US3145379A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sequential signal detector
Assignee: Individual
•
Filing: 1960-09-27
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Granted: 1964-08-18
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Expires: 1980-09-27
Abstract
No abstract record available.
Inventors
- 👤 James W Caspers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:07
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/02; G01S13/06; G01S13/08; G01S13/10; G01S13/103
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
196 words
A SEQUENTIAL SIGNAL DETECTOR COMPRISING A SIGNAL INPUT TERMINAL ADAPTED TO BE CONNECTED TO THE OUTPUT OF A RADAR SYSTEM RECEIVER, GATING MEANS CONNECTED TO SAID SIGNAL INPUT TERMINAL, SAID GATING MEANS OPERABLE TO GATE ANY SIGNAL APPLIED TO SAID SIGNAL INPUT TERMINAL, A SQUARE LAW RESPONSIVE MEANS CONNECTED TO THE OUTPUT OF SAID GATING MEANS, LIMITING MEANS CONNECTED TO THE OUTPUT OF SAID SQUARE LAW RESPONSIVE MEANS, A SUMMING NETWORK CONNECTED TO THE OUTPUT OF SAID LIMITING MEANS FOR SUMMING A PREDETERMINED SIGNAL WITH THE OUTPUT OF SAID LIMITING MEANS, INTEGRATING MEANS CONNECTED TO THE OUTPUT OF SAID SUMMING MEANS, TARGET PRESENCE DETERMINING MEANS CONNECTED TO THE OUTPUT OF SAID INTEGRATING MEANS, SAID TARGET PRESENCE DETERMINING MEANS OPERABLE TO GENERATE A FIRST PULSE IF THE OUTPUT OF SAID INTEGRATING MEANS REACH A FIRST PREDETERMINED LEVEL AND A SECOND PULSE IF THE OUTPUT OF SAID INTEGRATING MEANS REACHES A SECOND PREDETERMINED LEVEL, AND RECYCLING MEANS HAVING AN INPUT CONNECTED TO SAID TARGET PRESENCE DETERMINING MEANS AND AN OUTPUT CONNECTED TO SAID INTEGRATING MEANS, SAID RECYCLING MEANS OPERABLE UPON RECEIVING EITHER PULSE FROM SAID TARGET PRESENCE DETERMINING MEANS TO RECYCLE SAID INTEGRATING MEANS TO A START CONDITION.
Claim 2
Dependent Claim
196 words
A SEQUENTIAL SIGNAL DETECTOR COMPRISING A SIGNAL INPUT TERMINAL ADAPTED TO BE CONNECTED TO THE OUTPUT OF A RADAR SYSTEM RECEIVER, GATING MEANS CONNECTED TO SAID SIGNAL INPUT TERMINAL, SAID GATING MEANS OPERABLE TO GATE ANY SIGNAL APPLIED TO SAID SIGNAL INPUT TERMINAL, A SQUARE LAW RESPONSIVE MEANS CONNECTED TO THE OUTPUT OF SAID GATING MEANS, LIMITING MEANS CONNECTED TO THE OUTPUT OF SAID SQUARE LAW RESPONSIVE MEANS, A SUMMING NETWORK CONNECTED TO THE OUTPUT OF SAID LIMITING MEANS FOR SUMMING A PREDETERMINED SIGNAL WITH THE OUTPUT OF SAID LIMITING MEANS, INTEGRATING MEANS CONNECTED TO THE OUTPUT OF SAID SUMMING MEANS, TARGET PRESENCE DETERMINING MEANS CONNECTED TO THE OUTPUT OF SAID INTEGRATING MEANS, SAID TARGET PRESENCE DETERMINING MEANS OPERABLE TO GENERATE A FIRST PULSE IF THE OUTPUT OF SAID INTEGRATING MEANS REACH A FIRST PREDETERMINED LEVEL AND A SECOND PULSE IF THE OUTPUT OF SAID INTEGRATING MEANS REACHES A SECOND PREDETERMINED LEVEL, AND RECYCLING MEANS HAVING AN INPUT CONNECTED TO SAID TARGET PRESENCE DETERMINING MEANS AND AN OUTPUT CONNECTED TO SAID INTEGRATING MEANS, SAID RECYCLING MEANS OPERABLE UPON RECEIVING EITHER PULSE FROM SAID TARGET PRESENCE DETERMINING MEANS TO RECYCLE SAID INTEGRATING MEANS TO A START CONDITION.
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) | 1967-08-18 | 1968-02-17 | 1968-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-18 | 1972-02-17 | 1972-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-18 | 1976-02-17 | 1976-08-18 | $7700.00 | Window Closed / Lapsed |