US3249940A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clutter-cancelling system
Assignee: Individual
•
Filing: 1963-10-24
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Granted: 1966-05-03
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Expires: 1983-10-24
Abstract
No abstract record available.
Inventors
- 👤 Carl W Erickson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:54
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/02; G01S13/06; G01S13/08; G01S13/10; G01S13/26; G01S13/28; G01S13/284; G01S13/288
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
A CLUTTER-CANCELLING SYSTEM FOR INCREASING THE PEAKTO-CLUTTER RATIO RESULTING FROM THE CORRELATION FUNCTION IN MATCHED FILTERING TECHNIQUES COMPRISING: MEANS FOR DEVELOPING SIGNALS HAVING TWO DISTINGUISHING STATES; MEANS FOR GENERATING SIGNAL PULSES IN A FIRST SEQUENCE OF SAID TWO DISTINGUISHING STATES; MEANS FOR GENERATING SIGNAL PULSES IN A SECOND SEQUENCE OF SAID TWO DISTINGUISHING STATES; MEANS FOR TRANSMITTING SAID FIRST AND SECOND SEQUENCES OF SIGNAL PULSES; MEANS FOR RECEIVING REFLECTIONS OF SAID TRANSMITTED FIRST AND SECOND SEQUENCES OF SIGNAL PULSES; FIRST AND SECOND MATCHED FILTER MEANS FOR SEPARATELY CORRELATING SAID REFLECTED FIRST AND SECOND SEQUENCES OF SIGNAL PULSES, EACH SAID FILTER MEANS BEING OPERATIVELY RESPONSIVE IN THE INVERSE TIME SEQUENCE OF THE
Claim 2
Dependent Claim
111 words
A CLUTTER-CANCELLING SYSTEM FOR INCREASING THE PEAKTO-CLUTTER RATIO RESULTING FROM THE CORRELATION FUNCTION IN MATCHED FILTERING TECHNIQUES COMPRISING: MEANS FOR DEVELOPING SIGNALS HAVING TWO DISTINGUISHING STATES; MEANS FOR GENERATING SIGNAL PULSES IN A FIRST SEQUENCE OF SAID TWO DISTINGUISHING STATES; MEANS FOR GENERATING SIGNAL PULSES IN A SECOND SEQUENCE OF SAID TWO DISTINGUISHING STATES; MEANS FOR TRANSMITTING SAID FIRST AND SECOND SEQUENCES OF SIGNAL PULSES; MEANS FOR RECEIVING REFLECTIONS OF SAID TRANSMITTED FIRST AND SECOND SEQUENCES OF SIGNAL PULSES; FIRST AND SECOND MATCHED FILTER MEANS FOR SEPARATELY CORRELATING SAID REFLECTED FIRST AND SECOND SEQUENCES OF SIGNAL PULSES, EACH SAID FILTER MEANS BEING OPERATIVELY RESPONSIVE IN THE INVERSE TIME SEQUENCE OF THE
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) | 1969-05-02 | 1969-11-01 | 1970-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-02 | 1973-11-01 | 1974-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-02 | 1977-11-01 | 1978-05-03 | $7700.00 | Window Closed / Lapsed |