HK1109468A1 - Input method and device for determining handwritten track using ultrasonic - Google Patents

Input method and device for determining handwritten track using ultrasonic

Info

Publication number
HK1109468A1
HK1109468A1 HK07113974.6A HK07113974A HK1109468A1 HK 1109468 A1 HK1109468 A1 HK 1109468A1 HK 07113974 A HK07113974 A HK 07113974A HK 1109468 A1 HK1109468 A1 HK 1109468A1
Authority
HK
Hong Kong
Prior art keywords
ultrasonic
input method
handwritten track
determining
determining handwritten
Prior art date
Application number
HK07113974.6A
Other languages
English (en)
Inventor
Dewei Yu
Original Assignee
Netac Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Netac Technology Co Ltd filed Critical Netac Technology Co Ltd
Publication of HK1109468A1 publication Critical patent/HK1109468A1/xx

Links

HK07113974.6A 2005-12-23 2007-12-20 Input method and device for determining handwritten track using ultrasonic HK1109468A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2005101212605A CN1987762B (zh) 2005-12-23 2005-12-23 用超声波确定手写轨迹的输入方法及装置

Publications (1)

Publication Number Publication Date
HK1109468A1 true HK1109468A1 (en) 2008-06-06

Family

ID=38184577

Family Applications (1)

Application Number Title Priority Date Filing Date
HK07113974.6A HK1109468A1 (en) 2005-12-23 2007-12-20 Input method and device for determining handwritten track using ultrasonic

Country Status (2)

Country Link
CN (1) CN1987762B (xx)
HK (1) HK1109468A1 (xx)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102183758A (zh) * 2011-02-25 2011-09-14 深圳易方数码科技股份有限公司 一种超声波接收窗及超声波输入装置
CN104571633B (zh) * 2013-10-29 2017-11-28 联想(北京)有限公司 一种笔迹获取方法、装置及超声波电子笔
CN103616955A (zh) * 2013-12-10 2014-03-05 步步高教育电子有限公司 一种笔迹或手势识别方法和识别设备
CN103810507A (zh) * 2014-02-13 2014-05-21 步步高教育电子有限公司 一种文字书写自动纠错设备和方法
CN107415527A (zh) * 2017-05-24 2017-12-01 王金锁 一种有记忆功能书写笔
CN108549495A (zh) * 2018-04-02 2018-09-18 昆山中骏博研互联网科技有限公司 一种书写轨迹录入方法及装置
CN108399813B (zh) * 2018-05-04 2021-06-01 广东小天才科技有限公司 基于机器人的学习辅导方法与系统、机器人及手写设备
CN110850419B (zh) * 2019-11-28 2022-07-01 深圳大学 一种基于声学的手写签名识别方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1110801A (zh) * 1994-09-27 1995-10-25 张志国 手写体文字处理系统
FR2790554B1 (fr) * 1999-03-03 2001-06-29 Schlumberger Ind Sa Methode et dispositif de mesure du temps de propagation d'un signal, en particulier d'un signal ultrasonore
CN2630929Y (zh) * 2003-06-20 2004-08-04 刘习杰 超声波定位记录板书的板书系统
CN1556498A (zh) * 2004-01-06 2004-12-22 东华大学 非识别式手写输入方法及其装置

Also Published As

Publication number Publication date
CN1987762B (zh) 2011-01-12
CN1987762A (zh) 2007-06-27

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