Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Joan Phillips Waldron0
Brett William Jelkin0
Date of Patent
September 1, 2009
0Patent Application Number
108646910
Date Filed
June 9, 2004
0Patent 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.
Timeline
No Timeline data yet.
Further Resources
No Further Resources data yet.