Patent ID: 6381860
Filing Date: 2002-05-07
Classification: G01C,G01R

Abstract:
An electrostatic capacitor-type inclination sensor for detecting changes in the fluid surface level of a dielectric fluid introduced into an air-tight container as changes in electrostatic capacitance corresponding to an angle of inclination, comprising:a pair of adjacent differential electrodes; a common electrode arranged facing each of said pair of adjacent differential electrodes within the air-tight container; variable capacitance means configured from a pair of variable capacitors constituted by the pair of differential electrodes and the common electrode connected in series across a power supply; reference capacitance means constituted by a pair of reference capacitors connected in series across the power supply; and differential amplifier means, in which a common connection point of the variable capacitors of the variable capacitance means serves as one differential input, and a common connection point of the reference capacitors of the reference capacitance means serves as another differential input.