US3117316A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable tracker radar system
Assignee: TRG Inc
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Filing: 1959-02-24
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Granted: 1964-01-07
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Expires: 1979-02-24
Abstract
No abstract record available.
Inventors
- 👤 Rearwin Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:21
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/02; G01S13/50; G01S13/58; G01S13/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
A DOPPLER RADAR SYSTEM ADAPTED FOR USE IN A MOVING VEHICLE INCLUDING MEANS FOR TRANSMITTING A BEAM OF ENERGY AND FOR RECEIVING SAID TRANSMITTED BEAM AFTER REFLECTION, MEANS FOR FORMING THE DOPPLER SPECTRUM OF SAID RECEIVED BEAM OF ENERGY, MEANS FOR MEASURING THE FREQUENCY WIDTH OF THE DOPPLER SPECTRUM, SAID LAST-NAMED MEANS COMPRISING SIGNAL PRODUCING MEANS FOR PRODUCING A PREDETERMINED SIGNAL IN RESPONSE TO A DOPPLER SPECTRUM OF A CERTAIN FREQUENCY WIDTH, AND MEANS OPERATIVE IN RESPONSE TO A SIGNAL OTHER THAN SAID PREDETERMINED SIGNAL TO VARY THE CHARACTERISTICS OF SAID SIGNAL-PRODUCING MEANS IN A MANNER SUCH THAT SAID PREDETERMINED SIGNAL IS PRODUCED IN RESPONSE TO A SPECTRUM OF ANOTHER FREQUENCY WIDTH.
Claim 2
Dependent Claim
112 words
A DOPPLER RADAR SYSTEM ADAPTED FOR USE IN A MOVING VEHICLE INCLUDING MEANS FOR TRANSMITTING A BEAM OF ENERGY AND FOR RECEIVING SAID TRANSMITTED BEAM AFTER REFLECTION, MEANS FOR FORMING THE DOPPLER SPECTRUM OF SAID RECEIVED BEAM OF ENERGY, MEANS FOR MEASURING THE FREQUENCY WIDTH OF THE DOPPLER SPECTRUM, SAID LAST-NAMED MEANS COMPRISING SIGNAL PRODUCING MEANS FOR PRODUCING A PREDETERMINED SIGNAL IN RESPONSE TO A DOPPLER SPECTRUM OF A CERTAIN FREQUENCY WIDTH, AND MEANS OPERATIVE IN RESPONSE TO A SIGNAL OTHER THAN SAID PREDETERMINED SIGNAL TO VARY THE CHARACTERISTICS OF SAID SIGNAL-PRODUCING MEANS IN A MANNER SUCH THAT SAID PREDETERMINED SIGNAL IS PRODUCED IN RESPONSE TO A SPECTRUM OF ANOTHER FREQUENCY WIDTH.
References Cited (Backward Citations)
US2680228A
Cited
US2763840A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-01-06 | 1967-07-08 | 1968-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-06 | 1971-07-08 | 1972-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-06 | 1975-07-08 | 1976-01-07 | $7700.00 | Window Closed / Lapsed |