发明名称 |
IMAGE PICKUP CIRCUIT, CMOS SENSOR, AND IMAGE PICKUP DEVICE |
摘要 |
Disclosed herein is an image pickup circuit including: amplifying means for amplifying a charge corresponding to an amount of light received by a photodetector, and outputting a pixel signal; ramp signal generating means for generating a ramp signal whose voltage drops with a fixed slope from a predetermined initial voltage; and comparing means for comparing the pixel signal output by the amplifying means with the ramp signal output by the ramp signal generating means. A reference potential of the pixel signal output by the amplifying means and a reference potential of the ramp signal output by the ramp signal generating means are at a same level. |
申请公布号 |
KR101507609(B1) |
申请公布日期 |
2015.03.31 |
申请号 |
KR20080045529 |
申请日期 |
2008.05.16 |
申请人 |
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发明人 |
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分类号 |
H04N5/232;H04N5/335;H04N5/357;H04N5/369;H04N5/374;H04N5/378 |
主分类号 |
H04N5/232 |
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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