Microphone apparatus

Details Microphone apparatus Microphone apparatus

1975-10-24

1977-03-01

Cooper, William C.

179 1G, 179182R, H04R 102, H04M 105

Patent

active

040103358

ABSTRACT:
A microphone assembly or apparatus comprises a perforated capsule having a microphone unit supported therein and a tubular projection communicating with the interior of the capsule. The projection is arranged to be inserted into the auditory canal of a human or dummy head. The microphone unit is located near the opening of the auditory canal.

REFERENCES:
patent: 1624486 (1927-04-01), Fletcher et al.
patent: 2361458 (1944-10-01), Converse
patent: 2814677 (1957-11-01), Bleazey
patent: 3969583 (1976-07-01), Griese et al.

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