| 摘要 |
PROBLEM TO BE SOLVED: To provide an entrance lamp system advantageous in terms of its cost and capable of making its wiring treatment simple, by making one human detecting sensor serve the purpose since the human detecting sensor and an outside light detecting sensor of a luminaire are commonly used for a sound source device and a notification device. SOLUTION: This entrance lamp system is provided with a light source 10 to illuminate an entrance area, a human detecting sensor 20 to detect a visitor who has come to the vicinity of the entrance area to control flickering of the light source 10, an outside light detecting sensor 30 to detect outside light in the vicinity of the entrance area and to forcibly keep the light source 10 in a lights-out condition when it is bright outside, and a sound source device 40 to output an audible sound to the visitor when he comes to the vicinity of the entrance area in response to the human detecting sensor 20. COPYRIGHT: (C)2004,JPO&NCIPI
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