Electret microphone
CN309308145SActive Publication Date: 2025-05-27常勇
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Patent Information
- Application Number
- CN202430593128.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Designs(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-18
- Publication Date
- 2025-05-27
- Estimated Expiration
- 2039-09-18
Smart Images
Figure 000007_ABST
Abstract
1. Name of the Design Product: Electret Microphone. 2. Use of the Design Product: For amplifying sound. 3. Design Key Points of the Design Product: Lies in the shape. 4. Picture or Photograph that Best Illustrates the Design Key Points: Perspective View 1.
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