US3341847A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Platform motion compensation of a coherent mti system
Assignee: North American Aviation Corp
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Filing: 1966-05-24
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Granted: 1967-09-12
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Expires: 1986-05-24
Abstract
No abstract record available.
Inventors
- 👤 Walter R Fried
- 👤 Ted G Sprague
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:05
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/02; G01S13/50; G01S13/52; G01S13/522; G01S13/524; G01S13/526; G01S13/528; G01S13/5242; G01S13/58; G01S13/64
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
IN A DIRECTIONALLY-RANGING PULSED ENERGY SYSTEM, CLOSED LOOP MEANS FOR IMPROVING THE INDICATED DISTINCTION BETWEEN A CLUTTER BACKGROUND AND A DETECTED TARGET MOVING RADIALLY OF SAID SYSTEM RELATIVE TO SAID CLUTTER BACKGROUND AND COMPRISING SIGNAL INTEGRATING MEANS RESPONSIVE TO THE CENTROID OF THE SPECTRA OF A SENSED CLUTTER BACKGROUND AND TO A PULSE REPETITION FREQUENCY OF THE PULSED ENERGY SYSTEM FOR PROVIDING AN OUTPUT SIGNAL INDICATIVE OF THE TIME INTEGRAL OF THE FREQUENCY DIFFERENCE THEREBETWEEN; AND VOLTAGE-CONTROLLED PERIODIC SIGNALLING MEANS RESPONSIVELY COUPLED TO AN OUTPUT OF SAID SIGNAL INTEGRATING MEANS FOR VARYING SAID PULSE REPETITION INTERVAL OF SAID PULSED ENERGY SYSTEM.
Claim 2
Dependent Claim
101 words
IN A DIRECTIONALLY-RANGING PULSED ENERGY SYSTEM, CLOSED LOOP MEANS FOR IMPROVING THE INDICATED DISTINCTION BETWEEN A CLUTTER BACKGROUND AND A DETECTED TARGET MOVING RADIALLY OF SAID SYSTEM RELATIVE TO SAID CLUTTER BACKGROUND AND COMPRISING SIGNAL INTEGRATING MEANS RESPONSIVE TO THE CENTROID OF THE SPECTRA OF A SENSED CLUTTER BACKGROUND AND TO A PULSE REPETITION FREQUENCY OF THE PULSED ENERGY SYSTEM FOR PROVIDING AN OUTPUT SIGNAL INDICATIVE OF THE TIME INTEGRAL OF THE FREQUENCY DIFFERENCE THEREBETWEEN; AND VOLTAGE-CONTROLLED PERIODIC SIGNALLING MEANS RESPONSIVELY COUPLED TO AN OUTPUT OF SAID SIGNAL INTEGRATING MEANS FOR VARYING SAID PULSE REPETITION INTERVAL OF SAID PULSED ENERGY SYSTEM.
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) | 1970-09-11 | 1971-03-13 | 1971-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-11 | 1975-03-13 | 1975-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-11 | 1979-03-13 | 1979-09-12 | $7700.00 | Window Closed / Lapsed |