US PATENT SUBCLASS 375 / 263
.~.~.~ Partial response

Current as of: June, 1999
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375 /   HD   PULSE OR DIGITAL COMMUNICATIONS

259  DF  SYSTEMS USING ALTERNATING OR PULSATING CURRENT {4}
260  DF  .~ Plural channels for transmission of a single pulse train {2}
261  DF  .~.~ Quadrature amplitude modulation {4}
263.~.~.~ Partial response

DEFINITION

Classification: 375/263

Partial response:

(under subclass 261) Subject matter where the binary data rate is above the Nyquist rate (equal to twice the transmission bandwidth, and commonly regarded as the upper limit on the rate of binary data transmission) thereby dispersing the individual input pulses over more than one signalling interval.