| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a practical automatic switch having a function of switching a circuit according to the detection of human body, and effectively stops the function when it is not necessary. SOLUTION: The automatic switch has an open circuit which is constructed by connecting a circuit which is switched by a human body detection switch 1, and a circuit which is switched by an operation switch 2, in parallel.</p> |
