US3453633A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Beam pointing and gain correction of large spherical antennas
Assignee: Teledyne Ryan Aeronautical Corp
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Filing: 1966-05-03
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Granted: 1969-07-01
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Expires: 1986-05-03
Abstract
No abstract record available.
Inventors
- 👤 Edward T Phillips
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:13
CPC Classifications
H; H01; H01Q; H01Q19/00; H01Q19/10; H01Q19/12; H01Q19/15; G; G01; G01S; G01S7/00; G01S7/48; G01S7/481; G01S7/4811
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
IN A LARGE ANTENNA HAVING A SUBSTANTIALLY SPHERICAL REFLECTOR, WITH A LINE SOURCE FEED MOUNTED ON THE REFLECTOR AXIS AND HAVING A PLURALITY OF FEED ELEMENTS DIRECTED TO SELECTED ZONES OF THE REFLECTOR, A DISTORTION COMPONENSATING SYSTEM, COMPRISING: A DISTORTION DETECTING UNIT MOUNTED SUBSTANTIALLY AT THE CENTER OF RADIUS OF THE REFLECTOR, SAID UNIT HAVING MEANS TO OBSERVE SELECTED PORTIONS OF THE REFLECTOR, DETECT DEVIATIONS OF THE REFLECTOR SURFACE RELATIVE TO THE UNIT AND PROVIDE ERROR SIGNALS CORRESPONDING TO THE DEVIATIONS; MEANS TO ANALYZE THE ERROR SIGNALS AND PROVIDE CORRECTION SIGNALS REPRESENTING DEVIATIONS OF THE REFLECTOR RELATIVE TO A PREDETERMINED REFERENCE AXIS;
Claim 2
Dependent Claim
102 words
IN A LARGE ANTENNA HAVING A SUBSTANTIALLY SPHERICAL REFLECTOR, WITH A LINE SOURCE FEED MOUNTED ON THE REFLECTOR AXIS AND HAVING A PLURALITY OF FEED ELEMENTS DIRECTED TO SELECTED ZONES OF THE REFLECTOR, A DISTORTION COMPONENSATING SYSTEM, COMPRISING: A DISTORTION DETECTING UNIT MOUNTED SUBSTANTIALLY AT THE CENTER OF RADIUS OF THE REFLECTOR, SAID UNIT HAVING MEANS TO OBSERVE SELECTED PORTIONS OF THE REFLECTOR, DETECT DEVIATIONS OF THE REFLECTOR SURFACE RELATIVE TO THE UNIT AND PROVIDE ERROR SIGNALS CORRESPONDING TO THE DEVIATIONS; MEANS TO ANALYZE THE ERROR SIGNALS AND PROVIDE CORRECTION SIGNALS REPRESENTING DEVIATIONS OF THE REFLECTOR RELATIVE TO A PREDETERMINED REFERENCE AXIS;
References Cited (Backward Citations)
US2897493A
Cited
US3164835A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-30 | 1972-12-30 | 1973-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-30 | 1976-12-30 | 1977-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-30 | 1980-12-30 | 1981-07-01 | $7700.00 | Window Closed / Lapsed |