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相关概念视频

Design Example: Resistive Touchscreen01:14

Design Example: Resistive Touchscreen

700
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...
700
Design Example01:23

Design Example

531
The innovation of touch-tone telephony revolutionized the telecommunications industry by replacing the traditional rotary dial with a dual-tone multi-frequency (DTMF) signaling system. This system uses a matrix-style keypad with buttons arranged in four rows and three columns, creating 12 distinct signals each assigned to a pair of frequencies. Each button press results in a simultaneous generation of two sinusoidal tones – one from a low-frequency group (697 to 941 Hz) and one from a...
531
Tactile and Chemical Senses01:27

Tactile and Chemical Senses

721
Tactile senses encompass touch, temperature, and pain, each mediated by specific receptors. Touch receptors detect mechanical energy or pressure against the skin. Sensory fibers from these receptors enter the spinal cord and relay information to the brain stem. Here, most fibers cross over to the opposite side of the brain. The touch information then moves to the thalamus, which projects a map of the body's surface onto the somatosensory areas of the parietal lobes in the cerebral cortex.
721

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相关实验视频

Updated: Jan 18, 2026

Testing Tactile Masking between the Forearms
08:05

Testing Tactile Masking between the Forearms

Published on: February 10, 2016

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一个可切换的动态静态触觉系统,用于增强触觉秘密通信.

Huiqi Zhao1,2, Weiqi Qian1,2, Chong Guo1,2

  • 1Beijing Key Laboratory of High-Entropy Energy Materials and Devices, Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing 101400, P. R. China.

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

这项研究引入了一种新的可切换触摸系统,可以在动态和静态传感模式之间快速过渡. 这种仿生技术增强了机器人和虚拟现实应用的触觉感知.

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A Tactile Automated Passive-Finger Stimulator TAPS
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Applying Incongruent Visual-Tactile Stimuli during Object Transfer with Vibro-Tactile Feedback
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相关实验视频

Last Updated: Jan 18, 2026

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6.8K
A Tactile Automated Passive-Finger Stimulator TAPS
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A Tactile Automated Passive-Finger Stimulator TAPS

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科学领域:

  • 材料科学 材料科学 材料科学
  • 机器人技术 机器人技术 机器人技术
  • 生物模拟学是一种生物模拟学.

背景情况:

  • 人类的触觉感知依赖于复杂的受体来进行动态和静态的感知.
  • 开发具有快速模式切换能力的人工触觉系统仍然是一个重大挑战.
  • 现有的系统往往难以平衡灵敏度,动态范围和转换速度.

研究的目的:

  • 开发一种生物仿真触觉系统,能够快速,可切换的动态和静态传感.
  • 在一个集成的设计中实现高灵敏度,广泛的压力范围和可调节的灵敏度.
  • 在现实场景和高级应用中展示系统的实用性,例如安全通信.

主要方法:

  • 一个全新的全合一触摸系统,利用光调制进行1毫秒的模式转换.
  • 集成动态模式用于振动检测和静态模式用于压力传感.
  • 实现一个具有深度学习能力的感知反闭环系统.

主要成果:

  • 实现了高灵敏度 (198.45 kPa-1) 和广泛的压力范围 (0.0137207 kPa) 的非凡平衡.
  • 在振动和人机交互下对象检测方面表现出色.
  • 通过闭环系统成功实现了用户加密的莫尔斯代码触觉秘密通信.

结论:

  • 开发的可切换动态静态触觉系统为先进的触觉传感提供了实用解决方案.
  • 这项技术在增强智能,虚拟/增强现实和安全通信系统方面具有重大潜力.
  • 该系统的快速转换,高灵敏度和适应性为下一代触觉接口铺平了道路.