US3202995A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Steerable circular traveling-wave antenna
Assignee: University of Tennessee Research Foundation
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Filing: 1961-03-03
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Granted: 1965-08-24
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Expires: 1981-03-03
Abstract
No abstract record available.
Inventors
- 👤 Floyd V Schultz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:57
CPC Classifications
H; H01; H01Q; H01Q3/00; H01Q3/24; H01Q3/242
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
170 words
A TRAVELING-WAVE ANTENNA COMPRISING A HORIZONTAL CIRCULAR LOOP HAVING A CIRCUMFERENCE OF FROM APPROXIMATETL THREE TO SEVEN WAVE LENGTHS, A PLURALITY OF DIAMETRICALLY OPPOSED BREAKS EQUALLY SPACED IN THE CIRCUMFERENCE OF SAID LOOP, SWITCHES NORMALLY CLOSING SAID BREAKS, A ROTARY SWITCHING STATION CENTRALLY DISPOSED WITHIN SAID LOOP, A GENERATOR AT SAID STATION, A TERMINATION IMPEDANCE AT SAIS STATION, A PAIR OF GENERATOR LEADS FROM SAID GENERATOR PARALLEL TO A RADIUS OF SAID LOOP, A PAIR OF TERMINATION IMPEDANCE LEADS FROM SAID TERMINATION IMPEDANCE IN THE SAME DIAMETER AS AND OPPOSITELY DISPOSED TO SAID GENERATOR LEADS, A PAIR OF LEADS FOR AND CONNECTED ACROSS EACH OF SAID BREAKS AND EXTENDING TO SAID STATION FOR SELECTIVE ENGAGEMENT BY SAID GENERATOR AND SAID IMPEDANCE LEADS UPON ROTATION OF SAID STATION, SAID SWITCHES BEING OPEN AT SAID BREAKS CONNECTED BY SAID PAIRS OF LEADS ENGAGED BY SAID GENERATOR AND SAID IMPEDANCE LEADS WHEREBY THE MAIN BEAM OF RADIATION OF SAID LOOP IS DIRECTED AWAY FROM THAT PAIR OF LEADS ENGAGED BY SAID GENERATOR LEADS.
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) | 1968-08-23 | 1969-02-22 | 1969-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-23 | 1973-02-22 | 1973-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-23 | 1977-02-22 | 1977-08-24 | $7700.00 | Window Closed / Lapsed |