(under subclass 300) Subject matter in which the transducers are arranged to emit sound in conjunction with a television screen, computer monitor, motion picture screen, etc.
SEE OR SEARCH THIS CLASS, SUBCLASS:
333, for image presentation means combined with a loudspeaker
388, for image presentation means combined with a mounting or support feature of a housed loudspeaker
SEE OR SEARCH CLASS
353, Optics: Image Projectors,
15+, for sound accompaniment with an image projector
359, Optics: Systems and Elements, 444, for a projection screen with a sound producer
