(under the class definition) Subject matter in which a signal to be transmitted is sampled or compared and then converted into a digital pulse train which represents the amplitude of the sampled signal at the instant of sampling or comparison, and this digital pulse train is transmitted so it may be reconverted into a duplicate of the original signal at a receiver.
SEE OR SEARCH CLASS
332, Modulators,
106+, for a pulse modulator, per se.
341, Coded Data Generation or Conversion, for code converters to convert from analog or digital information appropriate subclasses to pulse code.
348, Television,
488+, for pulse code modulation television transmission.
370, Multiplex Communications, appropriate subclass for pulse code type modulation.
