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Handwriting Input System Based on Ultrasonic Transducers
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  • 分类：TP334.2[自动化与计算机技术—计算机系统结构;自动化与计算机技术—计算机科学与技术] TP212[自动化与计算机技术—控制科学与工程;自动化与计算机技术—检测技术与自动化装置]
  • 作者机构：[1]Tsinghua National Laboratory for Information Science and Technology, Institute of Microelectronics, Tsinghua University, Beijing 100084, China
  • 相关基金：Supported by the National Natural Science Foundation of China（Nos. 61025021 60936002 60729308 and 61020106006）; the National High-Tech Research and Development （863） Program of China （No.2006AA04Z372）; the National Key Projects of Science and Technology of China （No.2009ZX02023-1-3）
作者： 王宇峰[1], 杨轶[1], 孔祥明[1], 廖文俊[1], 王利刚[1], 任天令[1], 刘理天[1]
关键词： 手写输入系统, 超声波传感器, 聚偏二氟乙烯, 超声换能器, 低驱动电压, PVDF, 手写系统, 检测电路, collinear transducers, PVDF, driver and detection circuit, handwriting input system
中文摘要：

A handwriting input system was developed using three collinear ultrasonic transducers. These collinear polyvinylidene fluoride (PVDF) transducers were specially designed for the handwriting input system to give a large writeable area with writing in any direction. Driver and detection circuits were developed for the handwriting system. This handwriting input system based on 2-dimensional position tracing has large writeable area (A4 paper), low drive voltage (5 V), and is independent of the handwriting pad or the pen.

英文摘要：

A handwriting input system was developed using three collinear ultrasonic transducers. These collinear polyvinylidene fluoride （PVDF） transducers were specially designed for the handwriting input system to give a large writeable area with writing in any direction. Driver and detection circuits were developed for the handwriting system. This handwriting input system based on 2-dimensional position tracing has large writeable area （A4 paper）, low drive voltage （5 V）, and is independent of the handwriting pad or the pen.

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