Patent attributes
A tactile presentation device has a chassis having a top surface chassis, a bottom surface chassis, and an inner space, a button type operation unit fixed to the top surface chassis and having an operation surface, an actuator arranged in the inner space, and a vibration transmission member arranged between the actuator and the button type operation unit. The top surface chassis has a top surface having a top surface opening exposing the operation surface of the button type operation unit to outside, and a side surface formed along the peripheral edge of the top surface. The actuator is fixed to the side surface of the top surface chassis.