CN202677647U - 电子讲授系统 - Google Patents
电子讲授系统 Download PDFInfo
- Publication number
- CN202677647U CN202677647U CN 201220258558 CN201220258558U CN202677647U CN 202677647 U CN202677647 U CN 202677647U CN 201220258558 CN201220258558 CN 201220258558 CN 201220258558 U CN201220258558 U CN 201220258558U CN 202677647 U CN202677647 U CN 202677647U
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Application Number | Priority Date | Filing Date | Title |
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CN 201220258558 CN202677647U (zh) | 2012-06-04 | 2012-06-04 | 电子讲授系统 |
Applications Claiming Priority (1)
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CN 201220258558 CN202677647U (zh) | 2012-06-04 | 2012-06-04 | 电子讲授系统 |
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CN202677647U true CN202677647U (zh) | 2013-01-16 |
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CN 201220258558 Expired - Lifetime CN202677647U (zh) | 2012-06-04 | 2012-06-04 | 电子讲授系统 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104462617A (zh) * | 2014-11-02 | 2015-03-25 | 逄锦辉 | 信号分析装置、以及参数自动录入、比对系统和方法 |
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2012
- 2012-06-04 CN CN 201220258558 patent/CN202677647U/zh not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104462617A (zh) * | 2014-11-02 | 2015-03-25 | 逄锦辉 | 信号分析装置、以及参数自动录入、比对系统和方法 |
CN104462617B (zh) * | 2014-11-02 | 2018-07-03 | 逄锦辉 | 信号分析装置、以及参数自动录入、比对系统和方法 |
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Johnson | Digital ink: In-class annotation of PowerPoint lectures |
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 | ||
CP03 | Change of name, title or address |
Address after: 523000 Guangdong province Dongguan Dongkeng wells 168 Industrial Zone No. 45 Patentee after: DONGGUAN JINLU ELECTRONIC TECHNOLOGY CO., LTD. Address before: 523000 Guangdong province Dongguan Dongkeng wells 168 Industrial Zone No. 7 Patentee before: Dongguan World Electronic Technology Co., Ltd. |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20160527 Address after: 409, room 2, building 6, 523000 Industrial Road, Songshan hi tech Industrial Development Zone, Guangdong, Dongguan, China Patentee after: DONGGUAN LONGTENG CLOUD EDUCATION TECHNOLOGY CO., LTD. Address before: 523000 Guangdong province Dongguan Dongkeng wells 168 Industrial Zone No. 45 Patentee before: DONGGUAN JINLU ELECTRONIC TECHNOLOGY CO., LTD. |
|
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20130116 |