US3193748A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pilot seat ejection control system
Assignee: Leesona Corp
•
Filing: 1961-06-28
•
Granted: 1965-07-06
•
Expires: 1981-06-28
Abstract
No abstract record available.
Inventors
- 👤 Jeremiah E Langan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:55
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/28; H03K17/288
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
AN ELECTRICAL VARIABLE TIME CONTROL SYSTEM COMPRISING AN ENERGY STORAGE CIRCUIT INCLUDING A STORAGE CAPACITOR, A DISCHARGE CIRCUIT HAVING A PREDETERMINED TIME CONSTANT, MEANS FOR DISCHARGING SAID CAPACITOR THROUGH SIAD DISCHARGE CIRCUIT, A PLURALITY OF INPUT SIGNALS AND MEANS FOR COMBINING SAID INPUT SIGNAL INTO A RESULTANT SIGNAL AND APPLYING SAID RESULTANT SIGNAL TO SAID DISCHARGE CIRCUIT WHILE ACTUATING SAID MEANS FOR DISCHARGING SAID CAPACITOR WHEREBY THE OPERATING TIME OF SAID SYSTEM IS DETERMINED BY THE TIME CONSTANT OF SAID DISCHARGE CIRCUIT AND SAID RESULTANT SIGNAL, WHEREIN SAID MEANS FOR COMBINING SAID PLURALITY OF INPUT SIGNALS COMPRISE A RECTIFIER AND A FIRST TRANSFORMER HAVING A PRIMARY AND SECONDARY WINDING, SAID STORAGE CAPACITOR BEING CONNECTED IN A SERIES CIRCUIT INCLUDING SAID SECONDARY WINDING AND SAID RECTIFIER, AND FURTHER INCLUDING A SECOND RECTIFIER AND A RESISTOR SERIALLY CONNECTED BETWEEN SAID SECONDARY WINDING AND ONE TERMINAL OF SAID FIRST MENTIONED RECTIFIER TO DEFINE A DECAY PATH FOR SAID CAPACITOR.
Claim 2
Dependent Claim
156 words
AN ELECTRICAL VARIABLE TIME CONTROL SYSTEM COMPRISING AN ENERGY STORAGE CIRCUIT INCLUDING A STORAGE CAPACITOR, A DISCHARGE CIRCUIT HAVING A PREDETERMINED TIME CONSTANT, MEANS FOR DISCHARGING SAID CAPACITOR THROUGH SIAD DISCHARGE CIRCUIT, A PLURALITY OF INPUT SIGNALS AND MEANS FOR COMBINING SAID INPUT SIGNAL INTO A RESULTANT SIGNAL AND APPLYING SAID RESULTANT SIGNAL TO SAID DISCHARGE CIRCUIT WHILE ACTUATING SAID MEANS FOR DISCHARGING SAID CAPACITOR WHEREBY THE OPERATING TIME OF SAID SYSTEM IS DETERMINED BY THE TIME CONSTANT OF SAID DISCHARGE CIRCUIT AND SAID RESULTANT SIGNAL, WHEREIN SAID MEANS FOR COMBINING SAID PLURALITY OF INPUT SIGNALS COMPRISE A RECTIFIER AND A FIRST TRANSFORMER HAVING A PRIMARY AND SECONDARY WINDING, SAID STORAGE CAPACITOR BEING CONNECTED IN A SERIES CIRCUIT INCLUDING SAID SECONDARY WINDING AND SAID RECTIFIER, AND FURTHER INCLUDING A SECOND RECTIFIER AND A RESISTOR SERIALLY CONNECTED BETWEEN SAID SECONDARY WINDING AND ONE TERMINAL OF SAID FIRST MENTIONED RECTIFIER TO DEFINE A DECAY PATH FOR SAID CAPACITOR.
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) | 1968-07-05 | 1969-01-04 | 1969-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-05 | 1973-01-04 | 1973-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-05 | 1977-01-04 | 1977-07-06 | $7700.00 | Window Closed / Lapsed |