| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To control the operation of a cooling fan so that cooling does not become insufficient when a volume level is changed to a low volume level from a high volume level in a voice output apparatus outputting voice. <P>SOLUTION: An intercooling mode is installed in the voice output apparatus 10 having a speaker outputting voice, a voice output circuit outputting a voice signal to the speaker, a control microcomputer 1 controlling the voice output circuit and controlling a volume outputted to the speaker, and a cooling fan 8 cooling the voice output circuit. When the voice output apparatus 10 is switched to a state where it operates at the high volume level to a state where it operates at the low volume level, the cooling fan can be operated at the number of rotations larger than the smaller number of rotations corresponding to the low volume level, before the cooling fan is operated by the small number of rotations corresponding to the low volume level at the intercooling mode. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
