| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a wake-up device for allowing sleeping for an accurate time. <P>SOLUTION: The wake-up device comprises a timer 2 as a timekeeping means, an electroencephalograph 3 as a brain wave measuring means, a speaker 4 as a sound generating means, and a controller 5 as a control means. Controlled by the controller 5, it is operated to detect the sleeping condition of a user from his brain waves measured by the electroencephalograph 3 and to generate sounds from the speaker 4 after the passage of a preset time from the time point so that the user wakes up. <P>COPYRIGHT: (C)2009,JPO&INPIT |
