Fire door monitor (JB-QBL-FJ318)
CN309135138SActive Publication Date: 2025-02-25SHENZHEN FANHAI SANJIANG ELECTRONICS CO LTD
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Patent Information
- Application Number
- CN202430471167.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Designs(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-26
- Publication Date
- 2025-02-25
- Estimated Expiration
- 2039-07-26
Smart Images
Figure 000007_ABST
Abstract
1. The name of the product of this design: Fire door monitor (JB‑QBL‑FJ318). 2. Purpose of the product of this design: A control device used to display and control the opening and closing status of fire doors. It is also a bridge and link between the central control room or automatic fire alarm system and the front-end electric door closers, electromagnetic door suction, electromagnetic releasers, escape door locks and other devices. 3. The design key point of this appearance design product lies in the shape of the product. 4. The picture or photo that best illustrates the design points: three-dimensional picture.
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