| 摘要 |
<p>A multi room management system is provided to provide convenient residential environment by turning on/off a lamp automatically, and to prevent unnecessary power consumption. A switch(10) operates a controller(70) with an automatic mode, a manual mode and a crime prevention mode. An infrared ray sensor(20) senses movement of a person and transmits an electrical signal to the controller. A lamp(30) is turned on/off automatically by the controller judging the sensing signal from the infrared ray sensor. A power supply socket(40) is turned on/off automatically by the controller judging the sensing signal. An absence display lamp(50) is turned on/off automatically by the controller. A buzzer(60) is turned on/off automatically by the controller.</p> |
