Patent US3340528A successfully refreshed from Google Patents.
US3340528A
Expired / Lapsed
US
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Method and system for wind measurements
Assignee: Individual
•
Filing: 1965-02-18
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Granted: 1967-09-05
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Expires: 1985-02-18
Abstract
No abstract record available.
Inventors
- 👤 Atlas David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 07:38
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/88; G01S13/95; Y; Y02; Y02A; Y02A90/00; Y02A90/10
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
110 words
A METHOD OF MEASURING THE VELOCITY OF AN AIRBORNE OBJECT COMPRISING DIRECTING ENERGY FROM SAID AIRBONE ABJECT TOWARDS GROUND TARGETS IN THE FORM OF FIRST AND SECOND RADAR BEAMS HAVING A PREDETERMINED SPACING, THE AXIS BETWEEN SAID BEAMS BEING PERPENDICULR TO THE DIRECTION OF FLIGHT WITH RESPECT TO THE GROUND, RECEIVING RADAR RETURN SIGNALS FROM SAID GROUND TARGETS, MIXING RADAR RETURN SIGNALS RESULTING FROM SAID FIRST BEAM WITH RADAR RETURN SIGNALS FROM SAID SECOND BEAM IN A SINGLE RECEIVER CHANNEL TO OBTAIN A RESULTING SIGNAL HAVING A FLUCTUATION FREQUENCY WITH A WELL-DEFINED SECONDARY MAXIMUM REPRESENTATIVE OF THE VELOCITY OF SAID AIRBORNE OBJECT RELATIVE TO GROUND, AND MEASURING SAID SECONDARY MAXIMUM.
References Cited (Backward Citations)
US2422064A
Cited
US2669710A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-04 | 1971-03-06 | 1971-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-04 | 1975-03-06 | 1975-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-04 | 1979-03-06 | 1979-09-05 | $7700.00 | Window Closed / Lapsed |