US3125728A
Expired / Lapsed
US
⏱️ 0.0 years remaining
L fasulo
Assignee: —
•
Filing: —
•
Granted: 1964-03-17
•
Expires: 1981-03-17
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:45
CPC Classifications
H; H03; H03J; H03J7/00; H03J7/02; H03J7/04; H03B; H03B5/00; H03B5/18; H03B5/1817; H03B5/1835; H03L; H03L7/00; H03L7/02; H03L7/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
212 words
AN ELECTRICAL CIRCUIT FOR CONTROLLING THE FREQUENCY OF OSCILLATION OF A KLYSTRON TUBE COMPRISING: A SOURCE OF HIGH POTENTIAL DIRECT CURRENT VOLTAGE HAVING A POSITIVE AND A NEGATIVE TERMINAL MEANS; A REFLEX KLYSTRON OSCILLATOR TUBE HAVING A REFLECTOR ELECTRODE TERMINAL COUPLED TO SAID NEGATIVE TERMINAL MEANS OF SAID SOURCE OF DIRECT CURRENT VOLTAGE, AND HAVING A RESONANT CAVITY COUPLED TO GROUND POTENTIAL; A PENTODE ELECTRON TUBE HAVING AN ANODE, A CATHODE, AND A CONTROL GRID, SAID ANODE BEING COUPLED TO SAID POSITIVE TERMINAL MEANS OF SAID SOURCE OF DIRECT CURRENT VOLTAGE AND SAID CATHODE BEING COUPLED TO GROUND POTENTIAL; A FREQUENCY SENSING AND DISCRIMINATING MEANS HAVING AN INPUT AND AN OUTPUT TERMINAL MEANS, SAID INPUT TERMINAL MEANS THEREOF BEING COUPLED TO SAID OSCILLATOR TUBE FOR CONSTANTLY RECEIVING ENERGY SAMPLES THEREFROM; AND AN ELECTRONIC CONTROL MEANS HAVING AN INPUT TERMINAL COUPLED TO SAID OUTPUT TERMINAL MEANS OF SAID FREQUENCY SENSING AND DISCRIMINATING MEANS FOR RECEIVING A VOLTAGE PROPORTIONAL TO THE FREQUENCY DEVIATION OF SAID OSCILLATOR TUBE, AND HAVING AN OUTPUT MEANS COUPLED TO SAID CONTROL GRID OF SAID PENTODE ELECTRON TUBE FOR PROVIDING A CONTROL VOLTAGE THERETO FOR VARYING THE POTENTIAL APPLIED TO SAID REFLECTOR ELECTRODE IN SUCH A MANNER AS TO CAUSE THE FREQUENCY GENERATED BY SAID KLYSTRON TUBE TO REMAIN CONSTANT.
Claim 2
Dependent Claim
212 words
AN ELECTRICAL CIRCUIT FOR CONTROLLING THE FREQUENCY OF OSCILLATION OF A KLYSTRON TUBE COMPRISING: A SOURCE OF HIGH POTENTIAL DIRECT CURRENT VOLTAGE HAVING A POSITIVE AND A NEGATIVE TERMINAL MEANS; A REFLEX KLYSTRON OSCILLATOR TUBE HAVING A REFLECTOR ELECTRODE TERMINAL COUPLED TO SAID NEGATIVE TERMINAL MEANS OF SAID SOURCE OF DIRECT CURRENT VOLTAGE, AND HAVING A RESONANT CAVITY COUPLED TO GROUND POTENTIAL; A PENTODE ELECTRON TUBE HAVING AN ANODE, A CATHODE, AND A CONTROL GRID, SAID ANODE BEING COUPLED TO SAID POSITIVE TERMINAL MEANS OF SAID SOURCE OF DIRECT CURRENT VOLTAGE AND SAID CATHODE BEING COUPLED TO GROUND POTENTIAL; A FREQUENCY SENSING AND DISCRIMINATING MEANS HAVING AN INPUT AND AN OUTPUT TERMINAL MEANS, SAID INPUT TERMINAL MEANS THEREOF BEING COUPLED TO SAID OSCILLATOR TUBE FOR CONSTANTLY RECEIVING ENERGY SAMPLES THEREFROM; AND AN ELECTRONIC CONTROL MEANS HAVING AN INPUT TERMINAL COUPLED TO SAID OUTPUT TERMINAL MEANS OF SAID FREQUENCY SENSING AND DISCRIMINATING MEANS FOR RECEIVING A VOLTAGE PROPORTIONAL TO THE FREQUENCY DEVIATION OF SAID OSCILLATOR TUBE, AND HAVING AN OUTPUT MEANS COUPLED TO SAID CONTROL GRID OF SAID PENTODE ELECTRON TUBE FOR PROVIDING A CONTROL VOLTAGE THERETO FOR VARYING THE POTENTIAL APPLIED TO SAID REFLECTOR ELECTRODE IN SUCH A MANNER AS TO CAUSE THE FREQUENCY GENERATED BY SAID KLYSTRON TUBE TO REMAIN CONSTANT.
References Cited (Backward Citations)
US2759100A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-17 | 1967-09-16 | 1968-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-17 | 1971-09-16 | 1972-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-17 | 1975-09-16 | 1976-03-17 | $7700.00 | Window Closed / Lapsed |