CN1244045C - 基于软件无线电原理的电子白板系统 - Google Patents
基于软件无线电原理的电子白板系统 Download PDFInfo
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- CN1244045C CN1244045C CNB2004100109566A CN200410010956A CN1244045C CN 1244045 C CN1244045 C CN 1244045C CN B2004100109566 A CNB2004100109566 A CN B2004100109566A CN 200410010956 A CN200410010956 A CN 200410010956A CN 1244045 C CN1244045 C CN 1244045C
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CNB2004100109566A CN1244045C (zh) | 2004-06-28 | 2004-06-28 | 基于软件无线电原理的电子白板系统 |
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CNB2004100109566A CN1244045C (zh) | 2004-06-28 | 2004-06-28 | 基于软件无线电原理的电子白板系统 |
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CN1595349A CN1595349A (zh) | 2005-03-16 |
CN1244045C true CN1244045C (zh) | 2006-03-01 |
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CNB2004100109566A Expired - Fee Related CN1244045C (zh) | 2004-06-28 | 2004-06-28 | 基于软件无线电原理的电子白板系统 |
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Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102184064A (zh) * | 2011-02-24 | 2011-09-14 | 深圳易方数码科技股份有限公司 | 一种虚拟输入方法及系统 |
CN103970363A (zh) * | 2013-02-04 | 2014-08-06 | 南京瓦迪电子科技有限公司 | 一种双操作模式的光学式触控装置及操作模式切换方法 |
CN110647249A (zh) * | 2019-10-31 | 2020-01-03 | 深圳腾千里科技有限公司 | 一种覆点阵码白板的擦除装置 |
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Legal Events
Date | Code | Title | Description |
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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 | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: CHANGCHUN JIDA SCOLA CO., LTD. Assignor: Ma Pan Contract fulfillment period: 2008.1.1 to 2025.12.31 contract change Contract record no.: 2009220000049 Denomination of invention: Electronic whiteboard system based on software radio principle Granted publication date: 20060301 License type: Exclusive license Record date: 2009.6.26 |
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LIC | Patent licence contract for exploitation submitted for record |
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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ASS | Succession or assignment of patent right |
Owner name: MA PAN Free format text: FORMER OWNER: WANG SHUXUN Effective date: 20110126 |
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C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 130025 NO. 142, RENMIN STREET, CHANGCHUN CITY, JILIN PROVINCE TO: 130025 NO. 5988, RENMIN STREET, CHANGCHUN CITY, JILIN PROVINCE |
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TR01 | Transfer of patent right |
Effective date of registration: 20110126 Address after: 130025 Jilin City, Changchun province people's street, No. 5988 Patentee after: Ma Pan Address before: 130025 No. 142 Renmin Street, Jilin, Changchun Patentee before: Wang Shuxun |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060301 Termination date: 20140628 |
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EXPY | Termination of patent right or utility model |