CN202815789U - 一种具正投影像双笔书写功能的电子白板系统 - Google Patents
一种具正投影像双笔书写功能的电子白板系统 Download PDFInfo
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105653025A (zh) * | 2015-12-22 | 2016-06-08 | 联想(北京)有限公司 | 一种信息处理方法和电子设备 |
CN103955318B (zh) * | 2014-04-30 | 2016-11-16 | 锐达互动科技股份有限公司 | 光电互动模组中对双笔进行识别及双笔靠近时区分方法 |
CN107358229A (zh) * | 2017-08-25 | 2017-11-17 | 马新禹 | 一种手写智能笔 |
CN109446119A (zh) * | 2018-10-30 | 2019-03-08 | 北京科加触控技术有限公司 | 一种设备连接方法及装置 |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103955318B (zh) * | 2014-04-30 | 2016-11-16 | 锐达互动科技股份有限公司 | 光电互动模组中对双笔进行识别及双笔靠近时区分方法 |
CN105653025A (zh) * | 2015-12-22 | 2016-06-08 | 联想(北京)有限公司 | 一种信息处理方法和电子设备 |
CN105653025B (zh) * | 2015-12-22 | 2019-12-24 | 联想(北京)有限公司 | 一种信息处理方法和电子设备 |
CN107358229A (zh) * | 2017-08-25 | 2017-11-17 | 马新禹 | 一种手写智能笔 |
CN109446119A (zh) * | 2018-10-30 | 2019-03-08 | 北京科加触控技术有限公司 | 一种设备连接方法及装置 |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee | ||
CP01 | Change in the name or title of a patent holder |
Address after: Cangshan District of Fuzhou City, Fujian province 350028 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: Cangshan District of Fuzhou City, Fujian province 350028 to build a new town, Jinshan Road No. 618, juyuanzhou Industrial Park Gulou Park Building No. 8 Patentee before: Fujian Ruida interactive Polytron Technologies Inc. |
|
CP03 | Change of name, title or address |
Address after: Cangshan District of Fuzhou City, Fujian province 350028 to build a new town, Jinshan Road No. 618, juyuanzhou Industrial Park Gulou Park Building No. 8 Patentee after: Fujian Ruida interactive Polytron Technologies Inc. Address before: 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 before: Fuzhou Returnstar Technology 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: 20130320 Termination date: 20180913 |