Microphone

Details Microphone Microphone

1995-07-14

1996-12-31

Tran, Sinh

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Having electrostatic element

381202, 381199, 181158, 181165, H04R 2500, H04R 700, H05K 500

Patent

active

055902111

ABSTRACT:
A microphone includes a voice coil, a membrane and a diaphragm that has an annular convex portion encircling a central convex portion and a concentric cutout portion on the central convex portion. The membrane covers the cutout portion and extends to the periphery of the central convex portion. The combination of a properly designed cutout portion, the thickness of the membrane, the materials used for the membrane and the diaphragm, and the adhesive method employed to connect the membrane and the diaphragm shall result in a microphone that is capable of delivering high quality sound.

REFERENCES:
patent: 4709392 (1987-11-01), Kato et al.

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