| 摘要 |
PROBLEM TO BE SOLVED: To provide a device for making a signal level of a mobile telephone suit according to an associated auxiliary device connected to a mobile telephone. SOLUTION: If the auxiliary device is connected to the mobile telephone, a microprocessor (MCU) of the mobile telephone receives connection data from this auxiliary device. Moreover, the microprocessor provides a memory in which required amplification data are stored according to a type of the auxiliary device. Based on this, the microprocessor transmits suitable amplification data to a PCM-Codec and its digital signal processor (DSP) of a mobile telephone. Various auxiliary devices such as a hand free unit, a modem and a telefax can be utilized. COPYRIGHT: (C)2007,JPO&INPIT
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