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IPC Subgroup
H04R 5/027

Spatial or constructional arrangements of microphones, e.g. in dummy heads

Introduced: January 1980

Last revised: January 2006

Full Title

Stereophonic arrangements > Spatial or constructional arrangements of microphones, e.g. in dummy heads

Classification Context

Section:
ELECTRICITY
Class:
ELECTRIC COMMUNICATION TECHNIQUE
Subclass:
LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS