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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

Tactile and Chemical Senses

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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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Light Acquisition02:16

Light Acquisition

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In order to produce glucose, plants need to capture sufficient light energy. Many modern plants have evolved leaves specialized for light acquisition. Leaves can be only millimeters in width or tens of meters wide, depending on the environment. Due to competition for sunlight, evolution has driven the evolution of increasingly larger leaves and taller plants, to avoid shading by their neighbors with contaminant elaboration of root architecture and mechanisms to transport water and nutrients.
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相关实验视频

Updated: Jan 15, 2026

Two-photon Calcium Imaging in Mice Navigating a Virtual Reality Environment
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由投射光驱动的触摸显示器.

Max Linnander1, Dustin Goetz1, Gregory Reardon2

  • 1Department of Mechanical Engineering, University of California, Santa Barbara, CA, USA.

Science robotics
|October 15, 2025
PubMed
概括
此摘要是机器生成的。

研究人员开发了一种新的动态触摸显示器,使用光来创建有形的数字内容. 这种高分辨率的光触摸显示器为未来的计算交互提供了更好的保真性和可扩展性.

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

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Free-form Light Actuators — Fabrication and Control of Actuation in Microscopic Scale
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Free-form Light Actuators — Fabrication and Control of Actuation in Microscopic Scale

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相关实验视频

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科学领域:

  • 触觉和人机交互的人机交互
  • 视觉机械学 视觉机械学
  • 显示技术 显示技术

背景情况:

  • 当前的触摸显示器在实现高分辨率,速度和动态范围以获得感知准确性方面面临挑战.
  • 数字内容的有形接口需要先进的触觉反机制.

研究的目的:

  • 介绍一种新的动态触摸显示技术,该技术将投射光线转换为触摸图案.
  • 解决现有的触摸显示器在分辨率,速度和可扩展性方面的局限性.

主要方法:

  • 开发了一种带有毫米尺度光感触像素的光机械表面.
  • 使用光刺激热气膨胀用于光转移.
  • 使用投射光用于输电和像素定位.

主要成果:

  • 实现了毫米尺度的位移,响应时间为2到100毫秒.
  • 展示了多达1511个可定位像素的光驱显示器.
  • 感知研究证实了时空触觉模式的高保真复制.

结论:

  • 开发的动态触摸显示器为高分辨率的触觉反提供了一个可扩展和多功能解决方案.
  • 这种光驱动技术为实际的触摸界面奠定了基础.
  • 光感触像素在将数字内容转化为有形体验方面取得了重大进展.