(under subclass 39) Subject matter where one sideband of the transmitted signal is largely or entirely suppressed while the second sideband has little or no suppression.
(1) Note. The carrier is not suppressed.
(2) Note. In this class, the term asymmetric sideband is generic to single and vestigial sideband.
SEE OR SEARCH THIS CLASS, SUBCLASS:
46, for systems where the carrier is suppressed.
109, for amplitude modulated transmitters.
203, for single sideband receivers. 204, for vestigial sideband receivers.
SEE OR SEARCH CLASS
332, Modulators,
170+, for a single or vestigial sideband type amplitude modulator, per se.
348, Television, for vestigial sideband systems particular to television.
375, Pulse or Digital Communications,
270, for similar systems for transmitting pulse data.
