发明名称 |
Image sensor and digital gain compensation method thereof |
摘要 |
An image sensor and digital gain compensation thereof. The image sensor includes a variable amplification device for amplifying an inputted analog image signal as a variable first gain value, an analog-to-digital conversion unit for converting the amplified analog image signal into a digital image signal, and a digital gain compensation device for comparing the first gain value with a reference gain value and compensating the digital image signal as a digital second gain value when the first gain value is less than the reference gain value.
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申请公布号 |
US8154635(B2) |
申请公布日期 |
2012.04.10 |
申请号 |
US20090426701 |
申请日期 |
2009.04.20 |
申请人 |
KIM MI-RANG;PYEOUN CHANG-HEE;INTELLECTUAL VENTURES II LLC |
发明人 |
KIM MI-RANG;PYEOUN CHANG-HEE |
分类号 |
H01L27/148;H04N5/20;H01L31/10;H03M1/12;H04N5/235;H04N5/365;H04N5/374;H04N5/378;H04N9/64 |
主分类号 |
H01L27/148 |
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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