US3286257A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Low false alarm rate radar video processor apparatus
Assignee: Individual
•
Filing: 1965-01-14
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Granted: 1966-11-15
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Expires: 1985-01-14
Abstract
No abstract record available.
Inventors
- 👤 Gilmore H Trafford
- 👤 George B Michel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:21
CPC Classifications
G; G01; G01S; G01S7/00; G01S7/02; G01S7/28; G01S7/285; G01S7/292; G01S7/2923
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
IN A SCANNING RADAR SYSTEM COMPRISING A RECEIVER ADAPTED TO DETECT RF ENERGY PULSES REFLECTED FROM A DISTANT OBJECT, MEANS FOR REDUCING FALSE ALARM FROM ONE RANGE BLOCK PER ANTENNA BEAMWIDTH COMPRISING: PULSE DISCRIMINATOR MEANS CONNECTED TO THE OUTPUT OF SAID RECEIVER, TARGET PULSE COUNTER MEANS CONNECTED TO SAID PULSE DISCRIMINATOR MEANS AND ADAPTED TO REPEATEDLY SEARCH A PREDETERMINED RANGE BLOCK THROUGHOUT SAID ANTENNA BEAMWIDTH OF DETERMINE THE PRESENCE OF TARGET PULSES, VOLTAGE STEP GENERATING MEANS ACTUATED BY THE OUTPUT OF SAID PULSE COUNTER MEANS, SAID VOLTAGE STEP MEANS GENERATING A VOLTAGE LEVEL IN PROPORTION TO THE NUMBER OF TARGET PULSE ECHOES RECEIVED OVER SAID ANTENNA BEAMWIDTH, AND THERSHOLD TRIGGER MEANS CONNECTED TO SAID VOLTAGE STEP GENERATING MEANS TO GENERATE AN OUTPUT TO BE FED TO A UTILIZATION DEVICE WHEN THE NUMBER OF SAID RECEIVED TARGET PULSES EXCEEDS A PREDETERMINED LEVEL.
Claim 2
Dependent Claim
141 words
IN A SCANNING RADAR SYSTEM COMPRISING A RECEIVER ADAPTED TO DETECT RF ENERGY PULSES REFLECTED FROM A DISTANT OBJECT, MEANS FOR REDUCING FALSE ALARM FROM ONE RANGE BLOCK PER ANTENNA BEAMWIDTH COMPRISING: PULSE DISCRIMINATOR MEANS CONNECTED TO THE OUTPUT OF SAID RECEIVER, TARGET PULSE COUNTER MEANS CONNECTED TO SAID PULSE DISCRIMINATOR MEANS AND ADAPTED TO REPEATEDLY SEARCH A PREDETERMINED RANGE BLOCK THROUGHOUT SAID ANTENNA BEAMWIDTH OF DETERMINE THE PRESENCE OF TARGET PULSES, VOLTAGE STEP GENERATING MEANS ACTUATED BY THE OUTPUT OF SAID PULSE COUNTER MEANS, SAID VOLTAGE STEP MEANS GENERATING A VOLTAGE LEVEL IN PROPORTION TO THE NUMBER OF TARGET PULSE ECHOES RECEIVED OVER SAID ANTENNA BEAMWIDTH, AND THERSHOLD TRIGGER MEANS CONNECTED TO SAID VOLTAGE STEP GENERATING MEANS TO GENERATE AN OUTPUT TO BE FED TO A UTILIZATION DEVICE WHEN THE NUMBER OF SAID RECEIVED TARGET PULSES EXCEEDS A PREDETERMINED LEVEL.
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) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |