Teaching aids (laser sound transmission)
CN309893356SActive Publication Date: 2026-04-03CHANGCHUN CHINA OPTICAL SCI & TECH MUSEUM
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Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Designs(China)
- Current Assignee / Owner
- Filing Date
- 2025-07-23
- Publication Date
- 2026-04-03
Smart Images
Figure 000003_ABST
Abstract
1. Name of the product in this design: Teaching aid (laser sound transmission). 2. Application of this design: This design patent is mainly used for popular science teaching aids. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model. 5. The bottom surface of this product is a part that is not easily seen or cannot be seen during use, so the bottom view is omitted.
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