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A burn-proof circuit and set-top box

A set-top box and circuit technology, applied in electrical components, image communication, selective content distribution, etc., can solve problems such as electronic equipment burnout, achieve the effects of increasing protection capabilities, improving revenue and stability, and avoiding damage

Active Publication Date: 2017-06-23
FUJIAN STAR NET EVIDEO INFORMATION SYST CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide an anti-burnout circuit and a set-top box to solve the problem that the interface transmission line of the existing electronic equipment is easy to cause the electronic equipment to be burned

Method used

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  • A burn-proof circuit and set-top box

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Embodiment Construction

[0024] In order to describe the technical content, structural features, achieved goals and effects of the present invention in detail, the following will be described in detail in conjunction with the embodiments and accompanying drawings.

[0025] Such as figure 1 As shown, it is a circuit diagram of an anti-burnout circuit provided by the present invention, which includes a communication interface and a system signal ground, the communication interface includes a communication interface signal ground, and the communication interface signal ground is connected to the system signal ground through a magnetic bead. The communication interface can be divided into digital communication interface (such as serial port, network port, etc.) and analog communication interface (such as video port, audio port, etc.), and the corresponding system signal ground also includes digital signal ground and analog signal ground. figure 1 Taking the audio interface CN1 of the analog communication ...

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Abstract

The invention provides an anti-burning circuit and a set-top box, which relate to the technical field of electronic circuits, wherein the circuit includes a communication interface and a system signal ground, the communication interface includes a communication interface signal ground, and the communication interface signal ground passes through a magnetic bead Connect to system signal ground. The invention can realize a good anti-burning effect and solve the problem that the interface transmission line of the existing electronic equipment is easy to cause the electronic equipment to be burned.

Description

technical field [0001] The invention relates to the technical field of electronic circuits, in particular to a burn-proof circuit and a set-top box. Background technique [0002] Existing electronic devices include more and more communication interfaces due to interconnection and communication requirements, such as the following communication interfaces: network communication interface, serial port, video interface, and audio interface. When these interfaces are connected to other equipment, the length of the transmission line is related to the placement of the electronic equipment, and the length varies from a few meters to tens of meters. However, due to the lack of uniform specifications and the technical differences of the construction personnel, the transmission line situation is quite confusing. For example, there is no separation of strong and weak currents, no separation of indoor and outdoor lines, and so on. As a result, some transmission lines may have energy tha...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N21/41H04N21/426
Inventor 喻呈东李伟国王勇刘灵辉
Owner FUJIAN STAR NET EVIDEO INFORMATION SYST CO LTD
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