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电容式触摸感应从异国情调到日常

消耗积分:0 | 格式:rar | 大小:0.47 MB | 2017-06-19

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  电容式触摸感应从异国情调到日常

  本文介绍了触摸传感和开关技术的发展。电容传感技术。产品被包括独立的电容传感控制器IC和微控制器(MCU),包括触摸感应作为外设功能。

  电容式触摸感知经历了爆炸式的增长,成为几类消费产品的默认人机界面。平板电脑、智能手机、便携式媒体播放器和GPS系统的用户现在都希望有一个先进而灵敏的触摸界面。反过来,这也改变了用户对智能设备和家用电器市场的期望;现在消费者开始使用TAP、拖动、刷卡和捏的语言进行预编程。高端产品不提供用户交互模式的风险被“酷”。

  2012推出的Windows 8只增强了触摸界面的扩散,促使平板电脑和个人电脑制造商在便携式计算领域尝试新的格式。那些将触摸现象视为从智能手机/数字助理空间演变而来的人认为微软的Surface产品是一种相对大的屏幕格式;然而其他PC制造商正在用更大的平板式产品测试市场。从它唯一的接口——智能手机——进入键盘不可或缺的空间的角度来看,很可能会看到消费者与技术交互方式的进一步发展。

  

  In fact, the touch paradigm appeared in the PC market early in its development. Hewlett-Packard offered a product in the 1980s that used a touch interface, although that used infrared sensing to detect the presence and location of a finger. The first mentions of touch interfaces associated with screens date back decades earlier, with historical accounts quoting an early capacitive-touch system conceived as a means of interfacing with a radar system.

  Prior to the current upswing in deployment of touch technology, most consumers‘ experience of the technology was limited to a small number of applications, largely in areas such as vending kiosks/ATMs. Those mostly used resistive touch technology, or occasionally infrared (where an X/Y matrix of IR beams is placed immediately above the screen) and were invariably single-point detection systems.

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