Input device

Abstract

An input device includes a load sensor, an electrostatic sensor, and a measurement circuit, wherein the load sensor includes a first voltage dividing circuit including a first strain sensor and a second strain sensor connected in series, and a first capacitor having one end connected to a connection point between the first strain sensor and the second strain sensor, the electrostatic sensor has a plurality of electrostatic sensor electrodes, and the measurement circuit includes an AC voltage circuit configured to apply an AC voltage to the first voltage dividing circuit and the electrostatic sensor electrodes, at least one charge amplifier provided downstream of the first capacitor and the plurality of electrostatic sensor electrodes, and a control circuit configured to calculate a measured value from an output of the charge amplifier.

Dependencies are inferred from the claim text.