US PATENT SUBCLASS 342 / 192
.~ Spectrum analysis

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

175  DF  WITH PARTICULAR CIRCUIT {13}
192.~ Spectrum analysis {1}
193  DF  .~.~> Harmonic

DEFINITION

Classification: 342/192

Spectrum analysis:

(under subclass 175) Subject matter including means to study the energy distribution of the returned radar signal.

SEE OR SEARCH CLASS

324, Electricity: Measuring and Testing,

76.12+, for complex wave analysis of electrical signals, per se.