Adjustable directivity microphone incorporated in a tape recorde

Details Adjustable directivity microphone incorporated in a tape recorde Adjustable directivity microphone incorporated in a tape recorde

1978-07-14

1979-11-13

Stellar, George G.

179179, H04R 138

Patent

active

041744691

ABSTRACT:
A microphone device used for a tape recorder comprises a microphone body and a casing for accommodating the microphone therein. The casing is provided with acoustic inlet holes at its front wall and its side wall. The acoustic inlet holes provided on its side wall can be opened and closed by a shielding member.

REFERENCES:
patent: 3870820 (1975-03-01), Suzuki et al.

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