Patent ID: 8966977
Filing Date: 2015-03-03
Classification: G01C

Abstract:
1. An apparatus for driving a gyroscope sensor, comprising: a detection module detecting and outputting voltage corresponding to angular velocity of each axis of a gyroscope sensor; a phase conversion module generating driving voltage corresponding to each axis by shifting a phase of voltage detected in the detection module and output therefrom; an inversion module inverting driving voltage output from the phase conversion module and generating inversion voltage corresponding to each axis; a switch module selecting any one of the driving voltage output from the phase conversion module and the inversion voltage output from the inversion module according to a switching control signal for each axis; a driving module supplying driving voltage of a driving axis passing through the switch module to driving electrodes of the gyroscope sensor in order to drive in driving stop conditions and supplying the inversion voltage of each axis to the driving electrodes of each axis of the gyroscope sensor in order to stop driving in driving conditions; and a control unit passing the driving voltage of the driving axis by controlling the switch module using a switching control signal in order to drive in driving stop conditions and passing the inversion voltage of each axis by controlling the switch module according to the switching control signal in order to stop driving in driving conditions, wherein the detection module includes: wherein the driving module applies driving voltage of the first axis to positive driving electrodes of the first axis, voltage which reverses the driving voltage of the first axis to negative driving electrodes of the first axis, the driving voltage of the second axis to the positive driving electrodes of the second axis, voltage which reverses the driving voltage of the second axis to the negative driving electrodes of the second axis, and wherein the driving electrode of the third axis is provided to the positive driving electrodes of the first axis and the negative driving electrodes of the first axis, and to the positive driving electrodes of the second axis and the negative driving electrodes of the second axis.