Microphone transducer with noise reducing member

Details Microphone transducer with noise reducing member Microphone transducer with noise reducing member

1995-11-08

1997-09-30

Le, Huyen D.

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Microphone capsule only

381168, 381193, H04R 2500

Patent

active

056733305

ABSTRACT:
A microphone transducer includes a magnet, a yoke disposed around the magnet, an inner insulator provided between the magnet and the yoke, an outer insulator provided around the yoke, a voice coil provided around an upper portion of the magnet, and a diaphragm having a central convex portion and an annular convex portion which encircles the central convex portion. The central convex portion has a periphery which is attached to the voice coil. The annular convex portion has a periphery which is attached to the outer insulator. A noise reducing member includes a rigid annular mounting plate which is attached to the periphery of the annular convex portion of the diaphragm, and a flexible cushioning ring having a top side attached to the mounting plate and a bottom side attached to the outer insulator.

REFERENCES:
patent: 2832844 (1958-04-01), Matsuoka
patent: 2840177 (1958-06-01), Schoengold
patent: 4117275 (1978-09-01), Miyanaga et al.
patent: 5590211 (1996-12-01), Chang

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