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Method for detecting signal source

A detection method and signal source technology, applied in image communication, cathode ray tube indicators, televisions, etc., can solve problems such as low efficiency, achieve the effect of improving the chance of detection and improving detection efficiency

Active Publication Date: 2013-06-19
ACER INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] It is not difficult to imagine that the efficiency of detection through the above method is not good, especially when the display supports more types of signal sources, it may take more time to display the signal source required by the user

Method used

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  • Method for detecting signal source

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Embodiment Construction

[0028] The following embodiments take a display device that can be connected to multiple signal sources as an example to illustrate the detailed steps of how to more efficiently detect the next signal source that has a signal. Wherein, the display device may be a projector or a television, etc., and the scope thereof is not limited here. All the signal sources that can be connected to the display device can be divided into the first type signal source and the second type signal source. It is related to the model or attribute of the display device. In this embodiment, the number of signal sources of the first type is greater than or equal to 1, and the number of signal sources of the second type is greater than or equal to 2.

[0029] There is a signal source priority among these signal sources that the display device can be connected to. Wherein, all the signal sources of the first type are arranged before the signal sources of the second type in the priority order of the si...

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Abstract

The invention relates to a method for detecting a signal source, applied to a display device. The display device is used for connecting a plurality of signal sources, wherein each signal source comprises at least one first signal source and a plurality of second signal sources. The method comprises the steps of defining a plurality of detection rounds, a round sequence exits between the detectionrounds, and each detection round is used for detecting all the first signal sources and one or more of second signal sources. The method also comprises a signal source detection sequence which is used for detecting the signal sources and is set in each detection round. When a detection driving signal is received, a reference round is acquired from the detection rounds, a reference signal source used for detecting in the reference round is acquired, and the signal source with a signal is searched according to the signal source detection sequence in the reference round.

Description

technical field [0001] The invention relates to the application of a multi-signal source display, and in particular to a signal source detection method for the multi-signal source display. Background technique [0002] Currently, most of the displays on the market can receive input from several signal sources, such as Video Graphics Array (VGA) signal source, Digital Visual Interface (DVI) signal source, High-resolution Multimedia Interface (High- Definition MultimediaInterface, HDMI) signal source, or color difference signal (Component) signal source, etc. The more types of signal sources the monitor supports, the more versatile it can be. [0003] Generally speaking, for a multi-signal source display, it must take a long time to find a signal source with a signal among all the signal sources it supports. After the user decides to detect the signal source, the system checks each signal source one by one in a polling manner according to the priority of each signal source t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09G5/00H04N5/765
Inventor 苏镇港陈信宇林明立
Owner ACER INC