MOBILE PHONE WITH LOUDSPEAKING FUNCTION, LOUDSPEAKING METHOD AND ITS PROGRAM,申请号JP20030183190-传众专利搜索

MOBILE PHONE WITH LOUDSPEAKING FUNCTION, LOUDSPEAKING METHOD AND ITS PROGRAM

申请公布号：JP2005020435(A)

申请号：JP20030183190

申请日期：2003.06.26

申请公布日期：2005.01.20

申请人：

NEC COMMUN SYST LTD

发明人：WAKIE HIROSHI;SAKATANI EIKO

分类号：H04M1/00;(IPC1-7):H04M1/00;H04Q7/38

主分类号：H04M1/00

摘要：PROBLEM TO BE SOLVED: To loudly speak an incoming tone from an outputting speaker by using a receiver as a microphone and collecting speaker voices with a conventional microphone. SOLUTION: A mobile phone with a loudspeaking function is provided with a loudspeaking mode in addition to a waiting mode and a speech communication mode, and has a transmission amplifier for amplifying a speaker voice signal to be outputted when the receiver is operated as a microphone, and a signal path switching part for disconnecting a reception signal path for connecting a voice converting part and a reception amplifier and a transmission signal path for connecting a first transmission amplifier and the voice converting part in the waiting mode and the speech communication mode, disconnecting a calling signal path for making an input to a speaker amplifier, combining speaker voice signals outputted by the first and second transmission amplifiers to connect the combined signal to the speaker amplifier and connecting the speaker voice signals from the first and second transmission amplifiers, outputted by the speaker amplifier, to the speaker or an earphone jack by a user's request. COPYRIGHT: (C)2005,JPO&NCIPI