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Method for receiving digital television signals by utilizing camera interface

A technology for digital TV and TV signals, applied in the parts of color TV, parts of TV system, TV, etc., can solve the problem that portable devices cannot receive digital TV, etc.

Inactive Publication Date: 2009-06-03
BEIJING TIME YINGKE TECH DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, there is no device and method for receiving digital television signals with a camera interface, therefore, it is not possible to receive digital television with a portable device with a camera interface.

Method used

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  • Method for receiving digital television signals by utilizing camera interface
  • Method for receiving digital television signals by utilizing camera interface
  • Method for receiving digital television signals by utilizing camera interface

Examples

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Embodiment Construction

[0055] A method for receiving decoded digital television signals with a camera interface according to the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0056] A preferred embodiment of the present invention proposes a method for receiving decoded digital television signals with a camera interface, the working principle is as follows figure 2 As shown, wherein the camera interface 11 of the portable device 1 receives the output data of the digital TV MPEG2 decoding module, the decoding module converts the BT.656 data output by the MPEG2 decoder into data that the camera interface 11 of the portable device 1 can receive, and the camera interface 11 as figure 1shown, and then enter the camera browsing mode to process and display the received data. The method mainly includes the following steps:

[0057] Step 1, camera interface 11 is connected with the digital television decoding module 2 o...

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Abstract

The invention provides a method for receiving digital television signals by utilizing a camera interface. The method comprises the following steps: step 1, connecting the camera interface with a digital television decoding module for decoding the digital television signals, wherein, a clock terminal of the camera interface is connected with a clock terminal of the digital television decoding module, and digital terminals of the camera interfaces are respectively connected with digital terminals of the digital television decoding module; and step 2, the digital television decoding module edits line synchronizing signals and field synchronizing signals according to effective formats of the line and field synchronizing signals which are required to be received by the camera interface and outputs the line and field synchronizing signals to the camera interface. The method can help a user to receive component-coded digital video data from the camera interface and displays the component-coded digital video data in a display unit so that the digital television can be watched through a portable device.

Description

technical field [0001] The invention relates to a method for receiving digital television signals, in particular to a method for receiving digital television signals with a camera interface. Background technique [0002] The ITU-R BT.656 video transmission standard is a component coded digital video signal transmission standard formulated by the International Telecommunication Union. The camera interface refers to the interface used by portable devices to connect to the camera module. [0003] The BT.656 interface of the digital TV receiving module is composed of 8 / 10 data lines and 1 clock line. The horizontal and vertical synchronous signals and video data are multiplexed and transmitted on the 8 / 10 data lines. Data0 and data1 are invalid under the configuration of 8 data lines. The camera interface of a general portable device does not support such video data, but only supports video data with a separate line sync signal and field sync signal. [0004] At present, there...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N5/44H04N5/765
Inventor 张凡张巨峰胡厚智郝一凡李维实张野鹏
Owner BEIJING TIME YINGKE TECH DEV
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