US3309702A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radar indication system
Assignee: Individual
•
Filing: 1946-05-22
•
Granted: 1967-03-14
•
Expires: 1966-05-22
Abstract
No abstract record available.
Inventors
- 👤 Harold L Saxton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:38
CPC Classifications
G; G01; G01S; G01S1/00; G01S1/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
IN A SYSTEM OF ECHO DETECTION WHEREIN A GIVEN FIELD IN SPACE IS SCANNED BY A BEAM OF PERIODICALLY EMITTED ENERGY AND RERADIATIONS OF SAID ENERGY FROM AN OBJECT WITHIN SAID FIELD ARE RECEIVED, MEANS PROVIDING A PLOT OF THE RANGE AND DIRECTION OF SAID OBJECT COMPRISING, IN COMBINATION, A CATHODE RAY TUBE, FIRST TIME BASE GENERATING MEANS, MEANS SYNCHRONIZING SAID FIRST GENERATING MEANS WITH THE SCANNING OF SAID BEAM, SECOND TIME BASE GENERATING MEANS, MEANS OPERATIVE TO VARY THE TRACE VELOCITY OF THE SECOND TIME BASE IN INVERSE RELATION TO THE RANGE OF SAID OBJECTS, MEANS COUPLING BOTH OF THE TIME BASES TO SAID TUBE TO PRODUCE MUTUALLY PERPENDICULAR TIME BASE LOCI ON THE SCREEN OF SAID TUBE, AND MEANS OPERATIVE ON RECEIVING RERADIATIONS OF ENERGY TO EFFECT AN INDICATION ON SAID TIME BASE LOCI.
Claim 2
Dependent Claim
136 words
IN A SYSTEM OF ECHO DETECTION WHEREIN A GIVEN FIELD IN SPACE IS SCANNED BY A BEAM OF PERIODICALLY EMITTED ENERGY AND RERADIATIONS OF SAID ENERGY FROM AN OBJECT WITHIN SAID FIELD ARE RECEIVED, MEANS PROVIDING A PLOT OF THE RANGE AND DIRECTION OF SAID OBJECT COMPRISING, IN COMBINATION, A CATHODE RAY TUBE, FIRST TIME BASE GENERATING MEANS, MEANS SYNCHRONIZING SAID FIRST GENERATING MEANS WITH THE SCANNING OF SAID BEAM, SECOND TIME BASE GENERATING MEANS, MEANS OPERATIVE TO VARY THE TRACE VELOCITY OF THE SECOND TIME BASE IN INVERSE RELATION TO THE RANGE OF SAID OBJECTS, MEANS COUPLING BOTH OF THE TIME BASES TO SAID TUBE TO PRODUCE MUTUALLY PERPENDICULAR TIME BASE LOCI ON THE SCREEN OF SAID TUBE, AND MEANS OPERATIVE ON RECEIVING RERADIATIONS OF ENERGY TO EFFECT AN INDICATION ON SAID TIME BASE LOCI.
References Cited (Backward Citations)
US2419205A
Cited
US2426201A
Cited
US2421747A
Cited
US2480208A
Cited
US2538800A
Cited
US2546970A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |