.~.~ Parabolic-type reflector with active antenna at focus
DEFINITION
Classification: 343/840
(under subclass 834) Subject matter wherein the reflector presents a reflecting surface having a parabolic contour in at least one plane, and the active antenna is positioned at the focus of the parabola.
(1) Note. The reflector may be a sheet, screen, or group of rods, provided the parabolic contour is present. It may include reflecting portions which are not parabolic.
SEE OR SEARCH THIS CLASS, SUBCLASS:
775, 779 and 781+, for wave guide type antennas with a reflector in which the reflector may be of the parabolic type.
815, 817 and 818+, for center-fed balanced doublet type antennas with a reflector in which the reflector may be of the parabolic type.