Electrical audio signal processing systems and devices – Hearing aids – electrical – Remote control – wireless – or alarm
Reexamination Certificate
2011-05-10
2011-05-10
Ni, Suhan (Department: 2614)
Electrical audio signal processing systems and devices
Hearing aids, electrical
Remote control, wireless, or alarm
C381S312000, C379S430000
Reexamination Certificate
active
07940945
ABSTRACT:
There is provided a method for operating a receiver unit (12) for receiving audio signals from a remote transmission unit (10) via a wireless audio link (56), comprising: connecting an audio signal output (41) of the receiver unit (12) to an audio signal input (42) of a hearing instrument (14A,14B) comprising means (52) located at a user's ear or in the user's ear canal for stimulating the user's hearing according to the audio signals from the receiver unit (12) and a microphone arrangement (44); measuring by means (34, 38) included in the receiver unit (12) the impedance of the audio signal input (42) of the hearing instrument (14A,14B); and adjusting the impedance of the audio signal output (41) of the receiver unit (12) according to the measured impedance of the audio signal input (42) of the hearing instrument (14A,14B).
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Notification Concerning Transmittal of International Preliminary Report on Patentability, International Preliminary Report on Patentability, Wrtten Opinion of the International Searching Authority for International Application No. PCT/EP2006/006634 Dated Sep. 24, 2009.
Callias Francois
Dijkstra Evert
Marquis Francois
Ni Suhan
Phonak AG
Roberts Mlotkowski Safran & Cole P.C.
Safran David S.
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