US Patent 9225265 Vibration generation device

There is provided a vibration generation device, including: a housing including an inner space; a direction conversion member mounted in the housing to be disposed within the inner space; a piezoelectric actuator including a piezoelectric element fixed to the direction conversion member and horizontally deformed; and a vibrator fixed to the direction conversion member and disposed within the inner space and vertically displaced due to horizontal deformation of the piezoelectric actuator.