Electrical audio signal processing systems and devices – Hearing aids – electrical – Specified casing or housing
Patent
1996-08-07
1999-12-21
Harvey, Minsun Oh
Electrical audio signal processing systems and devices
Hearing aids, electrical
Specified casing or housing
381312, 600 25, H04R 2500
Patent
active
060059559
ABSTRACT:
An electromechanical transducer for an implantable hearing aid, such as a partial middle ear implantable (P-MEI) or total middle ear implantable (T-MEI) hearing aid system. The invention comprises at least one piezoelectric element proportioned for mechanically coupling to a middle ear only through an auditory element in the middle ear, such as the tympanic membrane, malleus, incus, stapes, or in the inner ear, such as the oval window, round window, vestibule, or semicircular canals. The invention need not be secured to a temporal bone. Inertial masses and a carrier are optionally provided to assist in sensing or producing mechanical vibrations. The carrier is optionally hermetically sealed. Superpositioned individual frequency responses optimize an overall frequency bandwidth.
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Adams Theodore P.
Brillhart Bruce A.
Kroll Kai
Meyerson Scott C.
Harvey Minsun Oh
St. Croix Medical, Inc.
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