Patent US3752739A successfully refreshed from Google Patents.
US3277481A
Expired / Lapsed
US
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Antenna beam stabilizer
Assignee: Hazeltine Research Inc
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Filing: 1964-02-26
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Granted: 1966-10-04
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Expires: 1984-02-26
Abstract
No abstract record available.
Inventors
- 👤 Robin Norman
- 👤 Harold A Wheeler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:44
CPC Classifications
H; H01; H01Q; H01Q3/00; H01Q3/26; H01Q3/30; H01Q3/32; H01Q1/00; H01Q1/12; H01Q1/18; H01Q1/185
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
IN AN ARRAY ANTENNA SYSTEM SUBJECT TO TILTING, WHICH UTILIZES A PLURALITY OF RADIATING ELEMENTS FED BY A PLURALITY OF TRANSMISSION TO RADIATE A BEAM, APPARATUS FOR STABILZING THE ANTENNA BEAM COMPRISING: DIELECTRIC MEANS FOR PRODUCING PHASE SHIFTS BY VARYING THE WAVE VELOCITY CHARACTERISTICS OF PORTIONS OF SAID TRANSMISSION LINES; AND SECOND MEANS FOR MAINTAINING SAID DIELECTRIC MEANS IN SUBSTANTIALLY FIXED POSITIONS SO THAT CHANGES IN POSITION OF SAID TRANSMISSION LINES DUE TO TILTING OF THE ANTENNA SYSTEM RESULT IN CHANGES IN THE RELATIVE POSITION OF SAID DIELECTRIC MEANS AND SAID TRANSMISSION LINES; THE APPARATUS BEING SO CONSTRUCTED AND ARRANGED THAT SAID CHANGES IN RELATIVE POSITION PRODUCE PHASE SHIFTS IN SAID TRANSMISSION LINES WHICH ARE EFFECTIVE TO SUBSTANTIALLY STABILIZE THE ANTENNA BEAM IN SPITE OF TILTING OF THE ANTENNA SYSTEM.
Claim 2
Dependent Claim
130 words
IN AN ARRAY ANTENNA SYSTEM SUBJECT TO TILTING, WHICH UTILIZES A PLURALITY OF RADIATING ELEMENTS FED BY A PLURALITY OF TRANSMISSION TO RADIATE A BEAM, APPARATUS FOR STABILZING THE ANTENNA BEAM COMPRISING: DIELECTRIC MEANS FOR PRODUCING PHASE SHIFTS BY VARYING THE WAVE VELOCITY CHARACTERISTICS OF PORTIONS OF SAID TRANSMISSION LINES; AND SECOND MEANS FOR MAINTAINING SAID DIELECTRIC MEANS IN SUBSTANTIALLY FIXED POSITIONS SO THAT CHANGES IN POSITION OF SAID TRANSMISSION LINES DUE TO TILTING OF THE ANTENNA SYSTEM RESULT IN CHANGES IN THE RELATIVE POSITION OF SAID DIELECTRIC MEANS AND SAID TRANSMISSION LINES; THE APPARATUS BEING SO CONSTRUCTED AND ARRANGED THAT SAID CHANGES IN RELATIVE POSITION PRODUCE PHASE SHIFTS IN SAID TRANSMISSION LINES WHICH ARE EFFECTIVE TO SUBSTANTIALLY STABILIZE THE ANTENNA BEAM IN SPITE OF TILTING OF THE ANTENNA SYSTEM.
References Cited (Backward Citations)
US3178679A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |