| 摘要 |
<P>PROBLEM TO BE SOLVED: To detect an alcohol intoxication degree before an automobile is driven and to easily display a detection result when a microphone is used to sing karaoke. <P>SOLUTION: A karaoke machine is constituted by providing the microphone 9 with an alcohol sensor 12 which detects alcohol concentration and a transmitting means 22 which judges the level of the alcohol concentration detected by the alcohol sensor 21 and sends a predetermined signal corresponding to the concentration. Then an image monitor 6 is provide with a receiving means 24 of receiving a signal of the transmitting means 22 and a concentration level output means 13 which outputs the signal of the alcohol concentration on an image. <P>COPYRIGHT: (C)2004,JPO&NCIPI |
