| 摘要 |
PROBLEM TO BE SOLVED: To provide a desk lamp capable of saving power, automatically turned on when an office automation apparatus is used and automatically turned off when not used. SOLUTION: A circuit board is provided within a column of a desk lamp and a sensor window is formed in a front part of the column. An AC outlet 11 is provided on a back part of the column and the AC outlet 11 is made up so as to enable power to be supplied from it to an office automation apparatus. A ranging sensor 10 or human-body detecting sensor, a current detecting part 15, a control circuit 16, and a lighting circuit 17 are provided on the circuit board, and the ranging sensor 10 is provided to come out of the sensor window. The current detecting part 15 is provided in an electric path 18 connecting a power-supply plug of the circuit board to the AC outlet 11. The current detecting part 15 is electrically connected to the control circuit 16 and the control circuit 16 is electrically connected to the lighting circuit 17. A fluorescent lamp 8 or illuminant is electrically connected to the lighting circuit 17. |
