US3150331A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Traveling wave tube phase compensation circuit
Assignee: Individual
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Filing: 1962-10-15
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Granted: 1964-09-22
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Expires: 1982-10-15
Abstract
No abstract record available.
Inventors
- 👤 Sheldon I Rambo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:38
CPC Classifications
H; H01; H01J; H01J25/00; H01J25/34; H01J25/36; H01J25/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
A TRAVELING-WAVE TUBE COMPENSATING CIRCUIT COMPRISING: A TRAVELING-WAVE TUBE HAVING A CATHODE AND A COLLECTOR WITH A VOLTAGE SUPPLY COUPLED THERETO, A GRID WITH A BIAS THEREON TO NORMALLY CUT OFF TUBE CONDUCTION, AND A HELIX THEREIN FOR CONDUCTING RADIO FREQUENCY SIGNALS FROM AN INPUT TO AN OUTPUT THEREOF; AND A GRID MODULATOR COUPLED TO THE GRID OF SAID TRAVELINGWAVE TUBE THROUGH AN ADJUSTABLE NETWORK TO APPLY SUBSTANTIALLY SQUARE MODULATING WAVES WITH DROOPED LOBE PORTIONS THEREOF TO SAID GRID, THE DROOP OF SAID LOBE PORTIONS BEING UNDER THE CONTROL OF SAID ADJUSTABLE NETWORK TO COMPENSATE FOR CATHODE VOLTAGE DROOP TENDING TO CHANGE THE PHASE OF SAID RADIO FREQUENCY SIGNALS.
Claim 2
Dependent Claim
109 words
A TRAVELING-WAVE TUBE COMPENSATING CIRCUIT COMPRISING: A TRAVELING-WAVE TUBE HAVING A CATHODE AND A COLLECTOR WITH A VOLTAGE SUPPLY COUPLED THERETO, A GRID WITH A BIAS THEREON TO NORMALLY CUT OFF TUBE CONDUCTION, AND A HELIX THEREIN FOR CONDUCTING RADIO FREQUENCY SIGNALS FROM AN INPUT TO AN OUTPUT THEREOF; AND A GRID MODULATOR COUPLED TO THE GRID OF SAID TRAVELINGWAVE TUBE THROUGH AN ADJUSTABLE NETWORK TO APPLY SUBSTANTIALLY SQUARE MODULATING WAVES WITH DROOPED LOBE PORTIONS THEREOF TO SAID GRID, THE DROOP OF SAID LOBE PORTIONS BEING UNDER THE CONTROL OF SAID ADJUSTABLE NETWORK TO COMPENSATE FOR CATHODE VOLTAGE DROOP TENDING TO CHANGE THE PHASE OF SAID RADIO FREQUENCY SIGNALS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-22 | 1968-03-23 | 1968-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-22 | 1972-03-23 | 1972-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-22 | 1976-03-23 | 1976-09-22 | $7700.00 | Window Closed / Lapsed |