Invention Grant
- Patent Title: External ear insert for hearing comprehension enhancement
- Patent Title (中): 用于听力理解增强的外耳插入
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Application No.: US10436716Application Date: 2003-05-12
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Publication No.: US07916884B2Publication Date: 2011-03-29
- Inventor: Carl L. C. Kah, Jr.
- Applicant: Carl L. C. Kah, Jr.
- Agency: Ostrolenk Faber LLP
- Main IPC: H04R25/00
- IPC: H04R25/00
Abstract:
A simple hearing enhancement device that takes the normally adequately loud sound levels and optimizes selective frequency gain of the patient's ear passage to improve speech comprehension.
Public/Granted literature
- US20030231783A1 External ear insert for hearing comprehension enhancement Public/Granted day:2003-12-18
Information query
