Electrical audio signal processing systems and devices – Hearing aids – electrical – Remote control – wireless – or alarm
Reexamination Certificate
2005-12-23
2009-12-29
Ensey, Brian (Department: 2614)
Electrical audio signal processing systems and devices
Hearing aids, electrical
Remote control, wireless, or alarm
C381S312000, C381S331000
Reexamination Certificate
active
07639828
ABSTRACT:
A hearing system is provided, having a hearing device, an audio signal transmitter, an audio signal source for providing audio signals to the audio signal transmitter, an audio signal receiver unit adapted to establish a wireless link for transmission of the audio signals from the audio signal transmitter to the audio signal receiver unit which is connected to or integrated within the hearing device, a device for generating and wirelessly transmitting a polling signal to the audio signal receiver unit, a device for receiving the polling signal at the audio signal receiver unit, a device for generating and wirelessly transmitting a status information signal containing data regarding the status of the wireless audio signal link or the receiver unit, and a device for receiving the status information signal and displaying status information.
REFERENCES:
patent: 5721783 (1998-02-01), Anderson
patent: 2003/0045283 (2003-03-01), Hagedoorn
patent: 2005/0100182 (2005-05-01), Sykes et al.
patent: 0 681 411 (1995-11-01), None
patent: WO 02/23948 (2002-03-01), None
Eason Matthew
Ensey Brian
Phonak AG
Roberts Mlotkowski Safran & Cole P.C.
Safran David S.
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