Abstract
In this paper we propose a method for calculating ultrasound phase and amplitude of transducers in an array which accomplishes the desirable spatial distribution of resulting ultrasound amplitude for generating tactile sensation on human bodies in a remote and non-contact way. Based on the principle of acoustic radiation pressure, a region where the sound pressure is high enough, pushes the surfaces of objects located in it. A three-dimensional ultrasound amplitude distribution can be designed with our calculation method and thus three-dimensionally expanding remote tactile stimuli can be generated. We operated a few numerical simulations to verify the validity of our proposal method.
