US4145696A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Broad band, omnidirectional UHF, VHF antenna
Assignee: LANNIONNAISE D ELECTRONIQUE SLE CITEREL Ste
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Filing: 1976-12-27
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Granted: 1979-03-20
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Expires: 1996-12-27
Abstract
Abstract An omnidirectional, broad-band antenna for installation on a vertical mast. The antenna is formed of one or more superposed arrays of elementary antennas in the form of log-periodic alignments of vertical dipoles. Particularly for use in ground stations for ground-air communications.
Inventors
- 👤 Michel Gueguen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:33
CPC Classifications
H; H01; H01Q; H01Q11/00; H01Q11/02; H01Q11/10; H01Q21/00; H01Q21/06; H01Q21/20; H01Q21/205
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
37 words
An omnidirectional, wide-band antenna for installation at some intermediate point on a supporting mast, said antenna comprising a single array of three identical log-periodic alignments of vertical dipoles, fed in-phase and disposed at 120° to each other.
Claim 2
Dependent Claim
37 words
An omnidirectional, wide-band antenna for installation at some intermediate point on a supporting mast, said antenna comprising a single array of three identical log-periodic alignments of vertical dipoles, fed in-phase and disposed at 120° to each other.
Claim 3
Dependent Claim
42 words
An omnidirectional, wide-band antenna for installation at some intermediate point on a supporting mast, said antenna comprising at least two superposed arrays each of which comprises three identical log-periodic alignments of vertical dipoles, fed in-phase and disposed at 120° to each other.
Claim 4
Dependent Claim
42 words
An omnidirectional, wide-band antenna for installation at some intermediate point on a supporting mast, said antenna comprising at least two superposed arrays each of which comprises three identical log-periodic alignments of vertical dipoles, fed in-phase and disposed at 120° to each other.
Claim 5
Dependent Claim
37 words
An omnidirectional, wide-band antenna for installation at some intermediate point on a supporting mast, said antenna comprising a single array of two identical log-periodic alignments of vertical dipoles, fed in-phase and disposed at 180° to each other.
Claim 6
Dependent Claim
37 words
An omnidirectional, wide-band antenna for installation at some intermediate point on a supporting mast, said antenna comprising a single array of two identical log-periodic alignments of vertical dipoles, fed in-phase and disposed at 180° to each other.
Claim 7
Dependent Claim
42 words
An omnidirectional, wide-band antenna for installation at some intermediate point on a supporting mast, said antenna comprising at least two superposed arrays each of which comprises two identical log-periodic alignments of vertical dipoles, fed in-phase, and disposed at 180° to each other.
Claim 8
Dependent Claim
42 words
An omnidirectional, wide-band antenna for installation at some intermediate point on a supporting mast, said antenna comprising at least two superposed arrays each of which comprises two identical log-periodic alignments of vertical dipoles, fed in-phase, and disposed at 180° to each other.
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) | 1982-03-19 | 1982-09-18 | 1983-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-03-19 | 1986-09-18 | 1987-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-03-19 | 1990-09-18 | 1991-03-20 | $7700.00 | Window Closed / Lapsed |