External ear insert for hearing comprehension enhancement

Details External ear insert for hearing comprehension enhancement External ear insert for hearing comprehension enhancement

2011-03-29

2011-03-29

Ni, Suhan (Department: 2614)

Electrical audio signal processing systems and devices

Hearing aids, electrical

Specified casing or housing

C381S322000

Reexamination Certificate

active

07916884

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.

REFERENCES:
patent: 6160895 (2000-12-01), Dupont
patent: 6920229 (2005-07-01), Boesen
patent: 0 147 940 (1985-07-01), None
patent: 0 227 180 (1987-07-01), None
patent: 1 016 222 (1966-01-01), None

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