US3241077A
Expired / Lapsed
US
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Self-adaptive control system eliminating variable unwanted component
Assignee: North American Aviation Corp
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Filing: 1961-07-06
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Granted: 1966-03-15
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Expires: 1981-07-06
Abstract
No abstract record available.
Inventors
- 👤 Richard K Smyth
- 👤 David G Byles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:29
CPC Classifications
H; H03; H03H; H03H11/00; H03H11/02; H03H11/04; H03H11/12; H03H11/1291; G; G05; G05B; G05B13/00; G05B13/02; G05B13/0205; G05B13/024; G05D; G05D1/00; G05D1/08; G05D1/0808; G05D1/0816; G05D1/0825
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
AUTOMATIC MEANS FOR GENERATING A PHASOR SIGNAL IN RESPONSE TO A VARIABLE INPUT POWER SPECTRUM COMPRISING ADJUSTABLE FILTER MEANS FOR TRANSMITTING A SIGNAL OF LIKE FREQUENCY AS A TIME-AVERAGED FREQUENCY OF THE PEAK SPECTRAL POWER DENSITY OF SAID INPUT SPECTRA, AMPLITUDE MEANS RESPONSIVE TO SAID POWER SPECTRUM FOR ADJUSTING THE AMPLITUDE OF SAID PHASOR SIGNAL TO A VALVE EQUAL TO A TIME-AVERAGED VALUE OF SAID PEAK SPECTRAL POWER DENSITY, AND PHASE MEANS INCLUDING SAID ADJUSTABLE FILTER MEANS FOR ADJUSTING THE CENTER FREQUENCY OF SAID FILTER TO PROVIDE A 180* PHASE SHIFT OF SAID PHASOR SIGNAL RELATIVE TO THE
Claim 2
Dependent Claim
98 words
AUTOMATIC MEANS FOR GENERATING A PHASOR SIGNAL IN RESPONSE TO A VARIABLE INPUT POWER SPECTRUM COMPRISING ADJUSTABLE FILTER MEANS FOR TRANSMITTING A SIGNAL OF LIKE FREQUENCY AS A TIME-AVERAGED FREQUENCY OF THE PEAK SPECTRAL POWER DENSITY OF SAID INPUT SPECTRA, AMPLITUDE MEANS RESPONSIVE TO SAID POWER SPECTRUM FOR ADJUSTING THE AMPLITUDE OF SAID PHASOR SIGNAL TO A VALVE EQUAL TO A TIME-AVERAGED VALUE OF SAID PEAK SPECTRAL POWER DENSITY, AND PHASE MEANS INCLUDING SAID ADJUSTABLE FILTER MEANS FOR ADJUSTING THE CENTER FREQUENCY OF SAID FILTER TO PROVIDE A 180* PHASE SHIFT OF SAID PHASOR SIGNAL RELATIVE TO THE
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) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |