US PATENT SUBCLASS 343 / 848
.~.~ Artificial or substitute grounds (e.g., ground planes)


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

700 R  DF  ANTENNAS {58}
846  DF  .~ With grounding structure (including counterpoises) {3}
848.~.~ Artificial or substitute grounds (e.g., ground planes)


DEFINITION

Classification: 343/848

(under subclass 846) Subject matter wherein the grounding structure for the antenna includes conductive structure used in place of the earth and which grounding structure is distinct from the earth.

SEE OR SEARCH THIS CLASS, SUBCLASS:

705+, and 709+, for antennas combined with devices suspended in air or water, respectively, in which the device may serve in whole or in part as an artificial ground.

711+, for antennas combined with vehicles wherein the vehicle may form or is part of an artificial ground.

829+, for multiple, fractional, or full wave linear type

antennas with a ground plane.