| 发明名称 | Receiving circuit, semiconductor device, and sensor device | ||
| 摘要 | A receiving circuit (10) includes an amplifier (15) which amplifies receiving signals (SP, SN) of a piezoelectric sensor (2), and a plurality of transistors (11a, 11b) or (12a, 12b), which are connected in parallel to between one end of the piezoelectric sensor (2) and one end of the amplifier (15), and are turned on with phase shift when switching is performed to receiving operations. | ||
| 申请公布号 | US9429646(B2) | 申请公布日期 | 2016.08.30 |
| 申请号 | US201214342578 | 申请日期 | 2012.08.31 |
| 申请人 | Rohm Co., Ltd. | 发明人 | Niwa Isao;Noguchi Youichiro |
| 分类号 | H01L41/113;H01L41/09;G01S7/526;G01F1/66;G01S7/523;G01S15/93;G01S7/52 | 主分类号 | H01L41/113 |
| 代理机构 | Fish & Richardson P.C. | 代理人 | Fish & Richardson P.C. |
| 主权项 | 1. A receiving circuit comprising: an amplifier for amplifying a reception signal of a piezoelectric sensor; and a plurality of transistors connected in parallel between one end of the piezoelectric sensor and one end of the amplifier, the transistors being turned on with phase shift in switching to a reception operation. | ||
| 地址 | Kyoto JP | ||