High rate, low-latency multi-touch sensing with simultaneous orthogonal multiplexing

D. Leigh, C. Forlines, Ricardo Jota, Steven Sanders, Daniel J. Wigdor
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引用次数: 27

Abstract

We present "Fast Multi-Touch" (FMT), an extremely high frame rate and low-latency multi-touch sensor based on a novel projected capacitive architecture that employs simultaneous orthogonal signals. The sensor has a frame rate of 4000 Hz and a touch-to-data output latency of only 40 microseconds, providing unprecedented responsiveness. FMT is demonstrated with a high-speed DLP projector yielding a touch-to-light latency of 110 microseconds.
同时正交多路复用的高速率,低延迟多点触摸传感
我们提出了“快速多点触摸”(FMT),这是一种基于新型投影电容结构的超高帧率和低延迟多点触摸传感器,采用同步正交信号。该传感器的帧率为4000 Hz,触摸到数据的输出延迟仅为40微秒,提供前所未有的响应能力。FMT用高速DLP投影仪进行演示,产生110微秒的触光延迟。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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