US PATENT SUBCLASS 343 / 893
.~ Plural antennas
Current as of:
June, 1999
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343 /
HD
COMMUNICATIONS: RADIO WAVE ANTENNAS
700 R
DF
ANTENNAS
{58}
893
.~ Plural antennas
DEFINITION
Classification: 343/893
(under subclass 700) Combinations of two or more antennas and not specially provided for above.
(1) Note. Antennas of no particular type and with no significant spacing or coupling, but arranged in particular patterns, are classified here.
SEE OR SEARCH THIS CLASS, SUBCLASS:
725+, for plural separate diverse type antennas.
729+, for plural diverse type antennas using the same active element.
737, for plural traveling wave type antennas.
742, for plural high frequency type loops. 751, for plural antennas having lumped reactance for loading.
758, for plural relatively movable directive antennas with means for moving, for scanning, sweeping or orienting.
770+, for plural slot type antennas.
774, for stacked biconical horn type antennas.
776, for plural wave guide type antennas.
794, 796, 797+, 799+, and 810+, for plural center-fed doublet antennas.
824, for planar type high frequency arrays.
826+, for plural linear type antennas of fractional, multiple or full wave length.
835+, for plural active antennas with a reflector.
844, for plural antennas spaced a fractional or full wave length apart.
852, for plural antennas with impedance matching coupling. 853+, for plural antennas with coupling networks.
867, for plural loop type antennas.
876, for antennas with switching between the antennas and line.
879, for plural separate antennas with a support.
SEE OR SEARCH CLASS
342, Communications: Directive Radio Wave System and Devices (e.g., Radar, Radio Navigation),
1, 205 for radio wave energy communications systems, which may have a plurality of antennas.
455, Telecommunications,
272+, for receivers which may have a plurality of antennas.
