发明名称 |
Apparatus for automatically controlling exposure of image sensor |
摘要 |
An automatic exposure control apparatus employed by an image sensor module including a lens unit, an image sensing unit having a shutter, and an image signal processing unit, the apparatus including: a brightness calculator extracting average brightness of a image signal; a brightness adjustment determiner determining whether to fix or adjust a speed of the shutter based on the average brightness; an adjustment path controller controlling the speed of the shutter by using the brightness error; a digital filter filtering the brightness error; a shutter speed adjuster adjusting a present shutter speed value by using one of the brightness error and the filtered brightness; and a shutter speed controller controlling a speed of the shutter by using the adjusted shutter speed value
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申请公布号 |
US2007286593(A1) |
申请公布日期 |
2007.12.13 |
申请号 |
US20070808751 |
申请日期 |
2007.06.12 |
申请人 |
SAMSUNG ELECTRO-MECHANICS CO., LTD. |
发明人 |
PARK KEUN WOO;KANG BONG SOON;KIM JOO HYUN;KIM HYUN SIK;KIM KANG JOO;KIM TAE EUNG |
分类号 |
G03B7/093 |
主分类号 |
G03B7/093 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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