IPC Subgroup
G10K 11/02 Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators
Introduced: September 1968
Last revised: January 2006
Full Title
Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general > Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators
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
acoustic HORN(S)acoustic IMPEDANCE(S)TRUMPETS for directive sound transmission
1 direct subcode
Child Classifications
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- G10K 11/04 Acoustic filters