Patent US3126540A successfully refreshed from Google Patents.
US3126540A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mixer
Assignee: —
•
Filing: —
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Granted: 1964-03-24
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Expires: 1981-03-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:20
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/02; G01S13/06; G01S13/08; G01S13/32; G01S13/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
A RADAR SYSTEM FOR MEASURING RANGE AND RANGE RATE BETWEEN THE SYSTEM AND A TARGET COMPRISING A TRANSMITTING MEANS, MODULATING MEANS CONNECTED TO SAID TRANSMITTING MEANS, FOR MODULATING SAID TRANSMITTING MEANS WITH A MODULATING SIGNAL AT A REPETITION RATE SUBSTANTIALLY HIGHER THAN THE MAXIMUM DOPPLER FREQUENCY EXPECTED TO BE RECEIVED, FIRST MEANS CONNECTED TO SAID TRANSMITTING MEANS FOR RECEIVING AND COMBINING A SIGNAL TRANSMITTED BY SAID TRANSMITTING MEANS AND A SIGNAL REFLECTED FROM THE TARGET, SECOND MEANS CONNECTED TO SAID FIRST MEANS FOR PRODUCING A SIGNAL CONTAINING A COMPONENT DUE TO THE MODULATION AND A DOPPLER COMPONENT, THIRD MEANS CONNECTED TO SAID SECOND MEANS FOR REJECTING THE DOPPLER COMPONENT AND FOR PASSING THE COMPONENT DUE TO THE MODULATION, AND FOURTH MEANS CONNECTED TO SAID THIRD MEANS AND TO SAID MODULATING MEANS FOR PRODUCING A SIGNAL HAVING AN AMPLI-
Claim 2
Dependent Claim
138 words
A RADAR SYSTEM FOR MEASURING RANGE AND RANGE RATE BETWEEN THE SYSTEM AND A TARGET COMPRISING A TRANSMITTING MEANS, MODULATING MEANS CONNECTED TO SAID TRANSMITTING MEANS, FOR MODULATING SAID TRANSMITTING MEANS WITH A MODULATING SIGNAL AT A REPETITION RATE SUBSTANTIALLY HIGHER THAN THE MAXIMUM DOPPLER FREQUENCY EXPECTED TO BE RECEIVED, FIRST MEANS CONNECTED TO SAID TRANSMITTING MEANS FOR RECEIVING AND COMBINING A SIGNAL TRANSMITTED BY SAID TRANSMITTING MEANS AND A SIGNAL REFLECTED FROM THE TARGET, SECOND MEANS CONNECTED TO SAID FIRST MEANS FOR PRODUCING A SIGNAL CONTAINING A COMPONENT DUE TO THE MODULATION AND A DOPPLER COMPONENT, THIRD MEANS CONNECTED TO SAID SECOND MEANS FOR REJECTING THE DOPPLER COMPONENT AND FOR PASSING THE COMPONENT DUE TO THE MODULATION, AND FOURTH MEANS CONNECTED TO SAID THIRD MEANS AND TO SAID MODULATING MEANS FOR PRODUCING A SIGNAL HAVING AN AMPLI-
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-24 | 1967-09-23 | 1968-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-24 | 1971-09-23 | 1972-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-24 | 1975-09-23 | 1976-03-24 | $7700.00 | Window Closed / Lapsed |