US PATENT SUBCLASS 181 / 143
MOVING SOUND PRODUCER OR DEFLECTOR


Current as of: June, 1999
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181 /   HD   ACOUSTICS

143MOVING SOUND PRODUCER OR DEFLECTOR


DEFINITION

Classification: 181/143

(under the class definition) Subject matter for continuously moving a sound source (e.g., loudspeaker) or for continuously moving a sound reflector located in the sound path.

(1) Note. The continuous motion is generally designed to produce a tremulant effect.