A cascade networking method and cascade networking system

A cascading and networking technology, applied in transmission systems, digital transmission systems, closed-circuit television systems, etc., can solve the problems affecting the stability of video data transmission, insufficient signal coverage of video processing equipment, etc., to expand and improve the coverage. The effect of efficiency

Active Publication Date: 2021-08-03
ZHEJIANG DAHUA TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] When it is necessary to expand the scope of video surveillance or there are many sources of interference to video data transmission in the surveillance area, the signal coverage of a single video processing device is insufficient, and the signal coverage between the video acquisition device and the video processing device that is not covered by the signal Video data transmission will be interrupted, affecting the stability of video data transmission

Method used

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  • A cascade networking method and cascade networking system
  • A cascade networking method and cascade networking system
  • A cascade networking method and cascade networking system

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Embodiment Construction

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0025] The terms "system" and "network" are often used interchangeably herein. The term "and / or" in this article is just an association relationship describing associated objects, which means that there can be three relationships, for example, A and / or B can mean: A exists alone, A and B exist simultaneously, and there exists alone B these three situations. In addition, the character " / " in this article generally indicates that the contextual objects are an "...

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Abstract

The present application discloses a cascaded networking method and a cascaded networking system, the cascaded networking method includes: the connected back-end video processing device sends a detection request through wired broadcast search and / or wireless detection request message to obtain information on whether at least another back-end video processing device supports cascading; if at least another back-end video processing device returns a detection reply message, the detection reply message is parsed, and then at least another Whether the back-end video processing device has the cascading capability; if at least another back-end video processing device has the cascading capability, return the service set identification information in the probe reply message to the previous back-end video processing device, or share it with the front-end The video capture device, and then the front-end video capture device starts cascading. Through the above method, the application can share the service set identification information of all back-end video processing devices, facilitate the cascading of front-end video acquisition devices, and expand the coverage of the cascading networking system.

Description

technical field [0001] The present application relates to the technical field of wireless video transmission, in particular to a cascade networking method and a cascade networking system. Background technique [0002] Video acquisition equipment and video processing equipment are important components of the security system. Video processing equipment, such as NVR (Network Video Recorder, network hard disk recorder), is used to receive video data uploaded by video acquisition equipment such as IPC (IP Camera, network camera), And video data storage, management and forwarding. [0003] When it is necessary to expand the scope of video surveillance or there are many sources of interference to video data transmission in the surveillance area, the signal coverage of a single video processing device is insufficient, and the signal coverage between the video acquisition device and the video processing device that is not covered by the signal Video data transmission will be interru...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N7/18H04L12/24
CPCH04L41/0803H04N7/181
Inventor 王明慧李辉范宇龙胡攀
Owner ZHEJIANG DAHUA TECH CO LTD
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