| 摘要 |
<p>PROBLEM TO BE SOLVED: To solve such problems that customers are threatened or an unexpected accident happens in the worst case due to an incorrect operation of lifting and lowering of a back seat or an apron when the seat is moved up or down because switches to change the condition of the chair, in particular, each switch of a switch group is arranged close to each other in the conventional chairs in a barber. SOLUTION: The information device for the condition of a chair such as a barber's chair informs the barber of operational conditions of switches S1-S4 installed in a chair 1 or the like, a self-diagnosis result, and the action conditions with sounds of different frequencies from each other.</p> |
