Panel antenna having groups of dipoles fed with insertable delay

Details Panel antenna having groups of dipoles fed with insertable delay Panel antenna having groups of dipoles fed with insertable delay

1993-11-02

1995-08-08

Wimer, Michael C.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

343815, 343822, 343861, 343882, 342375, H01Q 320, H01Q 330, H01Q 2112

Patent

active

054403189

ABSTRACT:
A panel antenna suitable for use in cellular communication applications provided with means for mechanically and electrically adjusting the tilt of the antenna beam. Electrical down tilt being achieved by varying the length of a first feed line to a group of dipole pairs. Mechanical down tilting of the antenna beam being achieved by tilting the antenna ground plane and dipole driver assembly with respect to a housing.

REFERENCES:
patent: 2462881 (1949-03-01), Marchetti
patent: 2533054 (1950-12-01), Schouten
patent: 3249946 (1966-05-01), Flanagan
patent: 3747114 (1973-07-01), Shyhalla
patent: 3750185 (1973-07-01), Evans
patent: 3887925 (1975-06-01), Ranghelli et al.
patent: 4563687 (1986-01-01), Berger
patent: 4710778 (1987-12-01), Radov
patent: 4843402 (1989-06-01), Clement
patent: 5012256 (1991-04-01), Maddocks
Yoshihide and Kijima, "Low sidelobe and tilted beam base station antennas for smaller cell systems," (IEEE pp. 138-141, 1989).

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