Inputting channel of line-by-line/intelaced video frequency signal sharing and method thereof

A technology of interlaced video and input channels, applied to color TV parts, TV system parts, TVs, etc., can solve the problems of increasing the cost of TVs, troubles for users, etc., to reduce the possibility, save costs, and simplify the circuit Effect
CN1642240AInactive Publication Date: 2005-07-20SHENZHEN SKYWORTH RGB ELECTRONICS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
SHENZHEN SKYWORTH RGB ELECTRONICS CO LTD
Publication Date
2005-07-20
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention relates to an input channel and method for progressive and interleaved color difference component signals (i.e. YPbPr / YCbCr) in TV, proposing a progressive / interleaved video signals shared input channel and method, including the following steps: e inputting video signals to a TV receiver from YPbPr / YCbCr input terminals; judging the form of the input video signals is a progressive / interleaved form of video signals; according to the judged result, controlling on or off of YPbPr or YCbCr channel to make the signals pass through corresponding input signal processing circuits, and finally sending them into video processing circuits for further processing. By automatic identification with the TV receiver, for different input video signals YPbPr or YCbCr, the invention only needs a channel to be able to implement watching component video signals, thus reducing the cost, simple in the circuit and compact and convenient to use.
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Description

【Technical Field】

[0001] The present invention relates to input channels and methods for progressive and interlaced video signals on video equipment, in particular to input channels and methods for progressive and interlaced color difference component signals (ie YPbPr / YCbCr) in high-definition televisions. 【Background technique】

[0002] In the existing television technology, when watching progressive or interlaced video signals (such as progressive DVD or interlaced DVD), there are usually two input terminals on the television receiver: one progressive input terminal YPbPr, and one interlaced input terminal YCbCr. When using, the user needs to distinguish the format of the input signal and choose different input terminals for different input signals. When the receiver receives different signals, it divides and processes them. The usual processing method is that the input signal of the progressive video signal YPbPr is not digitally processed, and is directly sent to the video a...

Claims

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