Physical Quantity Detection Device
卷宗概要
发明人
Shogo SASAKI
IPC 分类
CPC 分类
A physical quantity detection deviceincludes a physical quantity detection elementand a circuit device. The physical quantity detection elementincludes a detection arm ASincluding detection electrodes ELA and ELB and a detection arm ASincluding detection electrodes ELA and ELB. The circuit deviceincludes terminals T, T, T, and Tconnected to the detection electrodes ELA, ELB, ELA, and ELB, and an amplifier circuit. The amplifier circuitincludes a differential amplifier circuit, a switch SWA provided between the terminal Tand an input node NIof the differential amplifier circuit, a switch SWB provided between the terminal Tand an input node NIof the differential amplifier circuit, a switch SWA provided between the terminal Tand the input node NI, and a switch SWB provided between the terminal Tand the input node NI
原文（中文）
A physical quantity detection deviceincludes a physical quantity detection elementand a circuit device. The physical quantity detection elementincludes a detection arm ASincluding detection electrodes ELA and ELB and a detection arm ASincluding detection electrodes ELA and ELB. The circuit deviceincludes terminals T, T, T, and Tconnected to the detection electrodes ELA, ELB, ELA, and ELB, and an amplifier circuit. The amplifier circuitincludes a differential amplifier circuit, a switch SWA provided between the terminal Tand an input node NIof the differential amplifier circuit, a switch SWB provided between the terminal Tand an input node NIof the differential amplifier circuit, a switch SWA provided between the terminal Tand the input node NI, and a switch SWB provided between the terminal Tand the input node NI