US PATENT SUBCLASS 342 / 361
.~ Including polarized signal communication transmitter or receiver

Current as of: June, 1999
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342 /   HD   COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION)

350  DF  DIRECTIVE {10}
361.~ Including polarized signal communication transmitter or receiver {3}
362  DF  .~.~> Receiver only {2}
365  DF  .~.~> Circular
366  DF  .~.~> Eliptical

DEFINITION

Classification: 342/361

Including polarized signal communication transmitter or receiver:

(under subclass 350) Subject matter including a transmitter/receiver apparatus which utilizes radio wave energy have a quality that varies according to the polarization of the signal.

(1) Note. Since all radio systems have a transmitted wave which is polarized, this and indented subclasses include only those systems whose operation depends on, or is specially designed to produce, a particular mode of polarization.

SEE OR SEARCH CLASS

333, Wave Transmission Lines and Networks,

21, for polarization converters (waveguide).

343, Communications: Radio Wave Antennas,

756, for antennas with polarization converter or filter.