELECTRONS FROM SAID ELECTRON GUN AND A COLLERCTOR FOR RECEIVING SAID BEAM; MEANS FOR COUPLING A SOURCE OF SIGNALS TO BE AMPLIFIED TO SAID CATHODE AND GRID TO DENSITYMODULATE SAID BEAM, AN OSCILLATOR ADAPTED TO GENERATE ELECTRIC WAVES OF A FREQUENCY SEVERAL TIMES AS HIGH AS THE HIGHEST SIGNAL TO BE AMPLIFIED; MEANS FOR COUPLING SAID OSCILLATOR TO SAID WAVE GUIDE TO PRODUCE TRAVELING WAVES THEREIN, AN OUTPUT CIRCUIT COUPLED TO SAID TRAVELING WAVE TUBE, A SECOND TRAVELING WAVE TUBE COMPRISING AN ELECTRON GUN. A WAVE-DELAYED WAVE GUIDE AND A COLLECTOR, COUPLING MEANS BETWEEN SAID OUTPUT CIRCUIT AND SAID LAST MENTIONED WAVE GUIDE, AN OUTPUT CIRCUIT COUPLED TO SAID SECOND TRAVELING WAVE TUBE AND DEMODUALTING MEANS CONNECTED IN SAID OUTPUT CIRCUIT.
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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) | 1968-09-27 | 1969-03-29 | 1969-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-27 | 1973-03-29 | 1973-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-27 | 1977-03-29 | 1977-09-28 | $7700.00 | Window Closed / Lapsed |