Methods or devices for transmitting, conducting or directing sound (G10K11/02, G10K11/36 take precedence)

Introduced: January 1980

Title

Titles differ between systems:

IPC: Methods or devices for transmitting, conducting or directing sound

CPC: Methods or devices for transmitting, conducting or directing sound (G10K11/02, G10K11/36 take precedence)

Full Title

Full titles differ between systems:

IPC:

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 > Methods or devices for transmitting, conducting or directing sound

CPC:

IPC and CPC are identically structured here. All 4 subcodes exist in both systems.

1 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 1980.

Child Classifications

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G10K 11/20 Reflecting arrangements (G10K11/28 takes precedence) since 1980 +1 CPC IPC+CPC Available in IPC and CPC
G10K 11/22 for conducting sound through hollow pipes, e.g. speaking tubes since 1980 IPC+CPC Available in IPC and CPC
G10K 11/24 for conducting sound through solid bodies, e.g. wires since 1980 IPC+CPC Available in IPC and CPC
G10K 11/26 Sound-focusing or directing, e.g. scanning since 1980 IPC+CPC Available in IPC and CPC