CN302341654S - Teaching projector (specially used for mathematics teaching) - Google Patents
Teaching projector (specially used for mathematics teaching)Info
- Publication number
- CN302341654S CN302341654S CN201230502097.8 CN302341654S CN 302341654 S CN302341654 S CN 302341654S CN 302341654 S CN302341654 S CN 302341654S
- Authority
- CN
- China
- Prior art keywords
- teaching
- projector
- specially used
- mathematics
- design
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
1.本外观设计产品的名称：教学投影仪（数学教学专用）。 1. The name of this design product: teaching projector (specially used for mathematics teaching). 2.本外观设计产品的用途：用于数学教学中的投影。 2. The purpose of this design product: used for projection in mathematics teaching. 3.本外观设计的设计要点：在于产品的形状。 3. The main point of this design is the shape of the product. 4.最能表明设计要点的图片或者照片：立体图。 4. The picture or photo that best shows the main points of the design: a three-dimensional picture.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN302341654S true CN302341654S (en) | 2013-03-06 |
Family
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD734382S1 (en) * | 2014-03-11 | 2015-07-14 | Lg Electronics Inc. | Beam projector |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD734382S1 (en) * | 2014-03-11 | 2015-07-14 | Lg Electronics Inc. | Beam projector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130306 Main classification number: 16-02 Termination date: 20131020 |