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Digital image output method and structure

A digital image and output unit technology, applied in image communication, color TV components, TV system components, etc., can solve the problems of increased packaging and testing costs, and increased number of data buses

Inactive Publication Date: 2009-01-07
王仲资 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, for the digital image output unit 11, this structure causes the number of components used to output data buses to increase, and the cost of packaging and testing increases.

Method used

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  • Digital image output method and structure

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Embodiment Construction

[0022] The method for digital image output of the present invention, that is, the implementation of the complex (multi-channel) video / image output interface, please refer to image 3 and Figure 4 .

[0023] image 3 It is a schematic diagram of a device for a time-division output interface for complex (multi-channel) video / image signals according to a preferred embodiment of the present invention. The difference between the present invention and conventional techniques is as follows:

[0024] A. All digital image signal receivers share the same data bus S1.

[0025] B. Each channel needs its own time pulse signal line S2. Except that the time pulse of the first group of channels can be bidirectional, all other time pulses are sent by the digital image output unit.

[0026] C. Each channel may have its own synchronization signal and be synchronized with its own time pulse. But except that the synchronization signal of the first group of channels can be bidirectionally tra...

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Abstract

The invention includes following steps: supplying an output unit of digital image, multiple receiving units of digital image, a data bus, and multiple signal lines of time pulse; the data bus and multiple signal lines of time pulse are connected between the output unit of digital image and the multiple receiving units of digital image; thought the data bus, the output unit of digital image outputs digital image data to the multiple receiving units of digital image; and through multiple signal lines of time pulse, multiple signals of time pulse are outputted to the multiple receiving units of digital image. The digital image data include time-sharing data to be transferred to the multiple receiving units. Multiple signals of time pulse with different phases send time-sharing data of digital image data to the multiple receiving units of digital image through time-sharing mode.

Description

technical field [0001] The present invention relates to a method and structure for digital image output, in particular to a method and structure for digital image output that can support multi-channel video / image signal time-division output. Background technique [0002] General digital video image processing components usually only have one digital video output interface, such as VCD / DVD player (VCD / DVD player) only needs one. Components with two digital video output interfaces are commonly used for image segmentation and multi-tasking in the monitoring industry. One output is used for real-time monitoring, and the other is output to the image compression component for storage after compression; or KTV players, one output displays the current time Singing songs, all the way to output and display the playlist for others to click on the next song. [0003] figure 1 It is the architecture of the commonly used single-channel digital image signal interface. The figure include...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N7/62H04N5/765
Inventor 游哲生王仲资
Owner 王仲资