Patent US3179943A successfully refreshed from Google Patents.
US3179943A
Expired / Lapsed
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Log periodic monopole array and image ground plane elements alternately connected toplural feed lines
Assignee: Individual
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Filing: 1962-02-12
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Granted: 1965-04-20
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Expires: 1982-02-12
Abstract
No abstract record available.
Inventors
- 👤 James M Buzbee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:26
CPC Classifications
H; H01; H01Q; H01Q11/00; H01Q11/02; H01Q11/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
A LOG-PERIODIC MONOPOLE ANTENNA ARRAY COMPRISING: A PLURALITY OF RADIATING ELEMENTS HAVING CENTRAL AXES DISPOSED IN A PLANE WITH THE LENGTH AND SPACING OF SAID ELEMENTS PROGRESSIVELY INCREASING FROM ONE END OF SAID ARRAY IN ACCORDANCE WITH A LOGARITHMIC FUNCTION; AN IMAGE ELEMENT FOR EACH SAID RADIATING ELEMENT AND EXTENDING SYMMETRICALLY AND LATERALLY OUTWARDLY FROM SAID PLANE ON EITHER SIDE OF SAID RESPECTIVE RADIATING ELEMENT FROM A POINT SUBSTANTIALLY AT AN END THEREOF, WITH EACH SIDE OF EACH SAID IMAGE ELEMENT HAVING A MINIMUM LENGTH SUBSTANTIALLY EQUAL TO THAT OF THE CORRESPONDING RADIATING ELE-
Claim 2
Dependent Claim
94 words
A LOG-PERIODIC MONOPOLE ANTENNA ARRAY COMPRISING: A PLURALITY OF RADIATING ELEMENTS HAVING CENTRAL AXES DISPOSED IN A PLANE WITH THE LENGTH AND SPACING OF SAID ELEMENTS PROGRESSIVELY INCREASING FROM ONE END OF SAID ARRAY IN ACCORDANCE WITH A LOGARITHMIC FUNCTION; AN IMAGE ELEMENT FOR EACH SAID RADIATING ELEMENT AND EXTENDING SYMMETRICALLY AND LATERALLY OUTWARDLY FROM SAID PLANE ON EITHER SIDE OF SAID RESPECTIVE RADIATING ELEMENT FROM A POINT SUBSTANTIALLY AT AN END THEREOF, WITH EACH SIDE OF EACH SAID IMAGE ELEMENT HAVING A MINIMUM LENGTH SUBSTANTIALLY EQUAL TO THAT OF THE CORRESPONDING RADIATING ELE-
References Cited (Backward Citations)
GB884889A
Cited
US2982959A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-19 | 1968-10-19 | 1969-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-19 | 1972-10-19 | 1973-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-19 | 1976-10-19 | 1977-04-20 | $7700.00 | Window Closed / Lapsed |