US PATENT SUBCLASS 343 / 798-- .~.~.~ Plural groups (e.g., stacked)

US PATENT SUBCLASS 343 / 798
.~.~.~ Plural groups (e.g., stacked)

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}
797	DF	.~.~ Plural crossed (e.g., turnstile) {1}
798		.~.~.~ Plural groups (e.g., stacked)

DEFINITION

Classification: 343/798

(under subclass 797) Subject matter wherein a plurality of doublets as therein defined is combined with a second distinct plurality of doublets as therein defined.

(1) Note. Usually this subject matter involves two or more distinct radially arranged (crossed over doublets) stacked along a support. The arrangements of the respective pluralities of doublets of the array may be the same or different within the scope of subclass 797. See subclass 794 above for combinations of single doublets of diverse type.

SEE OR SEARCH THIS CLASS, SUBCLASS:

774, for stacked bi-conical horn type antennas.

796, for helically or angularly staggered plural dipoles.

800, for plural groups of plural circumferentially arranged antennas. 884, for antennas with plural wire transmission lines or wave guides as a support for the antenna.