(under subclass 773) Subject matter wherein the bi-conical horn type antenna as therein defined is combined with external conductive structure which reradiates into free space impinging radio waves coming from or going to the antenna.
SEE OR SEARCH THIS CLASS, SUBCLASS:
755, for antennas with spaced radio wave lenses or diffractors and reflectors.
779, for plural wave guide type antennas generally with a reflector.
780, for "pillbox" type antennas.
781+, for single wave guide type antennas with a reflector. 834+, and the Search Notes thereunder, for antennas with reflectors in general.
