• 电容式触摸传感器设计技巧

    Source: http://www.eet-china.com

    作者:Mark Lee

     

     

    触摸传感器已经被广泛使用很多年了。但近期混合信号可编程器件的发展,让电容式触摸传感器已成为各种消费电子产品中机械式开关的一种实用、增值型替代方案。

     

     

    典型的电容式传感器覆盖层的厚度为3mm或更薄。随着覆盖层厚度的增加,手指触摸的传感将变得越来越困难。换句话说,伴随着覆盖层厚度的增加,系统调整过程将必须从科学向艺术发展。为了说明如何制作一个能够提升目前技术极限的电容式传感器,本文所述的实例中选用玻璃覆盖层的厚度为10mm…

  • Chrysler trying a simpler touch

    Extracted from the publication of Craig Trudell, Bloomberg News on The Windsor Star website 27 November 2012

     

    Chrysler Group LLC is emerging a leader in touch screens by letting Ford Motor Co. and General Motors Co. jump ahead and stumble.

     

    Blunders with…

  • A day without MEMS

    Extracted from the publication of Karen Lightman on EETimes website 27 November 2012

       

    MEMS devices are everywhere. They have permeated almost every aspect of our lives, forever altering our interaction with our digital environment. Unknowingly, we take…