US3341850A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Monopulse radar system for tracking a coherently scintillating target in the presence of radar countermeasures
Assignee: Melpar Inc
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Filing: 1959-02-19
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Granted: 1967-09-12
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Expires: 1979-02-19
Abstract
No abstract record available.
Inventors
- 👤 Kings Leonard
- 👤 Reiser Donald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:13
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/02; G01S13/06; G01S13/42; G01S13/44; G01S7/00; G01S7/02; G01S7/36
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
A RADAR SYSTEM COMPRISING MEANS FOR TRANSMITTING RADIANT ENERGY PULSES TO A TARGET, DIRECTIVE MEANS FOR RECEIVING ECHO PULSES FROM SAID TARGET, SAID ECHO PULSES DERIVING BY REFLECTION FROM SAID TARGET, SAID TARGET HAVING A PERIODICALLY VARYING REFLECTIVE AREA FOR SAID RADIANT ENERGY PULSES SUCH THAT SAID RADIANT ENERGY PULSES INCLUDE A COMPONENT OF MODULATION AT FREQUENCY FW, WHERE 1/FW IS THE PERIODICITY OF VARIATION OF SAID REFLECTIVE AREA, MEANS FOR DERIVING A FREQUENCY FS AND FW IN RESPONSE ONLY TO SAID COMPONENT OF MODULATION AT FREQUECY FW, WHERE FS IS A CONSTANT FREQUENCY, MEANS FOR DERIVING SAID FREQUENCY FS IN RESPONSE ONLY TO SAID FREQUENCY FS AND FW, AND MEANS RESPONSIVE TO SAID FREQUENCY FS FOR DIRECTING SAID DIRECTIVE MEANS TOWARD SAID TARGET.
Claim 2
Dependent Claim
124 words
A RADAR SYSTEM COMPRISING MEANS FOR TRANSMITTING RADIANT ENERGY PULSES TO A TARGET, DIRECTIVE MEANS FOR RECEIVING ECHO PULSES FROM SAID TARGET, SAID ECHO PULSES DERIVING BY REFLECTION FROM SAID TARGET, SAID TARGET HAVING A PERIODICALLY VARYING REFLECTIVE AREA FOR SAID RADIANT ENERGY PULSES SUCH THAT SAID RADIANT ENERGY PULSES INCLUDE A COMPONENT OF MODULATION AT FREQUENCY FW, WHERE 1/FW IS THE PERIODICITY OF VARIATION OF SAID REFLECTIVE AREA, MEANS FOR DERIVING A FREQUENCY FS AND FW IN RESPONSE ONLY TO SAID COMPONENT OF MODULATION AT FREQUECY FW, WHERE FS IS A CONSTANT FREQUENCY, MEANS FOR DERIVING SAID FREQUENCY FS IN RESPONSE ONLY TO SAID FREQUENCY FS AND FW, AND MEANS RESPONSIVE TO SAID FREQUENCY FS FOR DIRECTING SAID DIRECTIVE MEANS TOWARD SAID TARGET.
References Cited (Backward Citations)
US2830288A
Cited
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 |