Unidirectional microphone

Details Unidirectional microphone Unidirectional microphone

1999-06-22

2000-11-14

Le, Huyen

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Housed microphone

381355, 381357, 381365, H04R 2500

Patent

active

061480894

ABSTRACT:
An unidirectional microphone comprising a microphone unit 2 having a front acoustic terminal 21 and a rear acoustic terminal 22, which is provided in a flat-faced surface F2 of such as an outer frame of a display panel for computer, includes a unit fitting portion F1 provided on the flat-faced surface F2 for fitting said microphone unit 2, the top surface of the plane F2 being flat with respect to the top surface of the front acoustic terminal 21 of the microphone unit 2, a baffle plate 3 mounted on the side of the front acoustic terminal 21 of the microphone unit 2 to be disposed in the opening surface of the unit fitting portion F1, and a side acoustic terminal 4 provided about the baffle plate 3 in communication with the rear acoustic terminal 22.

REFERENCES:
patent: 4850016 (1989-07-01), Groves et al.
patent: 5627901 (1997-05-01), Josephson et al.
patent: 5970159 (1999-10-01), McIntosh

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