Hao Qiu, Y. Uno, T. Sai, S. Iguchi, Y. Mizutani, T. Hoshi, Y. Kawahara, Y. Kakehi, M. Takamiya
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引用次数: 3
摘要
本文介绍了一种利用嵌入式电子电路实现小物体悬浮的方法。Luciola 是一个直径为 3.5 毫米、重 16.2 毫克的发光粒子，可在半空中移动。本文的新颖之处在于通过谐振电感耦合驱动超声波悬浮电子物体。为实现粒子悬浮，定制集成电路芯片对于减小粒子的尺寸和重量至关重要。定制集成电路芯片的设计目的是实现 LED 的间歇性点亮，从而增加发射器和接收器线圈之间的最大距离。Luciola 应用于三维（3D）半空显示器中的自发光像素，并演示了在半空中绘制字符。
Luciola: a light-emitting particle moving in mid-air based on ultrasonic levitation and wireless powering
In this paper, we present an approach to realize the levitation of a small object with an embedded electronic circuit. Luciola is a light-emitting particle with a diameter of 3.5mm and a weight of 16.2mg moving in mid-air. The novelty of this paper is the ultrasonically levitated electronic object powered by resonant inductive coupling. To enable the levitation of a particle, a custom IC chip is essential in reducing the size and weight of the particle. Ths custom IC chip is designed to achieve an intermittent lighting of the LED, which increases the maximal distance between the transmitter and the receiver coils. Luciola is applied to a self-luminous pixel in a 3-dimensional (3D) mid-air display and the drawing of characters in mid-air is also demonstrated.
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