Modular microphone assembly

Details Modular microphone assembly Modular microphone assembly

1988-09-14

1990-06-26

Ng, Jin F.

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

381155, 381160, 381169, 379420, 379432, H04M 104, H04M 102

Patent

active

049378775

ABSTRACT:
A modular microphone assembly housed in a handsfree telephone apparatus provides an environment that is isolated from a loudspeaker installed within the apparatus and through which environment the directional and frequency response characteristics of a directional microphone capsule contained within a closable cavity of a microphone mounting receptacle in the assembly are altered via a predetermined internal surface configuration of the receptacle to improve the performance of the apparatus.

REFERENCES:
patent: 3653625 (1972-04-01), Plice
patent: 3947646 (1976-03-01), Saito
patent: 4463222 (1984-07-01), Poradowski
patent: 4528426 (1985-07-01), Fatovic et al.
patent: 4817164 (1989-03-01), Bertignoll et al.

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