We propose a novel interface to display high-quality tactile information by achieving a very wide frequency bandwidth. The system is composed of one or two speakers. Users hold the speakers between their hands while the speakers vibrate air between the speakers and their palms. The user feels suction and pushing sensations on their palms from the air pressure. In this paper we introduce basic concept, show the result of hardware evaluation, and further show some results of sealing techniques and pressure feedback control to improve tactile feeling.
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