| 摘要 |
An apparatus and method for providing elevated, indented, or texturized contactless sensations to an object at a distance from a display device using ultrasound or ultrasonic waves is disclosed. Processes are also given involving elevated, indented, or texturized sensations to an object near a display device using airborne ultrasound or ultrasonic waves. By providing elevated, indented, or texturized sensations to an object near a display device enhanced input/output functions are provided.
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