CN101853111B - 超声波互动电子白板系统 - Google Patents
超声波互动电子白板系统 Download PDFInfo
- Publication number
- CN101853111B CN101853111B CN2010101798415A CN201010179841A CN101853111B CN 101853111 B CN101853111 B CN 101853111B CN 2010101798415 A CN2010101798415 A CN 2010101798415A CN 201010179841 A CN201010179841 A CN 201010179841A CN 101853111 B CN101853111 B CN 101853111B
- Authority
- CN
- China
- Prior art keywords
- ultrasonic
- sin
- ultrasound wave
- signal
- white board
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
Links
Images
Abstract
Description
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010101798415A CN101853111B (zh) | 2010-05-21 | 2010-05-21 | 超声波互动电子白板系统 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010101798415A CN101853111B (zh) | 2010-05-21 | 2010-05-21 | 超声波互动电子白板系统 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101853111A CN101853111A (zh) | 2010-10-06 |
CN101853111B true CN101853111B (zh) | 2012-05-30 |
Family
ID=42804632
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2010101798415A Expired - Fee Related CN101853111B (zh) | 2010-05-21 | 2010-05-21 | 超声波互动电子白板系统 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN101853111B (zh) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101976158B (zh) * | 2010-10-26 | 2012-07-11 | 广东威创视讯科技股份有限公司 | 一种超声波与红外结合的定位装置及其定位方法 |
CN102810263B (zh) * | 2011-05-31 | 2015-01-21 | 张德林 | 板书互动器与搪瓷投影黑板结合的投影黑板系统装置 |
CN103472933B (zh) * | 2013-09-09 | 2017-02-01 | 吉林大学 | 一种基于麦克风的便携式手写输入装置及方法 |
CN105141370B (zh) * | 2015-07-31 | 2017-08-25 | 宁波成电泰克电子信息技术发展有限公司 | 一种近距离超高速红外线传输信号的处理方法 |
CN113721796A (zh) * | 2021-08-25 | 2021-11-30 | 读书郎教育科技有限公司 | 一种超声波通讯互动笔设备 |
CN116500140B (zh) * | 2023-06-28 | 2023-08-29 | 新创碳谷集团有限公司 | 超声检测的自动增益补偿方法、装置、设备及存储介质 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5880411A (en) * | 1992-06-08 | 1999-03-09 | Synaptics, Incorporated | Object position detector with edge motion feature and gesture recognition |
CN101029931B (zh) * | 2007-01-24 | 2010-05-26 | 广东威创视讯科技股份有限公司 | 一种超声波定位装置及其定位方法 |
-
2010
- 2010-05-21 CN CN2010101798415A patent/CN101853111B/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN101853111A (zh) | 2010-10-06 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101853111B (zh) | 超声波互动电子白板系统 | |
CN1902573B (zh) | 采用脉冲重构的触敏装置 | |
CN103455171B (zh) | 一种三维交互电子白板系统及方法 | |
CN1370280A (zh) | 确定发射器和接收器之间信道增益的方法 | |
Zhou et al. | Parametric acoustic array and its application in underwater acoustic engineering | |
CN102749655A (zh) | 瞬变电磁仪背景场制导选频技术去除电磁干扰信号的方法 | |
CN106646435A (zh) | 一种用于实验教学的水下声源系统 | |
CN1114180C (zh) | 点式红外无线电控制器 | |
CN203811806U (zh) | 一种基于超宽带脉冲雷达的生命探测仪 | |
KR20110115834A (ko) | 파라메트릭 배열을 이용한 공기중 음향 송수신 장치 및 방법 | |
US20190265343A1 (en) | Method of compressing sonar data | |
CN105045415B (zh) | 一种超声波笔的笔迹定位方法 | |
CN201594139U (zh) | 一种移动终端 | |
CN202230449U (zh) | 一种集话筒鼠标激光笔翻页功能于一体的无线电子设备 | |
CN201417510Y (zh) | 一种点读机 | |
CN103677268A (zh) | 可手书式多媒体演示系统 | |
CN203759658U (zh) | 一种多笔同时书写的电磁感应显示装置 | |
CN205983984U (zh) | 基于二维码的电子点读教鞭 | |
CN209131825U (zh) | 一种数字化标量水听器 | |
CN203444749U (zh) | 虚拟架子鼓 | |
CN112099654A (zh) | 一种基于双超声模块的智慧黑板定位系统及其方法 | |
CN208093147U (zh) | 一种激光架子鼓 | |
CN205845028U (zh) | 一种交互式电子白板 | |
CN1244045C (zh) | 基于软件无线电原理的电子白板系统 | |
CN103472933B (zh) | 一种基于麦克风的便携式手写输入装置及方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee |
Owner name: RETURNSTAR INTERACTIVE TECHNOLOGY GROUP CO., LTD. Free format text: FORMER NAME: FUZHOU RETURNSTAR DIGITAL TECHNOLOGY CO., LTD. |
|
CP03 | Change of name, title or address |
Address after: Cangshan District of Fuzhou City, Fujian province 350000 to build a new town, Jinshan Road No. 618, juyuanzhou Industrial Park Gulou Park Building No. 8 Patentee after: Returnstar Interactive Technology Group Co., Ltd. Address before: Jinshan orangery Chau Industrial Park in Cangshan Gulou District of Fuzhou City, Fujian province 350002 Building No. 8 Patentee before: Fuzhou Returnstar Digital Technology Co., Ltd. |
|
CP02 | Change in the address of a patent holder | ||
CP02 | Change in the address of a patent holder |
Address after: 350000 6, No. 1 Innovation Park, No. 3 east science and technology road, Minhou street, Minhou, Fuzhou. Patentee after: Returnstar Interactive Technology Group Co., Ltd. Address before: 350000 8 tower building, Orange Garden Industrial Park, 618 Jinshan Road, Jianxin Town, Cangshan District, Fuzhou, Fujian. Patentee before: Returnstar Interactive Technology Group Co., Ltd. |
|
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20210521 |