Indoor flat-panel loudspeakers for broadcasting systems (including those inside train carriages)
CN309567446SActive Publication Date: 2025-10-28ZHUHAI GAOJIE RALL TRANSIT&ELECTRIC EQUIP CO LTD
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Patent Information
- Application Number
- CN202530139348.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Designs(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-20
- Publication Date
- 2025-10-28
- Estimated Expiration
- 2040-03-20
Smart Images
Figure 000007_ABST
Abstract
1. Name of the product in this design: Indoor flat panel loudspeaker for broadcasting system (including inside train carriages). 2. Purpose of this design: To convert electrical signals into sound and provide audio output for indoor (including train carriages) environments. 3. The key design points of this design product lie in the shape, pattern and their combination. 4. The picture or photo that best illustrates the design points: three-dimensional picture.
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