| 摘要 |
A light sensor is used to detect ambient light conditions. According to an example embodiment, a light sensor (112) detects color temperature and, in some instances, intensity characteristics of ambient light (120, 130, 140) in an environment and uses these detected characteristics (116) to determine the location of the sensor relative to natural and artificial light sources. This location determination is used to selectively operate circuits in a device such as a hand-held telephone, computer device or personal data assistant (PDA).
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