Electrical audio signal processing systems and devices – Hearing aids – electrical – Specified casing or housing
Reexamination Certificate
2006-09-26
2006-09-26
Ni, Suhan (Department: 2615)
Electrical audio signal processing systems and devices
Hearing aids, electrical
Specified casing or housing
C381S325000, C381S328000
Reexamination Certificate
active
07113611
ABSTRACT:
A hearing aid includes a first half shell and a second shell attached to the first shell. A microphone, battery, electronics, a receiver and a flexible tip are mounted within a housing formed by the first half shell and the second half shell. A mechanical securing mechanism, located on the first half shell and the second half shell, attaches the first half shell to the second half shell. A flexible tip for a hearing aid includes a tip portion, a sound port attached to the tip portion and a vent formed in the flexible tip. The vent provides static pressure equilibrium between an ear canal and an ambient pressure.
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Fritz Frederick
Leedom Marvin A.
Mahoney Derek D.
Margicin John M.
Meytus Sam
Hamilton Brook Smith & Reynolds P.C.
Ni Suhan
Sarnoff Corporation
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