CN100483321C - 以平板显示器为书写平面的无线定位电子白板 - Google Patents
以平板显示器为书写平面的无线定位电子白板 Download PDFInfo
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- CN100483321C CN100483321C CNB200710055621XA CN200710055621A CN100483321C CN 100483321 C CN100483321 C CN 100483321C CN B200710055621X A CNB200710055621X A CN B200710055621XA CN 200710055621 A CN200710055621 A CN 200710055621A CN 100483321 C CN100483321 C CN 100483321C
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Abstract
Description
峰值保持器控制信号606电平 | 峰值保持器271工作状态 |
‘1’高电平 | ‘sample’采样 |
‘0’低电平 | ‘hold’保持 |
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CNB200710055621XA CN100483321C (zh) | 2007-05-11 | 2007-05-11 | 以平板显示器为书写平面的无线定位电子白板 |
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CNB200710055621XA CN100483321C (zh) | 2007-05-11 | 2007-05-11 | 以平板显示器为书写平面的无线定位电子白板 |
Publications (2)
Publication Number | Publication Date |
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CN101055508A CN101055508A (zh) | 2007-10-17 |
CN100483321C true CN100483321C (zh) | 2009-04-29 |
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CNB200710055621XA Expired - Fee Related CN100483321C (zh) | 2007-05-11 | 2007-05-11 | 以平板显示器为书写平面的无线定位电子白板 |
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Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101398728B (zh) * | 2008-07-21 | 2013-01-09 | 常州迪锐特电子科技有限公司 | 一种基于主机处理的电子白板系统和方法 |
CN102331897B (zh) * | 2011-09-22 | 2014-04-09 | 福州锐达数码科技有限公司 | 一种电磁感应式多人同步书写电子白板系统 |
CN102436326B (zh) * | 2011-12-29 | 2014-02-19 | 四川虹欧显示器件有限公司 | 书写板及其制作方法和书写笔 |
FR2995702B1 (fr) * | 2012-09-14 | 2014-10-03 | Commissariat Energie Atomique | Systeme et procede de detection et de localisation d'au moins un toucher sur une surface tactile d'un objet. |
CN103412682B (zh) * | 2013-08-13 | 2016-08-10 | 北京工业大学 | 基于红外超声联合定位的电子白板实验系统及定位方法 |
CN103412687A (zh) * | 2013-08-30 | 2013-11-27 | 中国科学院自动化研究所 | 一种用于光学触摸屏的无线传输系统及相应的方法 |
CN107422883B (zh) * | 2017-08-09 | 2019-09-20 | 吉林大学 | 一种基于超声波的电子白板双笔书写方法 |
WO2019090750A1 (zh) * | 2017-11-13 | 2019-05-16 | 深圳科润视讯技术有限公司 | 多功能电子白板的书写、擦拭控制方法及其系统 |
CN109949622A (zh) * | 2017-12-21 | 2019-06-28 | 北京丰信达科技有限公司 | 一种智慧黑板的电子白板 |
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Assignee: CHANGCHUN JIDA SCOLA Co.,Ltd. Assignor: Ma Pan Contract fulfillment period: 2008.1.1 to 2025.12.31 Contract record no.: 2009220000049 Denomination of invention: Radio positioning electronic white board using flat panel display as writing plane Granted publication date: 20090429 License type: Exclusive license Record date: 20090626 |
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Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.1.1 TO 2025.12.31; CHANGE OF CONTRACT Name of requester: CHANGCHUN JIDA DM CO., LTD Effective date: 20090626 |
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Owner name: CHANGCHUN JIDA SCOLA CO., LTD. Free format text: FORMER OWNER: MA PAN Effective date: 20110126 Owner name: MA PAN Free format text: FORMER OWNER: WANG SHUXUN Effective date: 20110126 |
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Free format text: CORRECT: ADDRESS; FROM: 130025 NO. 5988, RENMIN STREET, CHANGCHUN CITY, JILIN PROVINCE TO: 130012 NO. 191, CHAOQUN STREET, CHANGCHUN CITY, JILIN PROVINCE |
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Effective date of registration: 20110126 Address after: 130012 Jilin province city Changchun Chaoqun Street No. 191 Patentee after: CHANGCHUN JIDA SCOLA Co.,Ltd. Address before: 130025 Jilin City, Changchun province people's street, No. 5988 Patentee before: Ma Pan Effective date of registration: 20110126 Address after: 130025 Jilin City, Changchun province people's street, No. 5988 Patentee after: Ma Pan Address before: 130025 Jilin City, Changchun province people's street, No. 5988 Patentee before: Wang Shuxun |
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