Method for reducing distortion in a receiver

Details Method for reducing distortion in a receiver Method for reducing distortion in a receiver

2006-09-05

2006-09-05

Ni, Suhan (Department: 2615)

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Electromagnetic

C381S429000

Reexamination Certificate

active

07103196

ABSTRACT:
A receiver, such as for use in a hearing aid, is disclosed. The receiver comprises a housing and a diaphragm assembly disposed within the housing. The diaphragm assembly acoustically divides the housing into a front volume and a back volume. The diaphragm assembly comprises a paddle having a perimeter, a flexible annulus connected to the paddle, and a diaphragm support, wherein the diaphragm support secures the perimeter of the annulus to the housing. The receiver further comprises a plurality of apertures in the diaphragm assembly, wherein the plurality of apertures provides an acoustic distortion of no greater than 2% THD.

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European Search Report for Application No. EP 02 25 1724 dated May 23, 2003.

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