Electrical audio signal processing systems and devices – Hearing aids – electrical
Reexamination Certificate
2005-12-12
2010-02-02
Le, Huyen D (Department: 2614)
Electrical audio signal processing systems and devices
Hearing aids, electrical
C381S317000, C381S321000
Reexamination Certificate
active
07657046
ABSTRACT:
Disclosed is an IC chip type hearing aid module for use in a mobile communication terminal having a hearing aid circuit including: a first section having a resistor R1and an inductor L1which are connected in series on a first output line Receiver_P between the mobile communication terminal and an ear speaker; a second section having a resistor R4and an inductor L2which are connected in series on a second output line Receiver_N between the mobile communication terminal and the ear speaker; a third section having a resistor R2and a capacitor C2which are connected in series between an input terminal of the first section and an output terminal of the second section; and a fourth section having a resistor R3and a capacitor C3which are connected in series between an input terminal of the second section and an output terminal of the first section.
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European Search Report dated Oct. 1, 2009 by the European Patent Office in European Patent Application No. 05257810.1.
H.C. Park & Associates PLC
Le Huyen D
Pantech & Curitel Communications, Inc.
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