This device provides touch sensations to your skin using an array of tiny motors. Each motor has a shaft that directly contacts your skin, and its movement is precisely controlled by two clutching actuators and a lateral actuator working together. These actuators can be piezoelectric, allowing for fine-tuned haptic feedback.
Why it matters: Filed before the current boom in virtual and augmented reality, which demands sophisticated haptic feedback. Advances in miniaturization and cost-effectiveness of piezoelectric actuators since 2009 make building such complex arrays more practical now.
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