Invention Grant
- Patent Title: External ear insert for hearing enhancement
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Application No.: US15194713Application Date: 2016-06-28
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Publication No.: US10536782B2Publication Date: 2020-01-14
- Inventor: Carl L. C. Kah, Jr.
- Applicant: Carl L. C. Kah, Jr.
- Agency: Amster, Rothstein & Ebenstein LLP
- Main IPC: H04R25/02
- IPC: H04R25/02 ; H04R25/00
Abstract:
A hearing enhancement device using wave amplification in the outer ear cavities of a user and transducer placement to provide frequency based enhancement of speech and music sounds without blocking the user's auditory canal.
Public/Granted literature
- US20170006387A1 EXTERNAL EAR INSERT FOR HEARING ENHANCEMENT Public/Granted day:2017-01-05
Information query
