Communications: radio wave antennas – Antennas – Balanced doublet - centerfed
Patent
1994-03-18
1995-11-21
Hajec, Donald
Communications: radio wave antennas
Antennas
Balanced doublet - centerfed
343820, 343812, 343839, H01Q 2112
Patent
active
054691818
ABSTRACT:
The invention provides a broadband directional antenna having a central reflector plate, a dipole and at least one side reflector panel. The dipole is arranged on the central reflector plate for radiating a radio frequency signal, including a binary feed network having a microstrip transmission line and a colinear array of radiating elements. The side reflector panel is hinged to the central reflector plate for adjusting the horizontal radiation beamwidth of the radio frequency signal.
REFERENCES:
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patent: 2535049 (1950-12-01), Derosa
patent: 3882503 (1975-05-01), Gamara
patent: 3938162 (1976-02-01), Schmidt
patent: 4253100 (1981-02-01), Commault et al.
patent: 4314253 (1982-02-01), Sayovitz
patent: 4529277 (1985-07-01), Gee et al.
patent: 4535961 (1985-08-01), Sobczak et al.
patent: 4612550 (1986-09-01), Brucker et al.
patent: 4646102 (1987-02-01), Akaeda et al.
patent: 4792815 (1988-12-01), Moisdon
patent: 4868578 (1989-09-01), Bruinsma et al.
Celwave
Hajec Donald
Ho Tan
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