Patent ID: 7805995
Filing Date: 2010-10-05
Classification: G01C

Abstract:
1. A vibrating gyroscope comprising: a vibrator including first and second principal surfaces; a support plate supporting the vibrator; a joining member arranged to join the vibrator to the support plate; and a detection circuit arranged to detect when an angular velocity is applied to the vibrator; wherein the support plate includes a joining portion to which the vibrator is joined by the joining member, an outer frame portion provided on substantially the same plane as the joining portion, and a first support portion arranged to support the joining portion in an air gap portion surrounded by the outer frame portion, the first support portion having a width less than the width of the joining portion; and the vibrator includes at least one electrode that is electrically connected to the detection circuit and arranged to output signals to the detection circuit which vary when the angular velocity is applied to the vibrator.