Ambient Light

Some articles on light, ambient light:

Available Light
... In photography and cinematography, available light or ambient light refers to any source of light that is not explicitly supplied by the photographer for the ... The term usually refers to sources of light that are already available naturally (e.g ... the sun, moon, lightning) or artificial light already being used (e.g ...
Design - Unframed Style, Also Known As "Infinite Beam" Laser Harps
... This frameless design is somewhat more elaborate than the Framed style, relying on the light being reflected back to a single photodiode ... As the sensor is exposed to all ambient light, it can get swamped out by stage lighting behind the artist if the sensitivity is too high ... To avoid this problem, ambient light sensors can be used to reject ambient light from the laser light sensors ...
Projection Screen - Grey Screens
... A darker (grey) screen reflects less light, of course—both light from the projector and ambient light ... brightness) of both the projected image and ambient light, so while the light areas of the projected image are dimmer, the dark areas are darker white is less bright, but intended black is ... The ambient light level is related to the overall reflectivity of the screen, as well as that of the surroundings ...
LED Circuit - LED As Light Sensor - Ambient Light Sensors
... LEDs have been used as ambient light sensors ... be turned on by capacitive proximity sensors only in the absence of ambient light ... The LED used for the backlight was also used as the ambient light sensor ...

Famous quotes containing the word light:

    Separated lovers cheat absence by a thousand fancies which have their own reality. They are prevented from seeing one another and they cannot write; nevertheless they find countless mysterious ways of corresponding, by sending each other the song of birds, the scent of flowers, the laughter of children, the light of the sun, the sighing of the wind, and the gleam of the stars—all the beauties of creation.
    Victor Hugo (1802–1885)