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Self-diagnosing method for digital video recorder

A technology of a video recorder and a diagnostic method, which is applied to parts of color TVs, parts of TV systems, TVs, etc., can solve problems such as inability to display monitoring images, inability to record on hard disks, and system restarts for a long period of time. , to achieve the effect of maintaining the monitoring function and stabilizing the monitoring function

Inactive Publication Date: 2012-07-18
LEJIN GUANGDIAN ELECTRONIC CO LTD SHANGHAI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, on the digital video recorder described above, after performing the normal 'monitor' function, if all systems are restarted, it takes a long time for the system to restart
Therefore, during this period of time, problems such as not being able to display acceptable monitoring images on the monitor or not being able to record on the hard disk occur.

Method used

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  • Self-diagnosing method for digital video recorder
  • Self-diagnosing method for digital video recorder
  • Self-diagnosing method for digital video recorder

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Embodiment Construction

[0022] Hereinafter, with reference to the drawings, embodiments of the self-diagnosis method of the digital video recorder according to the present invention will be described in detail.

[0023] First, the digital video recorder to which the self-diagnostic method according to the present invention is applied is formed by the following structure. For example, in figure 2 As shown in the figure, 4 decoder chips (Decoder Chip) 11-14 and 1 multiple access node chip (MUX Chip) 20, as well as PCI bridge chip (PCI Bridge Chip) 30 and device drivers (including driver Procedure) 40.

[0024] In addition, on the 4 decoding chips 11-14 described above, it is transmitted from 4 connected surveillance cameras through 4 channels (CH1-4, CH5-8, CH9-12, CH13-16). The analog video signal to digital video signal conversion and signal processing. In the above-mentioned multiple access node chip 20, according to the above-mentioned four decoding chips 11-14, the output 16 digital image signals ar...

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PUM

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Abstract

The invention relates to a self-diagnostic method for a digital video recorder. When in execution of self-diagnostic operation on the digital video recorder connected with a plurality of cameras used for monitoring, the invention can detect particular channels chosen by users or whether influencing signals of every channel are wrong or not; meanwhile, the invention can be continuously connected with a Decoder Chip, a MUX Chip, a PCI Bridge Chip and other electronic elements. The invention only filters and resets the malfunctioned electronic elements which minimize the frequency of restarting a system for a long time. Therefore, the self-diagnostic method of the invention can stably maintain the monitoring function of the digital video recorder.

Description

Technical field [0001] The present invention relates to a self-diagnosis (for self diagnosis) method of a digital video recorder. For example, a self-diagnostic method for digital video recorders that receive imaged video signals from multiple surveillance cameras, which are displayed on a monitor, or a hard disk (HDD) or other digital video recorder that records the video signal on a recording medium. Background technique [0002] Generally, surveillance cameras are set up in specific places to imagine relevant areas. For example, like figure 1 As shown above, 16 surveillance cameras (1-16) 100 are installed in each area 1 -100 16 The subject in the imaging-related area outputs information to the remote digital video recorder 200. [0003] In addition, the above-mentioned digital video recorder (200), based on the above-mentioned surveillance image captured by the surveillance camera, is displayed on the screen by the monitor (Monitor) 300, and the surveillance image is decoded a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N17/00H04N5/76H04N7/18
Inventor 金健旭
Owner LEJIN GUANGDIAN ELECTRONIC CO LTD SHANGHAI