US3312969A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radar video processor and clutter eliminator
Assignee: Unisys Corp
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Filing: 1965-07-09
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Granted: 1967-04-04
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Expires: 1985-07-09
Abstract
No abstract record available.
Inventors
- 👤 Charles P Halsted
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:28
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/66; G01S13/70; G01S7/00; G01S7/02; G01S7/28; G01S7/285; G01S7/292; G01S7/2923; G01S7/2927
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
APPARATUS FOR PROCESSING THE OUTPUT OF A RADAR RECEIVER WHICH INCLUDES RECEIVER-GENERATED NOISE SIGNALS AND RADAR VIDEO SIGNALS COMPRISING A CIRCUIT FOR ESTABLISHING A VARIABLE CLIP LEVEL, MEANS FOR QUANTIZING INTO DIGITAL PULSES THOSE RECEIVER OUTPUT SIGNALS WHICH ARE EFFECTIVE IN MAGNITUDE TO EXCEED THE CLIP LEVEL MAGNITUDE, MEANS RESPONSIVE TO VARIATIONS IN THE DUTY CYCLE OF THE OUTPUT OF THE QUANTIZING MEANS CAUSED BY VARIATIONS IN THE FREQUENCY OF EFFECTIVE NOISE SIGNALS FOR ADJUSTING THE CLIP LEVEL TO MAINTAIN SAID DUTY CYCLE SUBSTANTIALLY CONSTANT, AND MEANS RESPONSIVE TO VARIATIONS IN SAID DUTY
Claim 2
Dependent Claim
93 words
APPARATUS FOR PROCESSING THE OUTPUT OF A RADAR RECEIVER WHICH INCLUDES RECEIVER-GENERATED NOISE SIGNALS AND RADAR VIDEO SIGNALS COMPRISING A CIRCUIT FOR ESTABLISHING A VARIABLE CLIP LEVEL, MEANS FOR QUANTIZING INTO DIGITAL PULSES THOSE RECEIVER OUTPUT SIGNALS WHICH ARE EFFECTIVE IN MAGNITUDE TO EXCEED THE CLIP LEVEL MAGNITUDE, MEANS RESPONSIVE TO VARIATIONS IN THE DUTY CYCLE OF THE OUTPUT OF THE QUANTIZING MEANS CAUSED BY VARIATIONS IN THE FREQUENCY OF EFFECTIVE NOISE SIGNALS FOR ADJUSTING THE CLIP LEVEL TO MAINTAIN SAID DUTY CYCLE SUBSTANTIALLY CONSTANT, AND MEANS RESPONSIVE TO VARIATIONS IN SAID DUTY
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) | 1970-04-03 | 1970-10-03 | 1971-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-03 | 1974-10-03 | 1975-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-03 | 1978-10-03 | 1979-04-04 | $7700.00 | Window Closed / Lapsed |