(under subclass 109) Subject matter wherein the stimulus is a sine or cosine waveform.
SEE OR SEARCH THIS CLASS, SUBCLASS:
66+, for wave form analysis.
SEE OR SEARCH CLASS
324, Electricity: Measuring and Testing,
72+, for testing potential in a specific environment, subclasses 76.11+ for testing of electricity, per se, and particularly subclasses 76.12+ for an analysis of complex waves.