Microphone diaphragm

Details Microphone diaphragm Microphone diaphragm

1983-03-28

1985-04-02

Hix, L. T.

Acoustics

Diaphragm

Microphone type

181167, H04R 706

Patent

active

045081921

ABSTRACT:
A diaphragm for electrostatic and electrodynamic microphones which has a distinct directional pattern comprises a taut diaphragm having a thickness of less than 8 microns and a diameter of 10 millimeters at most and which is made of an elastically extensible rubber base material which has a natural frequency of 1,200 Hz to 1,500 Hz at most. A diaphragm is particularly for microphones of the cardioid, supercardioid and hypercardioid and figure eight type.

REFERENCES:
patent: 1696949 (1929-01-01), Grass
patent: 4343376 (1982-08-01), Tsukagoshi et al.

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