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Video signal switching matrix system and system main board and service daughter board thereof

A video signal and switching matrix technology, which is applied to TV system components, TV systems adapted to optical transmission, TV, etc., can solve the problem that the video signal interface cannot be interconnected and interoperable

Inactive Publication Date: 2013-01-16
QIHAN TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the technical problem that the existing technology cannot realize the interconnection and intercommunication between different types of video signal interfaces, the present invention provides a video signal switching matrix system

Method used

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  • Video signal switching matrix system and system main board and service daughter board thereof
  • Video signal switching matrix system and system main board and service daughter board thereof
  • Video signal switching matrix system and system main board and service daughter board thereof

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Embodiment Construction

[0025] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0026] like figure 1 The video signal switching matrix system shown in this embodiment includes a system main board 1 and a service sub-board 2 in hardware. like figure 2 As shown, the system motherboard 1 includes several slots 11 and electrode sheets thereof, a fusion device 12 connected to each electrode sheet respectively, an exchange control device 13 connected to the fusion device 12, and a control interface 14 connected to the exchange control device 13; image 3 As shown, the service sub-board includes an input and output device 23, a service management device 22, and a golden finger circuit 21 connected in sequence; the system main board 1 adopts a plug-in card design structure, and the system main board 1 is placed flat in the chassis, and the service sub-board 2 is sequentially connected. Insert it into the slot 11 of the main boa...

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Abstract

The invention provides a video signal switching matrix system which comprises an input output device, a service management device, a fusion device and a switch control device which are sequentially connected. The input output device comprises at least one video signal input interface and at least one video signal output interface; the service management device comprises a transceiving processing module, a buffer module, a primary framing module, a multipath data 8 / 10B encoding and decoding module and a serial-parallel interconversion module which are sequentially connected, and a frame re-unlocking module connected between the buffer device and the multipath data 8 / 10B encoding and decoding module; the transceiving processing module is connected with the input output device; the fusion device comprises a primary frame unlocking module, a fusion distribution module and a reframing module which are sequentially connected; the reframing module is connected with the serial-parallel interconversion module; and the fusion distribution module is connected with the switch control device. The invention solves the problems of multiple video specification access, coexistence of various types of transmission interfaces and signal switching.

Description

technical field [0001] The invention relates to the field of intelligent security and communication, in particular to a system for realizing signal exchange between video signal interfaces and a device in the system. Background technique [0002] As the video transmission solutions in the traditional security field are based on Ethernet cables and copper cables, with the rapid development of high-definition SDI and other technologies, the use of optical fibers is becoming more and more popular. And there are many kinds of video specifications, such as CIF, D1, standard definition, high definition, etc. In the case of the coexistence of new and old multi-service types and multi-interface types, an interconnected alley that can solve Ethernet, copper axis and optical fiber at the same time, The demand for mutual exchange systems is becoming more and more urgent. Contents of the invention [0003] In order to solve the technical problem that different types of video signal i...

Claims

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Application Information

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IPC IPC(8): H04N5/268H04N7/10H04N7/22
Inventor 林绿德肖智文黄勇张阳
Owner QIHAN TECH
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