US3071768A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rapid scan antenna with lens for correction of aberration
Assignee: Individual
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Filing: 1960-10-04
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Granted: 1963-01-01
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Expires: 1980-10-04
Abstract
No abstract record available.
Inventors
- 👤 Allen S Dunbar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:48
CPC Classifications
H; H01; H01Q; H01Q15/00; H01Q15/23; H01Q3/00; H01Q3/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
187 words
A RAPID SCAN ANTENNA SYSTEM COMPRISING: A DOUBLE LAYER PILLBOX INCLUDING TOP AND BOTTOM METALLIC PLATES THAT ARE RESPECTIVELY PORTIONS OF A DISK HAVING A RADIUS R, A MIDDLE PLATE THAT IS A PORTION A DISK WITH A RADIUS SUBSTANTIALLY LESS THAN R, AND A REFLECTOR HAVING A REFLECTTING SURFACE IN THE FORM OF A PORTION OF A CYLINDER OF RADIUS R AND DISPOSED ABOUT SAID TOP AND BOTTOM PLATES TO SERVE AS A BOUNDARY FOR SUCH PILLBOX, SAID REFLECTOR HAVING ABERRATION OF A GIVEN SIGN; A DIELECTRIC LENS COAXIAL WITH SAID REFLECTOR AND DISPOSED PARTIALLY BETWEEN SAID TOP AND MIDDLE PLATES AND PARTIALLY BETWEEN SAID BOTTOM AND MIDDLE PLATES, THE OUTER CIRCUMFERNCE OF SAID LENS HAVING CORRECT THE ABERRATION THEREOF; AND ROTATABLE SCANNING MEANS DISPOSED ADJACENT TO SAID PILLBOX SUBSTANTIALLY AT A POINT ALONG THE AXIS OF THE REFLECTOR-LENS COMBINATION CORRESPONDING TO THE FOCUS THEREOF FOR DIRECTING MICROWAVE ELECTROMAGNETIC ENERGY THROUGH SAID LENS TOWARD THE REFLECTING SURFACE OF SAID REFLECTOR THROUGH A GIVEN ANGULAR SECTOR, THE RATIO OF THE FOCAL LENGTH OF THE REFLECTOR-LENS COMBINATION TO THE EFFECTIVE APERTUR OF SAID REFLECTOR BEING LESS THAN 1.
Claim 2
Dependent Claim
187 words
A RAPID SCAN ANTENNA SYSTEM COMPRISING: A DOUBLE LAYER PILLBOX INCLUDING TOP AND BOTTOM METALLIC PLATES THAT ARE RESPECTIVELY PORTIONS OF A DISK HAVING A RADIUS R, A MIDDLE PLATE THAT IS A PORTION A DISK WITH A RADIUS SUBSTANTIALLY LESS THAN R, AND A REFLECTOR HAVING A REFLECTTING SURFACE IN THE FORM OF A PORTION OF A CYLINDER OF RADIUS R AND DISPOSED ABOUT SAID TOP AND BOTTOM PLATES TO SERVE AS A BOUNDARY FOR SUCH PILLBOX, SAID REFLECTOR HAVING ABERRATION OF A GIVEN SIGN; A DIELECTRIC LENS COAXIAL WITH SAID REFLECTOR AND DISPOSED PARTIALLY BETWEEN SAID TOP AND MIDDLE PLATES AND PARTIALLY BETWEEN SAID BOTTOM AND MIDDLE PLATES, THE OUTER CIRCUMFERNCE OF SAID LENS HAVING CORRECT THE ABERRATION THEREOF; AND ROTATABLE SCANNING MEANS DISPOSED ADJACENT TO SAID PILLBOX SUBSTANTIALLY AT A POINT ALONG THE AXIS OF THE REFLECTOR-LENS COMBINATION CORRESPONDING TO THE FOCUS THEREOF FOR DIRECTING MICROWAVE ELECTROMAGNETIC ENERGY THROUGH SAID LENS TOWARD THE REFLECTING SURFACE OF SAID REFLECTOR THROUGH A GIVEN ANGULAR SECTOR, THE RATIO OF THE FOCAL LENGTH OF THE REFLECTOR-LENS COMBINATION TO THE EFFECTIVE APERTUR OF SAID REFLECTOR BEING LESS THAN 1.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-31 | 1966-07-02 | 1967-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-31 | 1970-07-02 | 1971-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-31 | 1974-07-02 | 1975-01-01 | $7700.00 | Window Closed / Lapsed |