US3346859A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mainlobe doppler clutter return compensator for moving platform radar
Assignee: Raytheon Co
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Filing: 1965-06-21
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Granted: 1967-10-10
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Expires: 1985-06-21
Abstract
No abstract record available.
Inventors
- 👤 William H Mullins
- 👤 Thaler Samuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:56
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/02; G01S13/50; G01S13/52; G01S13/522; G01S13/524; G01S13/5242; G01S13/5244
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A DOPPLER RETURN SIGNAL COMPENSATOR SYSTEM FOR MOVING PLATFORM RADAR, HAVING A SCANNING ANTENNA COMPRISING: OPEN-LOOP PREDICTOR MEANS RESPONSIVE TO RADAR PLATFORM MOTIONS AND ANTENNA SCAN MOTIONS TO PRODUCE AN OUTPUT SIGNAL CORRESPONDING TO THE DOPPLER FREQUENCY SHIFT DUE TO THE MOTIONS OF SAID PLATFORM AND SAID SCANNING ANTENNA; AND CLOSED-LOOP MEANS RESPONSIVE TO A CONTINUOUSLY VARYING DOPPLER FREQUENCY AND COUPLED BETWEEN SAID RADAR AND SAID OPEN-LOOP PREDICTOR MEANS TO PRODUCE AN OUTPUT SINAL CONTAINING DOPPLER COMPENSATED INFORMATION.
Claim 2
Dependent Claim
78 words
A DOPPLER RETURN SIGNAL COMPENSATOR SYSTEM FOR MOVING PLATFORM RADAR, HAVING A SCANNING ANTENNA COMPRISING: OPEN-LOOP PREDICTOR MEANS RESPONSIVE TO RADAR PLATFORM MOTIONS AND ANTENNA SCAN MOTIONS TO PRODUCE AN OUTPUT SIGNAL CORRESPONDING TO THE DOPPLER FREQUENCY SHIFT DUE TO THE MOTIONS OF SAID PLATFORM AND SAID SCANNING ANTENNA; AND CLOSED-LOOP MEANS RESPONSIVE TO A CONTINUOUSLY VARYING DOPPLER FREQUENCY AND COUPLED BETWEEN SAID RADAR AND SAID OPEN-LOOP PREDICTOR MEANS TO PRODUCE AN OUTPUT SINAL CONTAINING DOPPLER COMPENSATED INFORMATION.
References Cited (Backward Citations)
US2914763A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-09 | 1971-04-10 | 1971-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-09 | 1975-04-10 | 1975-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-09 | 1979-04-10 | 1979-10-10 | $7700.00 | Window Closed / Lapsed |