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