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1. 发明授权

US06281888B1 Pen input device using electrostatic coupling 有权
标题翻译：笔输入装置使用静电耦合
公开(公告)号：US06281888B1
公开(公告)日：2001-08-28
申请号：US09226788
申请日：1999-01-07
申请人： Frank Hoffman , Thomas Guthrie Zimmerman
发明人： Frank Hoffman , Thomas Guthrie Zimmerman
IPC分类号： G09K1116
CPC分类号： G06F3/044
摘要： A pen input device includes an array of receiver electrodes and a transmitter juxtaposed with the array for coupling electric signals from the transmitter to a person's hand. A person can use an ordinary writing instrument to write on a paper or other substrate that rests on the array, and the signal from the transmitter is coupled through the person's hand and writing instrument back to the array. The received signal strength is sent to a microprocessor for determining the position of the tip of the writing instrument, and the position can then be sent to a handwriting recognition algorithm to correlate pen strokes across the substrate to alpha-numeric characters. The transmitter can be separate from the receiver electrode array, or the receiver electrodes can be multiplexed such that one of the electrodes is selected to function as the transmitter.
摘要翻译：笔输入装置包括接收器电极的阵列和与阵列并置的发射器，用于将来自发射器的电信号耦合到人的手上。一个人可以使用普通的书写工具写在放在阵列上的纸或其他基片上，并且来自发射器的信号通过人的手和书写工具耦合回阵列。接收到的信号强度被发送到微处理器以确定书写工具的尖端的位置，然后该位置可以被发送到手写识别算法，以将基板上的笔划与字母数字字符相关联。发射机可以与接收器电极阵列分离，或者可以复用接收器电极，使得选择电极中的一个用作发射器。

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