| 摘要 |
The present invention relates to a device for dimming a lamp 6 by adjusting the luminous flux, which comprises a conversion unit 7 for convening a mains voltage into a supply voltage to be applied to the lamp, a microcontroller 8 to control the conversion unit in accordance with a luminous flux adjustment program depending on current date and time. A receiver 9, 11 is provided to receive a broadcast signal carrying date and time information needed for executing said luminous flux adjustment program or for updating a clock/calendar module 14. The broadcast signal may be a GPS or DCF-77 signal. |
