US PATENT SUBCLASS 343 / 815
.~.~.~.~ With parasitic element (e.g., reflector or director)

Current as of: June, 1999
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343 /   HD   COMMUNICATIONS: RADIO WAVE ANTENNAS

700 R  DF  ANTENNAS {58}
793  DF  .~ Balanced doublet - centerfed (e.g., dipole) {17}
810  DF  .~.~ Plural {4}
812  DF  .~.~.~ Parallel arrangement {3}
815.~.~.~.~ With parasitic element (e.g., reflector or director)

DEFINITION

Classification: 343/815

(under subclass 812) Subject matter wherein the doublets are combined with conductive structure (usually metallic, e.g., rod) which reradiates into free space impinging radio waves coming from or going to the antennas.

SEE OR SEARCH THIS CLASS, SUBCLASS:

813, for parallelly and collinearly arranged antennas with a parasitic element.

818+, for single doublets with parasitic elements. See also the Search Notes, thereunder.