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Receiving switching mechanism, TV set containing the same

A technology for receiving devices and televisions, which is applied to televisions, color televisions, and parts of color televisions, etc., which can solve problems such as increased costs, risks in the stability of television equipment systems, and the increase in electrical components, and achieve the effect of system stability

Active Publication Date: 2011-06-15
HISENSE VISUAL TECH CO LTD
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Problems solved by technology

However, this technical solution can only solve the expansion of the HDMI multi-channel interface, and it is realized through the circuit structure. Due to the increase of electrical components, it brings a great risk to the system stability of the entire TV equipment and increases the production cost. cost

Method used

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  • Receiving switching mechanism, TV set containing the same
  • Receiving switching mechanism, TV set containing the same
  • Receiving switching mechanism, TV set containing the same

Examples

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specific Embodiment approach

[0079] Such as Figure 5shown. After the system starts, the register device 4 imports the EDID from the external EDID device from 0x00 to 0xFF to the register device, and the software automatically sets HPDx to LOW. Then conduct a self-test to check whether the download task of EDID is completed. If the download task is not completed, the register device 4 re-imports the EDID from 0x00 to 0xFF from the external EDID device to the register device, and automatically sets HPDx to LOW. After the download task is completed, the system allows the HPD_SINK device or the HPD_SET device to control the HPDx. The method of controlling HPDx is as follows: After the system starts, set the register EDIDBUFFCTL[7:0]=0x01, which is used to set the CEC physical address area of ​​S / W. The specific program that can be set is: WriteReg (Page0.0x10, 0x01).

[0080] Then import the EDID into the switch switching device 5 for Porta. Can be written sequentially from 0x00 to 0xFF.

[0081] Then ...

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Abstract

The invention discloses a receiving switching device, a television comprising the receiving switching device and a television receiving switching method, the technical solution is: the receiving switching device, including: a receiving device for receiving digital signals transmitted from the signal source; a storage device for storing pre-edited expansion display identified data; a switching device calls the expansion display identified data from the storage device according to the digital signal received by the receiving device, which performs address assignment to the received digital signal and outputs expansion display identified data as well as digital signals according to the receiving device.

Description

technical field [0001] The invention relates to a receiving switching device, a TV set and a TV interface including the receiving switching device [0002] Receive switching method. Background technique [0003] The standard competition for high-definition digital interfaces is intensifying. The aging DVI (Digital Visual Interface Interface), the vigorous HDMI (High-Definition Multimedia Interface) and the promising DisplayPort (Next Generation Display Interface) have become the protagonists of this competition. With the development of full high-definition technology, the HDMI interface gradually occupies a favorable position in the market. According to In-Stat data, DVI equipment shipments in 2007 were 112 million units, and by 2011, this figure will drop rapidly to 3 million units. In contrast, HDMI devices dominated with 143 million shipments worldwide last year. From a technical point of view, DVI can only transmit video signals, while audio must be processed separate...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N5/765H04N5/775
Inventor 张晓峰张智华
Owner HISENSE VISUAL TECH CO LTD
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