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相关概念视频

Design Example: Resistive Touchscreen01:14

Design Example: Resistive Touchscreen

318
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...
318

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相关实验视频

Updated: Jul 9, 2025

Measurement of Vibration Detection Threshold and Tactile Spatial Acuity in Human Subjects
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使用智能手机触觉反进行皮肤敏感性评估.

Wilson O Torres1, Michael E Abbott1, Yuqing Wang1

  • 1Embodied Dexterity Group, Department of Mechanical EngineeringUniversity of California Berkeley Berkeley CA 94720 USA.

IEEE open journal of engineering in medicine and biology
|December 7, 2023
PubMed
概括
此摘要是机器生成的。

这项研究开发了一个智能手机应用程序,使用振动感知值 (VPTs) 来测量皮肤感觉. 该应用程序与临床试验有很强的相关性,证明了其在可访问的触觉功能障碍查方面的潜力.

关键词:
皮肤上的感觉.触觉学是指触觉学,是指触觉学.一个智能手机的智能手机.

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科学领域:

  • 生物医学工程 生物医学工程
  • 神经科学是一个神经科学.
  • 数字健康数字健康

背景情况:

  • 皮肤感觉感知诊断对于早期检测触觉功能障碍至关重要.
  • 目前的查工具在可访问性和频率方面存在限制,可能导致未被发现或未被监测的损害.
  • 智能手机技术为广泛的感官测试提供了一个潜在的解决方案.

研究的目的:

  • 介绍一款智能手机应用程序,用于评估皮肤感官感知.
  • 使用移动设备建立振动感知值 (VPT).
  • 评估使用智能手机进行皮肤感觉查的可行性.

主要方法:

  • 一项涉及23名参与者的横截面研究,他们对手指的感觉不同.
  • 通过调整设备振动强度来测量智能手机建立的振动感知值 (SE-VPTs).
  • 将SE-VPT与单丝纤维试验得分进行比较,这是皮肤敏感性的标准临床测量.

主要成果:

  • 在SE-VPT和单丝试验得分之间观察到强烈的正相关性 (r = 0.86,p = 1.65e-07).
  • 结果表明,基于智能手机的方法与临床标准之间存在很高的一致性.
  • 这证明了开发的应用程序的准确性.

结论:

  • 这项研究成功地证明了使用智能手机作为选皮肤感觉的工具的可行性.
  • 开发的应用程序为早期检测和监测触觉功能障碍提供了一个有希望的,易于使用的方法.
  • 基于智能手机的VPT评估可以提高对感官测试的可访问性.