Patent US3403673A successfully refreshed from Google Patents.
Patent US3201702A successfully refreshed from Google Patents.
US3201702A
Expired / Lapsed
US
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Integrator for periodically recurring signals
Assignee: Hazeltine Research Inc
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Filing: 1961-08-24
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Granted: 1965-08-17
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Expires: 1981-08-24
Abstract
No abstract record available.
Inventors
- 👤 Joseph D Hanulec
- 👤 Carl E Schwab
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:36
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/02; G01S13/06; G01S13/08; G01S13/10; G01S13/18; G01S13/14; G01S7/00; G01S7/02; G01S7/28; G01S7/285; G01S7/292; G01S7/2923; G01S7/2926; G01S13/88; G01S13/882
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
AN INTEGRATOR FOR IMPROVING THE SIGNAL-TO-NOISE RATIO OF PERIODICALLY RECURRING SIGNALS COMPRISING: MEANS FOR PRODUCING A RADIO-FREQUENCY CARRIER SIGNAL; MEANS FOR CAUSING THE RECURRING SIGNALS TO PRODUCE, DURING SUCCESSIVE REPETITION PERIODS, A CUMULATIVE PHASE CHANGE TO PROVIDE AN MEANS, FOR DETECTING SAID PHASE CHANGE TO PROVIDE AN ENHANCED REPLICA OF SAID RECURRING SIGNALS, INCLUDING A SOURCE OF REFERENCE PHASE OSCILLATIONS, MEANS FOR VARYING SAID REFERENCE PHASE TO CORRESPOND WITH THE AVERAGE PHASE OF SAID RADIO-FREQUENCY CARRIER SIGNAL AND A PHASE DETECTOR RESPONSIVE TO THE INSTANTANEOUS PHASE DIFFERENCE BETWEEN SAID REFERENCE PHASE OSCILLATIONS AND SAID CARRIER SIGNAL; AND MEANS FOR SUBTRACTING A PORTION OF SAID ENHANCED REPLICA FROM SAID RECURRING SIGNALS SO AS TO DEGENERATIVELY CONTROL THE CUMULATIVE PHASE CHANGE OF SAID CARRIER SIGNAL.
Claim 2
Dependent Claim
123 words
AN INTEGRATOR FOR IMPROVING THE SIGNAL-TO-NOISE RATIO OF PERIODICALLY RECURRING SIGNALS COMPRISING: MEANS FOR PRODUCING A RADIO-FREQUENCY CARRIER SIGNAL; MEANS FOR CAUSING THE RECURRING SIGNALS TO PRODUCE, DURING SUCCESSIVE REPETITION PERIODS, A CUMULATIVE PHASE CHANGE TO PROVIDE AN MEANS, FOR DETECTING SAID PHASE CHANGE TO PROVIDE AN ENHANCED REPLICA OF SAID RECURRING SIGNALS, INCLUDING A SOURCE OF REFERENCE PHASE OSCILLATIONS, MEANS FOR VARYING SAID REFERENCE PHASE TO CORRESPOND WITH THE AVERAGE PHASE OF SAID RADIO-FREQUENCY CARRIER SIGNAL AND A PHASE DETECTOR RESPONSIVE TO THE INSTANTANEOUS PHASE DIFFERENCE BETWEEN SAID REFERENCE PHASE OSCILLATIONS AND SAID CARRIER SIGNAL; AND MEANS FOR SUBTRACTING A PORTION OF SAID ENHANCED REPLICA FROM SAID RECURRING SIGNALS SO AS TO DEGENERATIVELY CONTROL THE CUMULATIVE PHASE CHANGE OF SAID CARRIER SIGNAL.
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) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |