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发明名称
亮度调整方法
摘要
一种亮度调整方法,适于调整投影装置所投影出的显示画面之亮度。此亮度调整方法包括下列步骤。首先,每经过一时间间隔,根据当时的画面讯号得到一第一画面平均亮度值。之后,每经过A个时间间隔,根据前B个时间间隔内的这些第一画面平均亮度值得到一第三画面平均亮度值以及一与其对应的光圈段数暂存值。其中,A与B皆为大于1的整数。此外,每经过一时间间隔,判断当时与前一个第一画面平均亮度值的差值是否落在一预设范围外来决定是否切换光圈。
申请公布号
TW200832039
申请公布日期
2008.08.01
申请号
TW096103490
申请日期
2007.01.31
申请人
奥图码科技股份有限公司
发明人
林宗毅;陆家盈;吕益君
分类号
G03B21/00(2006.01);H04N5/238(2006.01);H04N5/57(2006.01)
主分类号
G03B21/00(2006.01)
代理机构
代理人
詹铭文;萧锡清
主权项
地址
台北县新店市民权路108号5楼
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