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相关概念视频

Design Example: Resistive Touchscreen01:14

Design Example: Resistive Touchscreen

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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...
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Tactile and Chemical Senses01:27

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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.
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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...
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PopTouch:一个亚毫米厚的动态重新配置的触摸接口,带有可按按的触摸接口.

Amir Firouzeh1, Ayana Mizutani1, Jonas Groten2

  • 1Soft Transducers Laboratory (LMTS), Institute of Mechanical Engineering (IGM), Ecole Polytechnique Fédérale de Lausanne (EPFL), Neuchatel, CH-2000, Switzerland.

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概括
此摘要是机器生成的。

PopTouch是一款灵活的触摸显示器,可在触摸屏上按需创建物理按. 这项技术提供了直观的机械反,增强了用户与虚拟接口的交互.

关键词:
液压增强的静电拉链执行器可重新配置的触觉显示器

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科学领域:

  • 人与计算机的交互
  • 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

背景情况:

  • 触摸屏互动缺乏触摸反,仅依赖视觉线索.
  • 虚拟按和滑块不提供物理支付,阻碍了直观的使用.
  • 现有的触觉技术往往缺乏灵活性,薄度或按需执行.

研究的目的:

  • 推出PopTouch,这是一款新的灵活触觉显示器,能够根据需求生成物理按.
  • 为了证明PopTouch在各种表面,包括曲的表面上提供触觉反的能力.
  • 介绍两种版本的PopTouch:透明的触摸屏和传感器,以集成与其他设备.

主要方法:

  • 开发了一种500微米厚的柔性触觉显示器,使用液压放大电静电拉链式税表 (触觉像素).
  • 工程计量器提供1.5毫米外平面位移,可调节的快穿力特性高达4N.
  • 创建了两种PopTouch版本:透明的集成触摸传感器和传感器,带有压电传感器的外部传感器.

主要成果:

  • PopTouch成功地生成了有明显机械反的按需物理按.
  • 显示器实现了显著的外平面位移 (1.5毫米) 和可调的力反 (高达4N).
  • 透明版和传感版都展示了有效的集成和触觉反生成.

结论:

  • PopTouch提供了一种多功能解决方案,可以为设备添加静态和振动的按式触觉.
  • 它的薄型,灵活性,低功耗和快速刷新率使其适用于各种应用.
  • 这项技术通过向视觉接口引入关键的触觉反来显著提高用户体验.