Lamp for room or outer surface illumination with colour changing light source and/or several light source of different colours, preferably red, green and blue, and barometric air pressure sensor

摘要

Lamp (1) contains at least one colour changeable light source and/or several light sources of different colour, preferably red, green and blue. It includes air pressure sensor (10) for detecting barometric pressure. Light source(s) are so controlled, in accordance with output signal of air pressure sensor, that colour tone of lamp light depends on measured air pressure. Included air pressure sensor is integrated barometric chip.