Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
February 2, 2010
Patent Application Number
10864692
Date Filed
June 9, 2004
Patent Primary Examiner
Patent 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.
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