US PATENT SUBCLASS 343 / 792
.~.~ Doublet type


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

700 R  DF  ANTENNAS {58}
790  DF  .~ Active sleeve surrounds feed line {2}
792.~.~ Doublet type


DEFINITION

Classification: 343/792

(under subclass 790) Subject matter wherein the sleeve is combined with a mass having a substantially similar external shape, and wherein the sleeve and mass are fed in balanced relation, at least one of the feed lines extending from one end within the sleeve at least a portion of the distance to the other end.

SEE OR SEARCH THIS CLASS, SUBCLASS:

791, for sleeve type antennas having in addition a rod type radiator.

793+, for balanced doublet type antennas in general, particularly subclass 802 for such antennas with distributed reactance, subclass 807 for such antennas thick or enlarged, and subclass 823 for such antennas having telescoping arms.