US3170157A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Receiver noise compensation system
Assignee: Unisys Corp
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Filing: 1957-06-03
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Granted: 1965-02-16
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Expires: 1977-06-03
Abstract
No abstract record available.
Inventors
- 👤 Rudolph F Schreitmueller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:52
CPC Classifications
G; G01; G01S; G01S1/00; G01S1/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
IN A STACKED-BEAM RADAR SYSTEM, RECEIVING MEANS INCLUDING INDIVIDUAL MEANS FOR DETECTING TARGET SIGNALS AND NOISE PRESENT IN EACH OF THE RESPECTIVE BEAM CHANNELS, MEANS FOR RENDERING SAID INDIVIDUAL MEANS OPERATIVE DURING RESPECTIVE PORTIONS OF THE TARGET RECEPTION INTERVAL, MEANS FOR SUMMING THE DETECTED TARGET SIGNALS AND THE DETECTED NOISE SIGNALS AT THE OUTPUT OF SAID INDIVIDUAL MEANS, MEANS FOR GENERATING A STEPPED WAVEFORM HAVING PORTIONS SYNCHRONOUS IN TIME AND COEXTENSIVE IN DURATION WITH THE INTERVALS OF OPERATION OF SAID INDIVIDUAL MEANS FOR DETECTING, SAID STEPPED WAVEFORM HAVING AMPLITUDES CORRESPONDING TO THE AVERAGE AMPLITUDES OF THE DETECTED NOISE SIGNAL AT THE OUTPUT OF SAID SUMMING MEANS, AND SIGNAL COMBINING MEANS ADAPTED TO RECEIVE THE OUTPUT SIGNALS OF SAID SUMMING MEANS AND SAID MEANS FOR GENERATING FOR DIFFERENTIALLY COMBINING THE TWO TO PRODUCE A RESIDUAL SIGNAL WHEREBY THE AVERAGE VALUE OF THE DETECTED NOISE COMPONENT OF THE RESIDUAL SIGNAL IS REDUCED SUBSTANTIALLY TO ZERO.
Claim 2
Dependent Claim
153 words
IN A STACKED-BEAM RADAR SYSTEM, RECEIVING MEANS INCLUDING INDIVIDUAL MEANS FOR DETECTING TARGET SIGNALS AND NOISE PRESENT IN EACH OF THE RESPECTIVE BEAM CHANNELS, MEANS FOR RENDERING SAID INDIVIDUAL MEANS OPERATIVE DURING RESPECTIVE PORTIONS OF THE TARGET RECEPTION INTERVAL, MEANS FOR SUMMING THE DETECTED TARGET SIGNALS AND THE DETECTED NOISE SIGNALS AT THE OUTPUT OF SAID INDIVIDUAL MEANS, MEANS FOR GENERATING A STEPPED WAVEFORM HAVING PORTIONS SYNCHRONOUS IN TIME AND COEXTENSIVE IN DURATION WITH THE INTERVALS OF OPERATION OF SAID INDIVIDUAL MEANS FOR DETECTING, SAID STEPPED WAVEFORM HAVING AMPLITUDES CORRESPONDING TO THE AVERAGE AMPLITUDES OF THE DETECTED NOISE SIGNAL AT THE OUTPUT OF SAID SUMMING MEANS, AND SIGNAL COMBINING MEANS ADAPTED TO RECEIVE THE OUTPUT SIGNALS OF SAID SUMMING MEANS AND SAID MEANS FOR GENERATING FOR DIFFERENTIALLY COMBINING THE TWO TO PRODUCE A RESIDUAL SIGNAL WHEREBY THE AVERAGE VALUE OF THE DETECTED NOISE COMPONENT OF THE RESIDUAL SIGNAL IS REDUCED SUBSTANTIALLY TO ZERO.
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) | 1968-02-16 | 1968-08-17 | 1969-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-16 | 1972-08-17 | 1973-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-16 | 1976-08-17 | 1977-02-16 | $7700.00 | Window Closed / Lapsed |