| 摘要 |
<p>Disclosed is a power saving switch, which can turn on an electric device manually by manipulation of an automatic switch button or a manual switch button by a user, and simultaneously, stop operation of a sensor for a predetermined time period in order for the sensor to fail detection of entering of the user into an object area, and which can turn off the electric device automatically or output predetermined sound so as to make the user turn off the electric device manually when the user goes out of the object area, thereby saving electric energy, improving convenience in use, and reducing the manufacturing cost.</p> |
