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IPC Main Group
G10K 13/00

Cones, diaphragms, or the like, for emitting or receiving sound in general

Introduced: September 1968

Last revised: January 2006

Classification Context

Section:
PHYSICS
Class:
MUSICAL INSTRUMENTS; ACOUSTICS
Subclass:
SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR

Related Keywords

CONES for emitting or receiving soundDIAPHRAGMS for emitting or receiving sound