发明名称 |
OPTICAL SENSING DEVICE |
摘要 |
<p>First integrating circuits 110 convert electric currents from one group of photosensitive portions electrically connected to each other in a plurality of pixels arranged in a first direction into voltages, and output the voltages. First S/H circuits 130 hold and output the voltages outputted from the first integrating circuits 110. A first maximum value detecting circuit 140 detects the maximum value of the voltages outputted from the first S/H circuits 130. First level shift circuits 170 shift levels of the voltages outputted from the first S/H circuits 130. A first A/D converter circuit 180 sets a range from the maximum value detected by the first maximum value detecting circuit 140 to a value smaller than the maximum value by a predetermined value as an A/D conversion range, and converts the voltages outputted from the first S/H circuits 130 into digital values within the A/D conversion range. <IMAGE></p> |
申请公布号 |
EP1586856(A1) |
申请公布日期 |
2005.10.19 |
申请号 |
EP20040702790 |
申请日期 |
2004.01.16 |
申请人 |
HAMAMATSU PHOTONICS K.K. |
发明人 |
SUGIYAMA, YUKINOBU;MIZUNO, SEIICHIRO |
分类号 |
G06F3/01;G01B11/00;G06F3/00;G06F3/033;G06F3/042;H01L27/146;H04N5/369;(IPC1-7):G01B11/00 |
主分类号 |
G06F3/01 |
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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