| 发明名称 | Lamp signal generation circuit and CMOS image sensor | ||
| 摘要 | A ramp signal generation circuit 21 comprises a plurality of unit circuits 221 to 22N, each including a capacitor 26 having one end 26a held at a fixed potential and a current source 27 connected to the other end 26b of the capacitor 26, while the other ends 26b of the capacitors 26 in the plurality of unit circuits 221 to 22N are connected to each other with a wiring member W. | ||
| 申请公布号 | US9270258(B2) | 申请公布日期 | 2016.02.23 |
| 申请号 | US201214358970 | 申请日期 | 2012.11.14 |
| 申请人 | NATIONAL UNIVERSITY CORPORATION SHIZUOKA UNIVERSITY | 发明人 | Kawahito Shoji;Imai Kaita |
| 分类号 | H01L27/00;H03K4/90;H04N5/378;H03K4/02;H04N5/376;H03M1/06;H03M1/56;H03M1/12 | 主分类号 | H01L27/00 |
| 代理机构 | Ostrolenk Faber LLP | 代理人 | Ostrolenk Faber LLP |
| 主权项 | 1. A ramp signal generation circuit comprising: a plurality of unit circuits which generate ramp signals, each unit circuit including a capacitor having one end connected to a fixed potential line and a current source connected to the other end of the capacitor; further comprising a switch which is operable for connecting the other end of the capacitor to a reference potential line; wherein the other ends of the capacitors in the plurality of unit circuits are connected to each other with a wiring member so as to equalize voltages at the other ends of the capacitors in the plurality of unit circuits. | ||
| 地址 | JP | ||