US3089137A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polarization tracking receiver
Assignee: AT&T Inc
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Filing: 1959-07-01
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Granted: 1963-05-07
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Expires: 1979-07-01
Abstract
No abstract record available.
Inventors
- 👤 John R Pierce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:53
CPC Classifications
H; H01; H01Q; H01Q21/00; H01Q21/24; H01Q21/245
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
IN A SYSTEM FOR RECEIVING LINEARLY POLARIZED WAVES OF VARYING POLARIZATION, AN ANTENNA CAPABLE OF DELIVERING TO ITS FEED POINT LINEARLY POLARIZED WAVES OF ANY POLARIZATION, A RECEIVER FOR LINEARLY POLARIZED WAVES, AND TRANSMISSION MEANS INTERCONNECTING THE FEED POINT OF SAID ANTENNA AND SAID RECEIVER AND RESPONSIVE WITH GREATEST EFFICIENCY TO LINEARLY POLARIZED WAVES HAVING A PARTICULAR PLANE OF POLARIZATION, MEANS FOR CONTINUOUSLY OSCILLATING THE SAID PARTICULAR PLANE OF POLARIZATION THROUGH A SMALL ANGLE, SEPARATE MEANS FOR STORING THE OUTPUTS OF SAID RECEIVER DURING THE RESPECTIVE HALVES OF THE ROTATION OF SAID
Claim 2
Dependent Claim
92 words
IN A SYSTEM FOR RECEIVING LINEARLY POLARIZED WAVES OF VARYING POLARIZATION, AN ANTENNA CAPABLE OF DELIVERING TO ITS FEED POINT LINEARLY POLARIZED WAVES OF ANY POLARIZATION, A RECEIVER FOR LINEARLY POLARIZED WAVES, AND TRANSMISSION MEANS INTERCONNECTING THE FEED POINT OF SAID ANTENNA AND SAID RECEIVER AND RESPONSIVE WITH GREATEST EFFICIENCY TO LINEARLY POLARIZED WAVES HAVING A PARTICULAR PLANE OF POLARIZATION, MEANS FOR CONTINUOUSLY OSCILLATING THE SAID PARTICULAR PLANE OF POLARIZATION THROUGH A SMALL ANGLE, SEPARATE MEANS FOR STORING THE OUTPUTS OF SAID RECEIVER DURING THE RESPECTIVE HALVES OF THE ROTATION OF SAID
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) | 1966-05-06 | 1966-11-05 | 1967-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-06 | 1970-11-05 | 1971-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-06 | 1974-11-05 | 1975-05-07 | $7700.00 | Window Closed / Lapsed |