Earphone amplifier
CN310053234SActive Publication Date: 2026-06-26周俊红
View PDF 0 Cites 0 Cited by
Patent Information
- Application Number
- CN202630004467.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Designs(China)
- Current Assignee / Owner
- Filing Date
- 2026-01-07
- Publication Date
- 2026-06-26
- Estimated Expiration
- 2041-01-07
Smart Images
Figure 000007_ABST
Abstract
1. The name of the design product: earphone amplifier. 2. The use of the design product: for connecting sound source and earphone to improve or amplify sound quality. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1.
Need to check novelty before this filing date? Find Prior Art