US3216014A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Doppler radar target simulator
Assignee: Individual
•
Filing: 1963-12-06
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Granted: 1965-11-02
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Expires: 1983-12-06
Abstract
No abstract record available.
Inventors
- 👤 John L Kerr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:53
CPC Classifications
G; G01; G01S; G01S7/00; G01S7/02; G01S7/40; G01S7/4004; G01S7/4021
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
A RADAR TARGET SIMULATOR COMPRISING AN ANNULAR HOLLOW WAVEGUIDE SPLIT MIDWAY ALONG A TRANSVERSE PLANE, ONE SPLIT SECTION HOLLOW WAVEGUIDE BEING STATIONARY AND THE OTHER WAVEGUIDE SECTIOON BEIONG ADAPTED TO BE ROTATED, WAVEGUIDE MEANS AFFIXED TO SAID STATIONARY SPLIT WAVE GUIDE SECTION FOR COUPLING RF ENERGY INTO AND OUT OF SAID ANNULAR HOLLOW WAVEGUIDE, A FIRST RF ENERGY REFLECTOR MOUNTED ADJACENT SAID COUPLING WAVEGUIDE ACROSS THE STATIONARY SPLIT WAVEGUIDE SECTION WHEREBY THE RF ENERGY IS REFLECTED IN ONE DIRECTION ALONG SAID ANNULAR HOLLOW WAVEGUIDE, AND A SECOND RF ENERGY REFLECTOR MOUNTED ACROSS THE ROTATING WAVEGUIDE SECTION FOR INTERCEPTING AND DIRECTING RF ENERGY TOWARD SAID WAVEGUIDE COUPLING MEANS.
Claim 2
Dependent Claim
107 words
A RADAR TARGET SIMULATOR COMPRISING AN ANNULAR HOLLOW WAVEGUIDE SPLIT MIDWAY ALONG A TRANSVERSE PLANE, ONE SPLIT SECTION HOLLOW WAVEGUIDE BEING STATIONARY AND THE OTHER WAVEGUIDE SECTIOON BEIONG ADAPTED TO BE ROTATED, WAVEGUIDE MEANS AFFIXED TO SAID STATIONARY SPLIT WAVE GUIDE SECTION FOR COUPLING RF ENERGY INTO AND OUT OF SAID ANNULAR HOLLOW WAVEGUIDE, A FIRST RF ENERGY REFLECTOR MOUNTED ADJACENT SAID COUPLING WAVEGUIDE ACROSS THE STATIONARY SPLIT WAVEGUIDE SECTION WHEREBY THE RF ENERGY IS REFLECTED IN ONE DIRECTION ALONG SAID ANNULAR HOLLOW WAVEGUIDE, AND A SECOND RF ENERGY REFLECTOR MOUNTED ACROSS THE ROTATING WAVEGUIDE SECTION FOR INTERCEPTING AND DIRECTING RF ENERGY TOWARD SAID WAVEGUIDE COUPLING MEANS.
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) | 1968-11-01 | 1969-05-03 | 1969-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-01 | 1973-05-03 | 1973-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-01 | 1977-05-03 | 1977-11-02 | $7700.00 | Window Closed / Lapsed |