Electrical audio signal processing systems and devices – Hearing aids – electrical – Specified casing or housing
Reexamination Certificate
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
Ni Suhan
Ostrolenk Faber LLP
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