Patent ID: 6904802
Filing Date: 2005-06-14
Classification: G01C,Y10T

Abstract:
1. A vibrating gyroscope comprising: a tuning fork vibrator having two legs defined by piezoelectric members which are polarized in opposite directions of thickness which are bonded to each other between a first principal surface and a second principal surface, so as to have a tuning fork shape with one fixed end; wherein two electrodes divided in a width direction of the two electrodes are provided on a first principal surface of the respective two legs and an electrode is provided on a second principal surface of the respective two legs; among four electrodes provided on the first principal surface of the respective two legs, two electrodes that are disposed inside-to-inside or outside-to-outside are connected together to define a driving electrode, and the remaining two electrodes define a detection electrode and a feedback electrode; and all of the electrodes provided on the second principal surfaces of the two legs are connected together, and are connected to a reference voltage or are floating.