US PATENT SUBCLASS 343 / 800
.~.~.~ Plural groups (e.g., stacked)


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



343 /   HD   COMMUNICATIONS: RADIO WAVE ANTENNAS

700 R  DF  ANTENNAS {58}
793  DF  .~ Balanced doublet - centerfed (e.g., dipole) {17}
799  DF  .~.~ Plural circumferentially arranged {1}
800.~.~.~ Plural groups (e.g., stacked)


DEFINITION

Classification: 343/800

(under subclass 799) Subject matter wherein a plurality of doublets as herein defined is combined with a second distinct plurality of doublets as therein defined.

(1) Note. Usually this subject matter involves two or more distinct circularly arranged arrays stacked along a support. The arrangements of the respective pluralities of doublets may be the same or different within the scope of subclass 799. See subclass 794 above for combinations of single doublets of diverse type.

SEE OR SEARCH THIS CLASS, SUBCLASS:

742, for high frequency loop type antennas which may be in diverse planes and stacked.

774, for biconical horn type antennas which may be stacked.

796, for helically or angularly staggered plural doublets.

798, for plural groups of plural radially arranged doublets. 835+, for plural active antennas with reflectors.

884, for antennas with plural wire transmission lines or wave guides as a support for the antenna.