US3214697A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thyratron pulse generator employing plural thyratrons having graded impedances for generating constant amplitude output pulses
Assignee: Northrop Grumman Space and Mission Systems Corp
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Filing: 1963-04-19
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Granted: 1965-10-26
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Expires: 1983-04-19
Abstract
No abstract record available.
Inventors
- 👤 George L Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:24
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/53; H03K3/55; G; G03; G03B; G03B39/00; G03B39/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
172 words
A CONTROL CIRCUIT INCLUDING A PAIR OF THYRATRON PULSE GENERATOR TUBES FOR PROVIDING A PAIR OF RECTANGULAR PULSES WITH A TIME DURATION BETWEEN THE TERMINATION OF THE FIRST OF THE PULSES AND THE INITATING OF THE SECOND BEING LESS THAN THE TIME NECESSARY FOR DE-IONIZING OF THE FIRST OF THE PAIR OF THYRATRONS, COMPRISING; A CATHODE LOAD RESISTANCE CIRCUIT, ELECTRIC CIRCUIT CONNECTIONS OF DIFFERENT IMPEDANCE VALUES BETWEEN THE CATHODE LOAD RESISTANCE CIRCUIT AND THE CATHODE OF EACH OF THE PAIR RESPECTIVELY WHEREBY CURRENT FLOW IN EITHER OF THE PAIR WILL CAUSE A VOLTAGE ACROSS THE CATHODE RESISTANCE CIRCUIT; A DELAY LINE CONNECTED IN THE PLATE CIRCUIT OF EACH OF THE PAIR TO BE DISCHARGED DURING CONDUCTANCE THERETHROUGH, THE LENGTH OF EACH DELAY LINE BEING CHOSEN TO PROVIDE A DESIRED PULSE DURATION, THE VALUE OF THE CATHODE RESISTANCE CIRCUIT BEING OF A MAGNITUDE ENHANCING DISCHARGE OF EACH DELAY LINE WITH SUBSTANTIALLY NO OSCILLATIONS WHEREBY PULSES THEREACROSS WILL EACH BE RECTANGULAR WITH A SUBSTANTIALLY CONSTANT MAGNITUDE; THE IMPEDANCE OF THE ELECTRIC CIRCUIT CONNECTION BE-
Claim 2
Dependent Claim
172 words
A CONTROL CIRCUIT INCLUDING A PAIR OF THYRATRON PULSE GENERATOR TUBES FOR PROVIDING A PAIR OF RECTANGULAR PULSES WITH A TIME DURATION BETWEEN THE TERMINATION OF THE FIRST OF THE PULSES AND THE INITATING OF THE SECOND BEING LESS THAN THE TIME NECESSARY FOR DE-IONIZING OF THE FIRST OF THE PAIR OF THYRATRONS, COMPRISING; A CATHODE LOAD RESISTANCE CIRCUIT, ELECTRIC CIRCUIT CONNECTIONS OF DIFFERENT IMPEDANCE VALUES BETWEEN THE CATHODE LOAD RESISTANCE CIRCUIT AND THE CATHODE OF EACH OF THE PAIR RESPECTIVELY WHEREBY CURRENT FLOW IN EITHER OF THE PAIR WILL CAUSE A VOLTAGE ACROSS THE CATHODE RESISTANCE CIRCUIT; A DELAY LINE CONNECTED IN THE PLATE CIRCUIT OF EACH OF THE PAIR TO BE DISCHARGED DURING CONDUCTANCE THERETHROUGH, THE LENGTH OF EACH DELAY LINE BEING CHOSEN TO PROVIDE A DESIRED PULSE DURATION, THE VALUE OF THE CATHODE RESISTANCE CIRCUIT BEING OF A MAGNITUDE ENHANCING DISCHARGE OF EACH DELAY LINE WITH SUBSTANTIALLY NO OSCILLATIONS WHEREBY PULSES THEREACROSS WILL EACH BE RECTANGULAR WITH A SUBSTANTIALLY CONSTANT MAGNITUDE; THE IMPEDANCE OF THE ELECTRIC CIRCUIT CONNECTION BE-
References Cited (Backward Citations)
US2655595A
Cited
US2646503A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-25 | 1969-04-26 | 1969-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-25 | 1973-04-26 | 1973-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-25 | 1977-04-26 | 1977-10-26 | $7700.00 | Window Closed / Lapsed |