US3560974A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Signal-channel evaluation network for monopulse radar receiver
Assignee: Compagnie Francaise Thomson Houston SA
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Filing: 1969-01-07
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Granted: 1971-02-02
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Expires: 1989-01-07
Abstract
Abstract SUM AND DIFFERENCE SIGNALS FROM AN ARRAY OF RECEIVING ANTENNAS OF A MONOPULSE-TYPE RADAR SYSTEM ARE SEQUENTIALLY TRANSMITTED TO AN OUTPUT STAGE THROUGH A SINGLECHANNEL EVALUATION NETWORK. THE SUN SIGNALS, UPOM COMPARISON WITH A REFERENCE OSCILLATOR, SET A GAIN-CONTROL CIRCUIT AND A PHASE-LOCKING CIRCUIT WHICH REMAINS SET DURING THE SUBSEQUENT TRANSMITTAL OF DIFFERENCE SIGNALS, VOLTAGE TO THE OUTPUT STAGE.
Inventors
- 👤 Jean-Claude Lecourtier
- 👤 Fernand Jean-Maurice Puverel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:49
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/02; G01S13/06; G01S13/42; G01S13/44; G01S13/4436
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-01 | 1974-08-03 | 1975-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-01 | 1978-08-03 | 1979-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-01 | 1982-08-03 | 1983-02-02 | $7700.00 | Window Closed / Lapsed |