| 柔性导电织物键盘设计 |
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| 引用本文： | 蒋毅,周宏,陈晓,祖媛媛.柔性导电织物键盘设计[J].现代电子技术,2011,34(8):151-153,156. |
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| 作者姓名： | 蒋毅 周宏 陈晓 祖媛媛 |
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| 作者单位： | 1. 清华大学电子工程系,北京,100084;总后勤部军需装备研究所,北京,10082
2. 总后勤部军需装备研究所,北京,10082 |
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| 摘 要： | 针对便携式电子设备及可穿戴计算机系统对柔性、可折叠、多功能输入设备的需求,采用导电织物结合触摸屏控制器开发一种织物键盘,对设备组成原理、传感器材料选取、键盘结构设计、控制程序编写等3个关键问题进行探讨。测试了4种导电织物的面电阻值,根据标准差率最小原则,选取面电阻值为2 646Ω,标准差为114Ω的织物作为传感器材料;根据五线式触摸屏控制电路的功能要求设计了全织物的5层键盘结构,其中2层为导电织物层,实现按压点位置与电压信号的转换。采用Cypress公司的软件开发包,USB接口协议,在Microsoft VS2005开发环境下设计了计算机采集程序。经测试,织物键盘定位值的线性拟合R2值为0.999 5,提供了一种完全基于织物的高精度、柔性键盘解决方案。
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| 关 键 词： | 导电织物 柔性 输入设备 表面电阻 触摸屏 |
Design of Flexible Keyboard Based on Conductive Fabric |
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| JIANG Yi,ZHOU Hong,CHEN Xiao,ZU Yuan-yuan.Design of Flexible Keyboard Based on Conductive Fabric[J].Modern Electronic Technique,2011,34(8):151-153,156. |
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| Authors: | JIANG Yi ZHOU Hong CHEN Xiao ZU Yuan-yuan |
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| Institution: | JIANG Yi1,2,ZHOU Hong2,CHEN Xiao2,ZU Yuan-yuan2(1.Department of Electronic Engineering,Tsinghua University,Beijing 100084,China,2.The Quartermaster Equipment Research Institute of the CPLA,Beijing 100082,China) |
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| Abstract: | For requirements on flexible,foldable and multifunctional input device from portable devices,the conductive fabric with 5-wire touch screen controller was used to develop a flexible input device.The surface resistance value of four conductive fabrics were tested,whose value were several hundred to thousands Ohms,the standard deviation were different.One fabric and one five-wire touch-screen control circuitry were used to design the fabric input devices,which include two conductive fabric layers to convert p... |
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| Keywords: | conductive fabric flexible input device surface resistance touch screen |
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