US3286268A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Log periodic antenna with parasitic elements interspersed in log periodic manner
Assignee: GTE Sylvania Inc
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Filing: 1964-01-02
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Granted: 1966-11-15
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Expires: 1984-01-02
Abstract
No abstract record available.
Inventors
- 👤 Barbano Normand
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:13
CPC Classifications
H; H01; H01Q; H01Q11/00; H01Q11/02; H01Q11/10; H01Q11/105
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
146 words
A LOG PERIODIC ANTENNA HAVING AN AXIS AND AN END FIRE PATTERN EXTENDING IN A GIVEN DIRECTION COMPRISING AN ANTENNA FEED COMPRISING A PAIR OF CONDUCTORS, A PLURALITY OF RADIATING ELEMENTS DIRECTLY ELECTRICALLY CONNECTED TO AT LEAST ONE OF SAID CONDUCTORS AND EXTENDING IN A DIRECTION TRANSVERSE TO SAID AXIS WITH THE ENDS THEREOF REMOTE FROM SAID CONNECTION ALIGNED IN A STRAIGHT LINE WHICH CONVERGES TOWARD THE AXIS, ALL OF SAID RADIATING ELEMENTS WHICH ARE ON ONE SIDE OF THE AXIS BEING CONNECTED TO THE SAME ONE OF SAID CONDUCTORS, AND A PLURALITY OF PARASITIC ELEMENTS, AT LEAST ONE OF SAID PARASITIC ELEMENTS BEING LOCATED BETWEEN SAID PAIR OF ADJACENT RADIATING ELEMENTS, THE AXIAL SPACING OF SUCCESSIVE ONES OF ALL OF SAID RADIATING AND PARASITIC ELEMENTS INCREASING IN THE DIRECTION FROM THE POINT OF CONVERGENCE TO THE OPPOSITE END OF THE ANTENNA ACCORDING TO THE RELATIONSHIP
References Cited (Backward Citations)
US3123827A
Cited
US2716703A
Cited
US3082422A
Cited
US3113316A
Cited
US3092835A
Cited
USRE25604E
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |