Telephone handset
First Claim
Patent Images
1. In method for processing a speech signal through a telephone handset to increase the intelligibility of the signal to a person having a predetermined type of hearing impairment, the improvement comprising the steps of:
- (a) providing a telephone handset having a speaker positioned within a handset housing and having a hearing aid compatible (HAC) coil positioned within the housing and connected to the speaker;
(b) connecting an inductor to said speaker and said HAC coil, said inductor being formed by wire wound on a magnetostrictive core, said core having such characteristics and being of such a configuration as to increase the intelligibility of speech signals through said speaker and said HAC coil in cooperation with said inductor; and
(c) passing said speech signal through said inductor, said speaker, and said HAC coil.
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Abstract
An improved telephone handset for hearing-impaired persons. A passive device, in the form of an inductor wound about a highly magnetostrictive core, is connected with the speaker in the handset. The device has been found to improve intelligibility of speech delivered by the handset, when perceived by persons afflicted with certain types of hearing impairment.
13 Citations
3 Claims
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1. In method for processing a speech signal through a telephone handset to increase the intelligibility of the signal to a person having a predetermined type of hearing impairment, the improvement comprising the steps of:
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(a) providing a telephone handset having a speaker positioned within a handset housing and having a hearing aid compatible (HAC) coil positioned within the housing and connected to the speaker; (b) connecting an inductor to said speaker and said HAC coil, said inductor being formed by wire wound on a magnetostrictive core, said core having such characteristics and being of such a configuration as to increase the intelligibility of speech signals through said speaker and said HAC coil in cooperation with said inductor; and (c) passing said speech signal through said inductor, said speaker, and said HAC coil. - View Dependent Claims (2, 3)
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Specification