US3246328A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Precision radar system
Assignee: AT&T Inc
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Filing: 1961-12-07
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Granted: 1966-04-12
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Expires: 1981-12-07
Abstract
No abstract record available.
Inventors
- 👤 Dietrich A Alsberg
- 👤 Erwin E Muller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:50
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/87; G01S13/74; G01S13/76
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A RADAR SYSTEM FOR OBTAINING DATA FOR DETERMINING THE TRANSVERSE VELOCITY COMPONENTS OF AN OBJECT IN FLIGHT, SAID SYSTEM COMPRISING RADAR MEANS FOR EMITTING RADAR SIGNALS TO THE OBJECT IN FLIGHT AND FOR RECEIVING RETURN SIGNALS THEREFROM, MEANS TO BE CARRIED IN SAID OBJECT FOR EMITTING A SIGNAL IN RESPONSE TO THE RADAR SIGNAL, TWO TRANSPONDERS DISPOSED IN KNOWN SPATIAL RELATIONSHIP WITH SAID RADAR MEANS, MEANS IN EACH TRASNPONDER FOR EMITTING A SIGNAL IN RESPONSE TO THE SIGNAL FROM SAID OBJECT, AND FURTHER MEANS IN SAID OBJECT FOR RELAYING THE SIGNALS FROM SAID TRANSPONDERS TO SAID RADAR MEANS, WHEREBY SAID RADAR MAY DERIVE THE TRANSVERSE VELOCITY COMPONENTS FROM THE SEVERAL SIGNALS RECEIVED FROM SAID OBJECT.
Claim 2
Dependent Claim
115 words
A RADAR SYSTEM FOR OBTAINING DATA FOR DETERMINING THE TRANSVERSE VELOCITY COMPONENTS OF AN OBJECT IN FLIGHT, SAID SYSTEM COMPRISING RADAR MEANS FOR EMITTING RADAR SIGNALS TO THE OBJECT IN FLIGHT AND FOR RECEIVING RETURN SIGNALS THEREFROM, MEANS TO BE CARRIED IN SAID OBJECT FOR EMITTING A SIGNAL IN RESPONSE TO THE RADAR SIGNAL, TWO TRANSPONDERS DISPOSED IN KNOWN SPATIAL RELATIONSHIP WITH SAID RADAR MEANS, MEANS IN EACH TRASNPONDER FOR EMITTING A SIGNAL IN RESPONSE TO THE SIGNAL FROM SAID OBJECT, AND FURTHER MEANS IN SAID OBJECT FOR RELAYING THE SIGNALS FROM SAID TRANSPONDERS TO SAID RADAR MEANS, WHEREBY SAID RADAR MAY DERIVE THE TRANSVERSE VELOCITY COMPONENTS FROM THE SEVERAL SIGNALS RECEIVED FROM SAID OBJECT.
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) | 1969-04-11 | 1969-10-11 | 1970-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-11 | 1973-10-11 | 1974-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-11 | 1977-10-11 | 1978-04-12 | $7700.00 | Window Closed / Lapsed |