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Design Example: Resistive Touchscreen01:14

Design Example: Resistive Touchscreen

315
A device engineer plays a crucial role in designing user interfaces for mobile devices. One such interface is the resistive touchscreen, which fundamentally consists of two metallic layers: a flexible upper layer and a rigid lower layer, separated by a narrow gap. The high resistance between these two layers is a key characteristic of this design.
When a user touches the screen, the two layers make contact at a specific point known as the touchpoint. This contact reduces the resistance between...
315

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相关实验视频

Updated: Jul 7, 2025

In Situ Soil Moisture Sensors in Undisturbed Soils
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一个远程,多范围导电传感器的设计.

Georgiana Dima1, Anna Radkovskaya1, Christopher J Stevens1

  • 1Department of Engineering Science, University of Oxford, Oxford OX1 3PJ, UK.

Sensors (Basel, Switzerland)
|December 23, 2023
PubMed
概括

本研究提出了一种适用于整个导电谱的多功能远程导电检测方法. 这项研究专门针对低导电检测,这对于人体成像应用,如感应断层扫描至关重要.

科学领域:

  • 电气工程 电气工程
  • 生物医学成像技术 生物医学成像技术
  • 电磁学 电磁学 电磁学 电磁学

背景情况:

  • 远程导电检测研究历来集中在高导电性材料上.
  • 在覆盖全导电范围的方法中存在差距,特别是在生物组织中.

研究的目的:

  • 提出和验证一种通用方法,用于所有范围的远程导电检测.
  • 为了优化低导电性应用的检测,例如人体成像.

主要方法:

  • 开发一种可适应的远程导电检测技术.
  • 针对不同导电区域量身定制的优化程序.
  • 实验验证侧重于低导电范围 (<10 S/m).

主要成果:

  • 开发了一种能够解决整个导电谱的方法.
  • 导电率低于12.5S/m的实验提取在10%以下的误差下实现.
  • 已经证明了在身体成像和诱导断层扫描中的应用潜力.

结论:

  • 拟议的方法为远程导电检测提供了一个全面的解决方案.
  • 有效的低导电检测是可行的,为先进的生物医学成像铺平了道路.
关键词:
导电性检测检测器 导电性检测器低导电性的低导电性远程传感是一种遥感技术.

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  • 该技术的适应性适合各种应用要求.