Ic chip type hearing aid circuit for a mobile phone and mobile phone with a built-in hearing aid circuit

2005 
The present invention hearing aid module of a mobile terminal implemented with the IC chip type, and relates to a mobile communication terminal built this, the mobile communication terminal and the ear resistive element series-connected to the first output line (Receiver_P) between the speaker (R1 ) and the inductive element (a first series connection consisting of L1) and the body; A mobile communication terminal and a lead made of a resistive element (R3) and the inductive element (L2) connected in series on a second output line (Receiver_N) between the speaker and the second series connection body; A third series-connected element consisting of a resistive element (R2) and a capacitive element (C2) connected in series between the input terminal and the second output terminal of the series-connected bodies of the first series connection body and; People with hearing impairments by comprising a second series connection body of the input terminal and the first series-connected fourth series consisting of a resistive element (R4) and a capacitive element (C3) in series connection between the output end of the body connecting body is It is one to glass, even it is possible to implement the hearing aid circuitry to help satisfactorily listen to the audio signal from the mobile communication terminal to the IC chip type is easily applied to a mobile communication terminal, and the size and weight of mobile communication terminals. A mobile communication terminal, the hearing aid module (Hearing Aid Circuit)
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