Patent US3242491A successfully refreshed from Google Patents.
US3242491A
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US
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Inverted v-beam antenna system
Assignee: Raytheon Co
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Filing: 1962-12-12
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Granted: 1966-03-22
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Expires: 1982-12-12
Abstract
No abstract record available.
Inventors
- 👤 Charles F Winter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:58
CPC Classifications
H; H01; H01Q; H01Q25/00; G; G01; G01S; G01S1/00; G01S1/02; G01S13/00; G01S13/88; G01S13/91; G01S13/913; H01Q19/00; H01Q19/10; H01Q19/12; H01Q19/17; H01Q19/175; H01Q3/00; H01Q3/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
AN INVERTED V-BEAM ANTENNA SYSTEM ADAPTED TO SCAN A PORTION OF A SPHERICAL VOLUME OF SPACE OF PROVIDE ACCURATE ELEVATION MEASUREMENTS OVER A SUBSTANTIALLY 90* RANGE OF ANGLES AND SIMULTANEOUSLY PROVIDE THE GREATEST SENSITIVITY OF MEASUREMENT AT THE LOW ELEVATION ANGLES COMPRISING MEANS FOR PROVIDING A PLRALITY OF SHAPED BEAMS, AND MEANS FOR DIRECTING AT LEAST ONE OF SAID PLURALITY OF SHAPED BEAMS ALONG A SMALL CIRCLE ARC INTERSECTING THE ZENITH OF SAID VOLUME SUCH THAT THE SPREAD BETWEEN SAID AT LEAST ONE BEAM AND AT LEAST ONE ANOTHER BEAM DECREASES WITH INCREASING HEIGHT ABOVE SAID ANTENNA SYSTEM.
Claim 2
Dependent Claim
98 words
AN INVERTED V-BEAM ANTENNA SYSTEM ADAPTED TO SCAN A PORTION OF A SPHERICAL VOLUME OF SPACE OF PROVIDE ACCURATE ELEVATION MEASUREMENTS OVER A SUBSTANTIALLY 90* RANGE OF ANGLES AND SIMULTANEOUSLY PROVIDE THE GREATEST SENSITIVITY OF MEASUREMENT AT THE LOW ELEVATION ANGLES COMPRISING MEANS FOR PROVIDING A PLRALITY OF SHAPED BEAMS, AND MEANS FOR DIRECTING AT LEAST ONE OF SAID PLURALITY OF SHAPED BEAMS ALONG A SMALL CIRCLE ARC INTERSECTING THE ZENITH OF SAID VOLUME SUCH THAT THE SPREAD BETWEEN SAID AT LEAST ONE BEAM AND AT LEAST ONE ANOTHER BEAM DECREASES WITH INCREASING HEIGHT ABOVE SAID ANTENNA SYSTEM.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-21 | 1969-09-20 | 1970-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-21 | 1973-09-20 | 1974-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-21 | 1977-09-20 | 1978-03-22 | $7700.00 | Window Closed / Lapsed |