Invention Grant
- Patent Title: Telephone handset
- Patent Title (中): 电话听筒
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Application No.: US10864692Application Date: 2004-06-09
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Publication No.: US07657049B2Publication Date: 2010-02-02
- Inventor: Joan Phillips Waldron , Brett William Jelkin , Joan Billger Burleigh
- Applicant: Joan Phillips Waldron , Brett William Jelkin , Joan Billger Burleigh
- Applicant Address: US CO Wheat Ridge
- Assignee: Able Planet, Incorporated
- Current Assignee: Able Planet, Incorporated
- Current Assignee Address: US CO Wheat Ridge
- Agent Glenn H. Lenzen
- Main IPC: H04R25/00
- IPC: H04R25/00
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.
Public/Granted literature
- US20050117713A1 Telephone handset Public/Granted day:2005-06-02
Information query
