US3149270A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-adapting servo parameter control means
Assignee: North American Aviation Corp
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Filing: 1960-11-21
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Granted: 1964-09-15
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Expires: 1980-11-21
Abstract
No abstract record available.
Inventors
- 👤 Richard K Smyth
- 👤 Ronald A Gurnsey
- 👤 Iii John F Frost
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:02
CPC Classifications
G; G05; G05B; G05B13/00; G05B13/02; G05B13/0205; G05B13/021; G05B13/022; G05B13/0225; G05D; G05D1/00; G05D1/08; G05D1/0808; G05D1/0816; G05D1/0825
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
216 words
IN COMBINATION: A SERVO SYSTEM, INCLUDING MEANS FOR ADJUSTING AT LEAST ONE OF THE CHARACTERISTICS OF THE GAIN, THE TIME CONSTANT AND THE PHASE OF SAID SERVO SYSTEM; MEASURING MEANS CONNECTED TO MEASURE THE RESPONSE OF SAID SERVO SYSTEM AND TO GENERATE A SIGNAL WHICH IS A MEASURE OF THE MAGNITUDE OF SAID RESPONSE; INTEGRATING MEANS CONNECTED TO SAID MEASURING MEANS TO GENERATE A SIGNAL WHICH IS A MEASURE OF THE INTEGRAL OF THE MAGNITUDE OF THE SIGNAL GENERATED BY SAID MEASURING MEANS; MEANS FOR GENERATING A SIGNAL TO BE COMPARED WITH THE AMPLITUDE OF THE SIGNAL OF SAID INTERGRATING MEANS; MEANS FOR COMPARING SIGNAL AMPLITUDES CONNECTED TO SAID LAST NAMED MEANS FOR GENERATING A SIGNAL AND TO SAID INTEGRATING MEANS TO COMPARE THE AMPLITUDES OF THE SIGNALS THEREOF TO GENERATE A CONTROL SIGNAL WHOSE SENSE DEPENDS UPON WHICH ONE OF SAID COMPARED SIGNALS IS LARGER; TIMING MEANS ADAPTED TO GENERATE TIMING SIGNALS AND CONNECTED TO CONTROL THE TIME DURATION OF INTEGRATION BY SAID INTEGRATING MEANS AND FOR RESETTING SAID INTEGRATING MEANS; AND CONTROL MEANS CONNECTED TO THE OUTPUT OF SAID MEANS FOR COMPARING SIGNAL AMPLITUDES TO BE CONTROLLED THEREBY IN RESPONSE TO SAID CONTROL SIGNAL; SAID CONTROL MEANS BEING CONNECTED TO SAID MEANS FOR ADJUSTING AT LEAST ONE OF THE CHARACTERISTICS OF SAID SERVO SYSTEMS.
Claim 2
Dependent Claim
216 words
IN COMBINATION: A SERVO SYSTEM, INCLUDING MEANS FOR ADJUSTING AT LEAST ONE OF THE CHARACTERISTICS OF THE GAIN, THE TIME CONSTANT AND THE PHASE OF SAID SERVO SYSTEM; MEASURING MEANS CONNECTED TO MEASURE THE RESPONSE OF SAID SERVO SYSTEM AND TO GENERATE A SIGNAL WHICH IS A MEASURE OF THE MAGNITUDE OF SAID RESPONSE; INTEGRATING MEANS CONNECTED TO SAID MEASURING MEANS TO GENERATE A SIGNAL WHICH IS A MEASURE OF THE INTEGRAL OF THE MAGNITUDE OF THE SIGNAL GENERATED BY SAID MEASURING MEANS; MEANS FOR GENERATING A SIGNAL TO BE COMPARED WITH THE AMPLITUDE OF THE SIGNAL OF SAID INTERGRATING MEANS; MEANS FOR COMPARING SIGNAL AMPLITUDES CONNECTED TO SAID LAST NAMED MEANS FOR GENERATING A SIGNAL AND TO SAID INTEGRATING MEANS TO COMPARE THE AMPLITUDES OF THE SIGNALS THEREOF TO GENERATE A CONTROL SIGNAL WHOSE SENSE DEPENDS UPON WHICH ONE OF SAID COMPARED SIGNALS IS LARGER; TIMING MEANS ADAPTED TO GENERATE TIMING SIGNALS AND CONNECTED TO CONTROL THE TIME DURATION OF INTEGRATION BY SAID INTEGRATING MEANS AND FOR RESETTING SAID INTEGRATING MEANS; AND CONTROL MEANS CONNECTED TO THE OUTPUT OF SAID MEANS FOR COMPARING SIGNAL AMPLITUDES TO BE CONTROLLED THEREBY IN RESPONSE TO SAID CONTROL SIGNAL; SAID CONTROL MEANS BEING CONNECTED TO SAID MEANS FOR ADJUSTING AT LEAST ONE OF THE CHARACTERISTICS OF SAID SERVO SYSTEMS.
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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) | 1967-09-15 | 1968-03-16 | 1968-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-15 | 1972-03-16 | 1972-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-15 | 1976-03-16 | 1976-09-15 | $7700.00 | Window Closed / Lapsed |