Speaker rear cover (rear cover of the speaker unit sound cavity)
CN309385302SActive Publication Date: 2025-07-15高宁
View PDF 0 Cites 0 Cited by
Patent Information
- Application Number
- CN202430748145.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Designs(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-26
- Publication Date
- 2025-07-15
- Estimated Expiration
- 2039-11-26
Smart Images

Figure 000007_ABST
Abstract
1. Name of the design product: Rear cover of the speaker (rear sound cavity cover of the speaker unit). 2. Use of the design product: This design is used for the rear sound cavity to enhance the low-frequency sound output of the speaker unit, preventing sound short-circuiting, making the bass more prominent and pleasant, and having a protective function. 3. Design key points of the design product: Lies in the shape. 4. Picture or photograph that best shows the design key points: Perspective view of Design 1. 5. Design 1 is designated as the basic design.
Need to check novelty before this filing date? Find Prior Art