| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a lighting system which can instantly change the load of a fluorescent lamp into lighting in response to the detection of a human body sensitive sensor, can also improve the life of the lamp, and can obtain an electric power saving effect by changing the setting. SOLUTION: In a fluorescent lamp luminaire with a human body sensitive sensor, which is equipped with the human body sensitive sensor part B, a fluorescent lamp lighting load part A and with a control part D controlling the fluorescent lamp lighting load part A based on the output of the sensor part B, at the time of standby when no body is in, a setting change-over means D is provided, which can select either one of a standby at a condition that the filament of the fluorescent lamp lighting load part A is profited or an off-contortion with a preheating currents upended. Besides, a setting can be selected, in which a standby is allowed at a condition that the lighting of the fluorescent lamp lighting load part A is dimmed so as to be lowered.</p> |
