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Device for implementing high speed carmera image data transmission using optical fibre link

A technology of image data and optical fiber link, which is applied in the direction of TV system adapting to optical transmission, image communication, cable transmission adaptation, etc. It can solve the problems of large information loss, poor image restoration effect, electromagnetic interference, etc., and achieve small information loss Effect

Inactive Publication Date: 2007-07-18
CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
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AI Technical Summary

Problems solved by technology

The traditional transmission method is to use cables to transmit large-capacity and high-speed image data. The disadvantage of this transmission method is that the transmission distance is short, and it will be subject to electromagnetic interference and large information loss.
[0004] The main problems of this optical fiber image transmission system are: the scope of application is limited to commonly used video monitoring occasions, the amount of image data transmitted is small, the quality is not high, it is easy to cause unclear images, the effect of image restoration is not good, and it is not suitable for large-scale applications. Large-capacity and high-speed digital image data transmission of area array CCD

Method used

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  • Device for implementing high speed carmera image data transmission using optical fibre link
  • Device for implementing high speed carmera image data transmission using optical fibre link
  • Device for implementing high speed carmera image data transmission using optical fibre link

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Embodiment Construction

[0019] The present invention is carried out according to the structure shown in Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, wherein, optical fiber data encoder 5 adopts TLK1501;

[0020] Optical fiber data transmission control center 6 adopts programmable chip EP1K30PQ208-3;

[0021] Optical fiber sending module 7 adopts AM1513;

[0022] Optical fiber link 8 adopts single-mode optical fiber;

[0023] Optical fiber receiving module 9 adopts AM1513;

[0024] Optical fiber data decoder 10 adopts TLK1501;

[0025] Optical fiber data receiving control center 11 adopts programmable chip EP1K30PQ208-3;

[0026] Buffer 13 adopts 74LS244;

[0027] Standard camera data interface decoding unit 14 adopts DS90286;

[0028] Buffer 29 adopts 74LS244;

[0029] Standard camera data interface encoding unit 30 adopts DS90285.

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Abstract

This invention relates to a device for realizing high speed transmission of camera image data by fiber links including: a camera data interface, a fiber data coder, a fiber data transmitting control center, a fiber transmitting module, a fiber link, a fiber receiving module, a fiber data decoder, a fiber data receiving control center and an image data storage interface to form an image data transmission chain connected with an exterior large array digital camera at the left and an exterior high speed image storage system at the right, and the left is the image data transmission party and the right is the receiving party connected by the fiber link.

Description

1. Technical field [0001] The invention belongs to the technical field of digital image data processing and relates to a device for realizing image data transmission by using an optical fiber link. 2. Technical background [0002] Today, with the rapid development of science and technology, in the aspects of remote sensing measurement, scientific investigation, spaceborne or airborne reconnaissance, port monitoring and monitoring, the use of large area array CCD cameras to record and collect image data has been widely used in many countries in the world. CCD A large amount of digital image data recorded by the camera should be processed in time to avoid loss of the obtained image data. Before storing and processing these image data, it needs to be transmitted from the CCD camera to the equipment terminal. The traditional transmission method is to use cables to transmit large-capacity and high-speed image data. The disadvantage of this transmission method is that the transmi...

Claims

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Application Information

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IPC IPC(8): H04N5/77H04N7/22
Inventor 王军刘岩俊魏仲慧何昕
Owner CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
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