Communications: radio wave antennas – Antennas – With vehicle
Patent
1985-10-15
1987-05-05
Lieberman, Eli
Communications: radio wave antennas
Antennas
With vehicle
343880, 343840, H01Q 132
Patent
active
046636331
ABSTRACT:
A satellite antenna particularly adapted for use on a recreational vehicle such as a house trailer or mobile home, having a roof surface, the antenna including a base plate mounted on the vehicle roof surface, a support plate rotatably secured to the base plate and rotatable about a generally vertical axis for at least about 360 degrees, a parabolic satellite signal reflector having a focal axis, the reflector being pivotally secured to the support member, a variable length member, such as a screw type cylinder for selectively pivoting the parabolic reflector relative to the support member, and a feed arm pivotally secured to one end to the parabolic reflector, a signal receiving feed horn mounted on the other end of the feed arm, the feed arm being pivotal to a position wherein the feed horn is coincident with the focus apex of the reflector and to a rest position in which the feed horn is retained within the confines of the reflector interior surface and linkage means to automatically pivot the feed arm to the rest position when the parabolic reflector is pivoted to the rest position.
REFERENCES:
patent: 3412404 (1968-11-01), Bergling
patent: 3739387 (1973-06-01), Budrow et al.
patent: 4309708 (1982-01-01), Sayovitz
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