Behind-the-ear hearing device having an external, optical microphone
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United States of America Patent
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Aug 14, 2012
Grant Date -
May 8, 2008
app pub date -
Oct 2, 2007
filing date -
Oct 2, 2006
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An optically unnoticeable and acoustically improved behind-the-ear hearing device having a housing which can be worn behind the ear, a signal processing facility which is arranged in the housing, and which comprises an optoelectrical converter, and at least one optical microphone is provided. The optical microphone is arranged outside the housing and can be positioned in the concha or in the auditory canal. Furthermore, the optical microphone is connected to the signal processing facility by way of an optical wave guide for optical signal transmission purposes. An optical microphone of this type can be realized small and in an unnoticeable fashion on/in an otoplastic, such that during the acoustic recording, the typical frequency behavior through the concha can also be used.
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