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相关概念视频

Design Example: Resistive Touchscreen01:14

Design Example: Resistive Touchscreen

264
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...
264

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相关实验视频

Updated: May 22, 2025

Author Spotlight: Microfluidic Channel-Based Soft Electrodes and Their Application in Capacitive Pressure Sensing
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一个灵活的压力传感器阵列用于打字时自动供电身份认证.

Tongtong Zhang1, Farid Manshaii2, Chris R Bowen3

  • 1CAS Center for Excellence in Nanoscience, Beijing Key Laboratory of Micro-Nano Energy and Sensor, Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing 101400, P. R. China.

Science advances
|March 12, 2025
PubMed
概括
此摘要是机器生成的。

这项研究介绍了一种自动供电的灵活智能键盘 (SFIK),它利用巨大的磁弹性效应来实现安全的按键动态. 这款创新的键盘通过先进的身份认证来增强计算机和网络安全.

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Sensitivity Enhancement of Soft Capacitive Pressure Sensors Using a Solvent Evaporation-Based Porosity Control Technique
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Microfabricated Post-Array-Detectors mPADs: an Approach to Isolate Mechanical Forces
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Microfabricated Post-Array-Detectors mPADs: an Approach to Isolate Mechanical Forces

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相关实验视频

Last Updated: May 22, 2025

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Sensitivity Enhancement of Soft Capacitive Pressure Sensors Using a Solvent Evaporation-Based Porosity Control Technique
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Microfabricated Post-Array-Detectors mPADs: an Approach to Isolate Mechanical Forces
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科学领域:

  • 材料科学 材料科学 材料科学
  • 电气工程 电气工程
  • 计算机科学 计算机科学

背景情况:

  • 随着互联网技术的发展,需要提高键盘的信息安全性.
  • 传统键盘缺乏针对现代数字威胁的高级安全功能.

研究的目的:

  • 为了提高信息安全,引入自动供电的灵活智能键盘 (SFIK).
  • 为了利用巨大的磁弹性效应来进行按键动态传感和认证.

主要方法:

  • 开发了一个SFIK,利用巨大的磁弹性效应将关键按压压力转换为电信号.
  • 基于按键动态的身份认证的集成机器学习算法.
  • 测试了固定和动态文本输入的认证准确性.

主要成果:

  • SFIK传感器具有广泛的传感范围 (35-600 kPa) 和快速响应时间 (~300 ms).
  • 在验证八个字符的固定的密码时获得了95.3%的准确性.
  • 在验证来自14组双键的动态文本的100%准确性.

结论:

  • SFIK提供了一种新的方法,使用按键动态来进行身份认证.
  • 该技术显示出在人工智能,网络安全和访问控制等领域有很大的应用潜力.
  • 自动供电和灵活的设计增强了可用性和集成可能性.