CN1219364C - 一种无线控制多媒体课件的装置 - Google Patents
一种无线控制多媒体课件的装置 Download PDFInfo
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- CN1219364C CN1219364C CNB031405134A CN03140513A CN1219364C CN 1219364 C CN1219364 C CN 1219364C CN B031405134 A CNB031405134 A CN B031405134A CN 03140513 A CN03140513 A CN 03140513A CN 1219364 C CN1219364 C CN 1219364C
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- 230000004888 barrier function Effects 0.000 abstract description 2
- 241000699666 Mus <mouse, genus> Species 0.000 description 15
- 238000000034 method Methods 0.000 description 7
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- 238000004891 communication Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 241000699660 Mus musculus Species 0.000 description 2
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Application Number | Priority Date | Filing Date | Title |
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CNB031405134A CN1219364C (zh) | 2003-05-27 | 2003-05-27 | 一种无线控制多媒体课件的装置 |
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CNB031405134A CN1219364C (zh) | 2003-05-27 | 2003-05-27 | 一种无线控制多媒体课件的装置 |
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CN1455527A CN1455527A (zh) | 2003-11-12 |
CN1219364C true CN1219364C (zh) | 2005-09-14 |
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CNB031405134A Expired - Fee Related CN1219364C (zh) | 2003-05-27 | 2003-05-27 | 一种无线控制多媒体课件的装置 |
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Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102073395B (zh) * | 2011-02-25 | 2012-08-29 | 上海交通大学 | 基于fpga的无线激光笔互动系统 |
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Legal Events
Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: BEIJING CHENTUO LIANXIN SCIENCE DEVELOPMENT CO., Free format text: FORMER OWNER: CHENG TIANYU Effective date: 20061020 |
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C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20061020 Address after: 100080, room 108, Cheng Cheng Building, 19-1 Haidian Road, Beijing, Haidian District Patentee after: Beijing Chentuo Lianxin Tech. Development Co., Ltd. Address before: 100084 room 13, building 527, Tsinghua University, Beijing Patentee before: Cheng Tianyu |
|
DD01 | Delivery of document by public notice |
Addressee: Beijing Chentuo Lianxin Tech. Development Co., Ltd. Document name: Notification to Pay the Fees |
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C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050914 Termination date: 20130527 |