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Video monitoring system based on satellite communication

A technology of video surveillance system and satellite communication, which is applied in the direction of closed-circuit television system and gigahertz frequency band transmission, etc. It can solve the problems of high cost and obstacles to the application of video surveillance system, and achieve the effect of stable transmission line and wide coverage area

Inactive Publication Date: 2014-11-19
SHENZHEN BELLSENT INTELLIGENT SYST
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the limited connection requires the laying of cables, and the wireless connection requires the assumption of a transmitting station. If it is in a remote or harsh environment, the cost of laying cables and building a transmitting station is high, which becomes an obstacle to the application of video surveillance systems

Method used

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  • Video monitoring system based on satellite communication

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Embodiment Construction

[0022] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other.

[0023] A kind of video monitoring system based on satellite communication, it comprises the on-the-spot video acquisition unit, communication satellite, central station, network transmission unit and monitoring terminal connected in sequence; Described on-the-spot video acquisition unit comprises the camera head, the first protocol converter connected in sequence and the first modem, the output end of the first modem is connected to the first BUC and the satellite transceiver antenna in turn, the output end of the satellite transceiver antenna is connected to the first LNB, and the output end of the first LNB is connected to the first The input end of the modem, the output end of the first LNB is also connected with the first antenna controller, the first antenna controller is connected with the satellite t...

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Abstract

The invention discloses a video monitoring system based on satellite communication. The video surveillance system includes an on-site video acquisition unit, a communication satellite, a central station, a network transmission unit and a monitoring terminal which are connected in sequence. According to the invention, by the fusion of satellite communication technology and video monitoring technology, a video monitoring area covers a wide area without geomorphic and geographical restrictions, and a transmission line is stable. Signals will be ended neither in a stationary condition nor in a fast-moving process of a vehicle; and the video monitoring system can keep in contact with the central station through a satellite no matter on a flat highway or at a disaster site of poor road conditions. The video monitoring system based on the satellite communication can go deep into a no man's land, operate in an area with no mobile signal coverage just as in an urban area with strong signals, and be used for transmitting clear on-site video images and voice signals for communication with the central station. The invention can be widely applied to various video monitoring systems.

Description

technical field [0001] The invention relates to the field of security monitoring, in particular to a video monitoring system. Background technique [0002] BUC: Block Up-Converter, the up-conversion power amplifier. Convert the L-band signal output by the satellite Modem into a high-frequency radio frequency signal and send it back to the C-band, KU-band or KA-band satellites. [0003] LNB: Low Noise Block, high-frequency head, that is, low-noise down-converter, its function is to amplify and down-convert the satellite signal transmitted by the feed source, convert the Ku or C-band signal into L-band, and transmit it to satellite receiver. [0004] E1: Telecom standard, using synchronous time division multiplexing technology to combine 30 voice channels (64KB) and 2 control channels (16kb) on a 2.048 high-speed channel. [0005] IP: IP is the abbreviation of Internet Protocol in English (a protocol for interconnection between networks). [0006] As an important part of t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N7/18H04N7/20
Inventor 郑长春
Owner SHENZHEN BELLSENT INTELLIGENT SYST
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