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PCE
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DIFF Subgroup
G10K 11/28

using reflection, e.g. parabolic reflectors

Introduced: January 1980

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 > Sound-focusing or directing, e.g. scanning > using reflection, e.g. parabolic reflectors

CPC:

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 (G10K11/02, G10K11/36 take precedence) > Sound-focusing or directing, e.g. scanning > using reflection, e.g. parabolic reflectors

No child classifications to compare. This is a leaf node in both IPC and CPC.