| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To properly control operation of a plurality of on-vehicle electronic equipment in accordance with operating input from a central switch device such as a steering switch, etc. while making system constitution simple. <P>SOLUTION: An on-vehicle audio device 3 is connected to the steering switch 1 through an on-vehicle hand-free communication device 2 by connecting the on-vehicle hand-free communication device 2 to the steering switch 2. Thereafter, a mode judging part 22 is provided on the on-vehicle hand-free communication device 2, various functions of hand-free communication are practiced in accordance with a signal input to the on-vehicle communication device 2 from the steering switch 1 when the current mode is a hand-free mode, and the signal input to the on-vehicle communication device 2 from the steering switch 1 is transferred to the on-vehicle audio device 3 and operation control of the on-vehicle audio device 3 is practiced in accordance with the transferred signal when the current mode is an audio mode. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
