Patent ID: 6109104
Filing Date: 2000-08-29
Classification: G01C

Abstract:
An oscillatory gyroscope comprising:an elastic metal body in the form of a rectangular column having first to fourth sides, the first and third sides being opposite, and the second and fourth sides being opposite, the elastic metal body including a pair of end segments located at its ends and a pair of middle segments located at an upper middle portion and a lower middle portion of the elastic metal body, each end segment having an opening extending from the second side to the fourth side, and each middle segment having an opening extending from the first side to the third side;a first ferroelectric substance film provided on each of the first and third sides at the end segments;a second ferroelectric substance film provided on each of the second and fourth sides at the middle segments;first and second electrodes provided on each first ferroelectric substance film at each end segment; andthird and fourth electrodes provided on each second ferroelectric substance film at each middle segment.