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    • 7. 发明授权
    • Display control apparatus
    • 显示控制装置
    • US08743100B2
    • 2014-06-03
    • US13359036
    • 2012-01-26
    • Toshio Tanaka
    • Toshio Tanaka
    • G06F3/038
    • G09G3/3611G09G2320/0626G09G2320/0666G09G2360/144
    • An image display system includes a light sensor operable to change a detection sensitivity. The light sensor outputs a signal according to an intensity of external light exerting an influence on a screen of a display apparatus and to the detection sensitivity. An illuminance acquisition part of a display control apparatus acquires illuminance by the external light based on the signal output from the light sensor. Moreover, a display adjuster adjusts a displaying state of the display apparatus in accordance with the illuminance by the external light acquired by the illuminance acquisition part. A sensitivity changer periodically alternates between a “low sensitivity” of the detection sensitivity and a “high sensitivity” of the detection sensitivity of the light sensor. Thus, even when changing significantly, the illuminance by the external light can be accurately and speedily acquired.
    • 图像显示系统包括可操作以改变检测灵敏度的光传感器。 光传感器根据对显示装置的屏幕产生影响的外部光的强度和检测灵敏度输出信号。 显示控制装置的照度采集部基于从光传感器输出的信号,获取外部光的照度。 此外,显示调整器根据由照度采集部获取的外部光照照度来调整显示装置的显示状态。 灵敏度更换器周期性地在检测灵敏度的“低灵敏度”和光传感器的检测灵敏度的“高灵敏度”之间交替。 因此,即使在显着变化的情况下,也能够准确,快速地获取外部光的照度。