| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a solar battery lighting system capable of avoiding complete darkness by turning off and capable of securing a bright illuminance when a person approaches. <P>SOLUTION: This solar battery lighting system 10 is provided with a charging part 14 charging the power generated by the solar battery 12, a determination part 15 determining illuminance on the basis of an output of the solar battery, an illumination part 13 powered by the charging part 14, a human body detecting means 16 arranged around the illumination part 13 and a control part 17 performing lighting control of the illumination part 13, and is constituted so that the control part 17 lights the illumination part 13 at first prescribed brightness when the illuminance determined by the determination part 15 is below a specified value and the human body detecting means 16 does not detect a human body and lights the illumination part 13 at second brighter brightness when the human body detecting means 16 detects the human body. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
