CN202257517U - 一种红外触摸屏 - Google Patents
一种红外触摸屏 Download PDFInfo
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- CN202257517U CN202257517U CN2011203137934U CN201120313793U CN202257517U CN 202257517 U CN202257517 U CN 202257517U CN 2011203137934 U CN2011203137934 U CN 2011203137934U CN 201120313793 U CN201120313793 U CN 201120313793U CN 202257517 U CN202257517 U CN 202257517U
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- infrared
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CN2011203137934U CN202257517U (zh) | 2011-08-26 | 2011-08-26 | 一种红外触摸屏 |
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CN2011203137934U CN202257517U (zh) | 2011-08-26 | 2011-08-26 | 一种红外触摸屏 |
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CN202257517U true CN202257517U (zh) | 2012-05-30 |
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CN2011203137934U Expired - Fee Related CN202257517U (zh) | 2011-08-26 | 2011-08-26 | 一种红外触摸屏 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103092438A (zh) * | 2013-01-29 | 2013-05-08 | 厦门印天电子科技有限公司 | 一种红外触摸装置及多点触摸定位方法 |
CN104298394A (zh) * | 2014-08-28 | 2015-01-21 | 合肥鑫晟光电科技有限公司 | 一种触摸屏及其定位方法、触摸显示装置 |
CN102799319B (zh) * | 2012-08-10 | 2017-02-08 | 北京汇冠新技术股份有限公司 | 一种红外触摸屏 |
US11601579B2 (en) | 2017-12-13 | 2023-03-07 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Electronic device |
-
2011
- 2011-08-26 CN CN2011203137934U patent/CN202257517U/zh not_active Expired - Fee Related
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102799319B (zh) * | 2012-08-10 | 2017-02-08 | 北京汇冠新技术股份有限公司 | 一种红外触摸屏 |
CN103092438A (zh) * | 2013-01-29 | 2013-05-08 | 厦门印天电子科技有限公司 | 一种红外触摸装置及多点触摸定位方法 |
CN103092438B (zh) * | 2013-01-29 | 2016-04-13 | 厦门印天电子科技有限公司 | 一种红外触摸装置及多点触摸定位方法 |
CN104298394A (zh) * | 2014-08-28 | 2015-01-21 | 合肥鑫晟光电科技有限公司 | 一种触摸屏及其定位方法、触摸显示装置 |
US9841845B2 (en) | 2014-08-28 | 2017-12-12 | Boe Technology Group Co., Ltd. | Touch screen, positioning method thereof and touch display device |
CN104298394B (zh) * | 2014-08-28 | 2017-12-22 | 合肥鑫晟光电科技有限公司 | 一种触摸屏及其定位方法、触摸显示装置 |
US11601579B2 (en) | 2017-12-13 | 2023-03-07 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Electronic device |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Guangzhou Hua Xin Electronic Science and Technology Co., Ltd. Assignor: Beijing UNITOP New Technology Co., Ltd. Contract record no.: 2014990000925 Denomination of utility model: Identification method of multi-touch of infrared touch screen Granted publication date: 20120530 License type: Common License Record date: 20141212 |
|
LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Guangzhou Hua Xin Electronic Science and Technology Co., Ltd. Assignor: Beijing UNITOP New Technology Co., Ltd. Contract record no.: 2014990000925 Date of cancellation: 20160831 |
|
LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20200826 |
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CF01 | Termination of patent right due to non-payment of annual fee |