轻触小工具:通过将光发射转换为触摸输入来扩展电容触摸屏上的交互

Kaori Ikematsu, Kunihiro Kato, Y. Kawahara
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引用次数: 7

摘要

我们提出LightTouch,一个3d打印的无源小工具,以增强未经修改的电容触摸屏上的触摸交互。LightTouch小工具通过嵌入物体的导电材料和光相关电阻(LDR)来模拟手指操作,如敲击、滑动和多点触摸手势。触摸屏发出可见光,LDR感知到这种光的水平,从而改变其电阻值。通过控制屏幕亮度,它有意地连接或断开GND和触摸屏之间的路径,从而允许控制触摸输入。与传统触摸屏的物理延伸不同,我们的技术既不需要手指连续接触导电部分,也不需要使用电池。因此,它为触摸屏交互开辟了新的可能性,超越了简单的触摸输入自动化,例如在设备之间建立通信通道,增强有形物品的可追踪性,以及应用程序之间的操作。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
LightTouch Gadgets: Extending Interactions on Capacitive Touchscreens by Converting Light Emission to Touch Inputs
We present LightTouch, a 3D-printed passive gadget to enhance touch interactions on unmodified capacitive touchscreens. The LightTouch gadgets simulate finger operations such as tapping, swiping, and multi-touch gestures by means of conductive materials and light-dependent resistors (LDR) embedded in the object. The touchscreen emits visible light and the LDR senses the level of this light, which changes its resistance value. By controlling the screen brightness, it intentionally connects or disconnects the path between the GND and the touchscreen, thus allowing the touch inputs to be controlled. In contrast to conventional physical extensions for touchscreens, our technique requires neither continuous finger contact on the conductive part nor the use of batteries. As such, it opens up new possibilities for touchscreen interactions beyond the simple automation of touch inputs, such as establishing a communication channel between devices, enhancing the trackability of tangibles, and inter-application operations.
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