Vibration gyroscope

A vibration gyroscope comprising:

• a vibration member;
• and
• at least three polarized piezoelectric elements on said vibration member for vibrating said vibration member,
• wherein at least one of said three piezoelectric elements is polarized in a different direction than other of said piezoelectric elements with respect to directions extending between said piezoelectric elements and said vibration member.

A vibration gyroscope comprising:

• a vibration member formed of a piezoelectric material and in a cylindrical shape;
• at least three driving electrodes on said vibration member for vibrating said vibration member;
• and
• a plurality of common electrodes on said vibration member, said plurality of common electrodes and said three driving electrodes being formed alternately along the outer circumferential direction of said vibration member,
• wherein said vibration member is polarized between said three driving electrodes and said plurality of common electrodes such that the direction of polarization between at least one driving electrode and one of said plurality of common electrodes adjacent thereto differs from the directions of polarization between others of said driving electrodes and one of the common electrodes adjacent thereto with respect to directions extending between said driving electrodes and one of the common electrodes adjacent thereto.

A vibration gyroscope comprising:

• a vibration member formed of a piezoelectric material and in hollow, cylindrical shape;
• at least three driving electrodes formed on the outer side face of said vibration member, for vibrating said vibration member;
• and
• at least one common electrode formed on the inner side face of said vibration member,
• wherein said vibration member is polarized between said at least three driving electrodes and said common electrodes such that the direction of polarization between at least one driving electrode and said common electrode differs from the directions of polarization between others of said driving electrodes and said common electrodes with respect to directions extending between said driving electrodes and said common electrodes adjacent thereto.