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Display video frequency electronic standard association standard adaptation device

An electronic standard and display technology, applied to static indicators, cathode ray tube indicators, instruments, etc., can solve the problems of inability to make corresponding responses, inability to identify, inability to input power levels, etc., so as to save the need to replace the display, The effect of expanding the range of use

Inactive Publication Date: 2008-03-26
NANJING LG TONGCHUANG COLOR DISPLAYS SYST CO LTD
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Problems solved by technology

Therefore, according to the specifications (Spec) of the memory (EEPROM) in the above-mentioned display components, Vcc×0.7V or more is recognized as a high-frequency (High) signal, which makes it impossible to input a signal with a power level 0.5V higher than Vcc
[0008] That is, when the Vcc of the memory constituting the conventional display 20 is +5V, 3.5V or higher is regarded as a high-frequency signal, so when a 3.3V signal is output from the video card of the above-mentioned PC 10, it cannot be recognized
[0009] In addition, when the Vcc of the above-mentioned memory (EEPROM) 21 adopts +3.3V, although the 3.3V signal output from the video card 11 can be recognized, it cannot respond accordingly when the video card signal of Vcc reaches 5V

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  • Display video frequency electronic standard association standard adaptation device

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Embodiment Construction

[0025] The video electronic standards association standard adaptation device of the present invention will be described in detail below with reference to the accompanying drawings.

[0026] FIG. 2 is a block diagram of a VESA standard compliant device employing the present invention.

[0027] According to the display video electronic standards association standard adaptation device provided by the present invention, it is composed of the following parts: a PC 100 configured with a video card 110 providing image signals to the display; level, converts it into a recognizable video signal and outputs it to the display 200.

[0028] The display 200 among the present invention is made up of following parts: detect the voltage level of the signal output from above-mentioned PC 100, and output the microcomputer 202 of corresponding control signal accordingly; According to the control signal output from above-mentioned microcomputer 202, output The power selection unit 203 of differe...

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Abstract

The standard-adaptive device comprises a PC with video card for providing image signals to a display, a display for converting the image signals into the image signals capable of being identified according to the voltage grade of the signals output from the video card and outputting the signals. The standard-adaptive device can automatically do corresponding react to adapt the request even the standard changes or the video card is upgraded. Advantage: saved changing of display and enlarged using range of use.

Description

technical field [0001] The present invention relates to a display, in particular to a display video electronics designed for a PC video card that provides image signals to the display so that the PC video card that provides image signals to the display can adapt to changes in the Video Electronics Standards Association (VESA) standard. Standards Association Standard Adapter. Background technique [0002] Currently widely used display is to perform a series of signal processing such as sampling and scaling on the image signal of a specific format transmitted from the PC video card connected to the display, and then play it on the screen. [0003] The widespread use of liquid crystal displays is a trend at present. It is a representative flat-panel display device developed by applying modern technology on the basis of small displays using cathode line tubes, in line with the current trend of large-scale display devices. , Compared with the previous CRT method, this digital li...

Claims

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Application Information

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IPC IPC(8): G09G5/00G09G3/36G06F3/147
Inventor 李种业
Owner NANJING LG TONGCHUANG COLOR DISPLAYS SYST CO LTD