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VGA interface circuit and waterproof ripple display to prevent display from water ripples

A VGA interface and display technology, applied in the field of computer displays, can solve the problems of high cost and unacceptable thick power cords, and achieve a good visual experience

Active Publication Date: 2018-11-09
深圳市巨烽显示科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the cost of replacing the thickened power cord is high, and for manufacturers, the solution to replace the thickened power cord is generally unacceptable

Method used

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  • VGA interface circuit and waterproof ripple display to prevent display from water ripples
  • VGA interface circuit and waterproof ripple display to prevent display from water ripples
  • VGA interface circuit and waterproof ripple display to prevent display from water ripples

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Embodiment Construction

[0051] Below in conjunction with accompanying drawing and embodiment, the present invention will be further described:

[0052] Such as figure 1 As shown, the waterproof ripple display 200 of the present invention includes a VGA interface circuit 201 connected to the computer graphics card 100 for preventing water ripples from appearing in the display, an analog-to-digital conversion circuit 202 connected to the VGA interface circuit 201, and an analog-to-digital conversion circuit 202 connected to the analog-to-digital conversion circuit 202. display screen 203 .

[0053] The VGA interface circuit 201 further includes a VGA interface terminal 2011, a video signal processing module 2012 connected to the VGA interface terminal 2011, a storage module 2013, and a display attribute data burning module 2014 connected to the storage module 2013.

[0054] Wherein, the video signal processing module 2012 is divided into an electrically isolated video signal input port and a video sig...

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PUM

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Abstract

The invention discloses a VGA interface circuit preventing water ripple of a display and a water ripple preventing display which comprises the VGA interface circuit, an analog digital conversion circuit and a display screen. The VGA interface circuit comprises a VGA interface terminal and a video signal processing module which is connected with the VGA interface terminal. The video signal processing module is divided into a video signal input port and a video signal output port, wherein the video signal input port and the video signal output port are electrically isolated. The video signal input port is used for receiving an analog video signal which is input by a computer graphics card through the VGA interface terminal. The analog video signal is converted into an optical signal. The optical signal is wirelessly transmitted to the video signal output port. The video signal output port is used for receiving the optical signal and restoring the optical signal into the analog video signal. The analog digital conversion circuit carries out analog digital conversion on the analog video signal and displays the signal on the display screen. The display provided by the invention has the characteristic of water ripple preventing, and can provide a good visual experience for a user.

Description

technical field [0001] The invention relates to the technical field of computer displays, more specifically, to a VGA interface circuit and a waterproof ripple display for preventing water ripples on the display. Background technique [0002] In ultrasound equipment, the power supply is integrated in the PC workstation, which is placed under the monitor. The PC workstation is connected to the monitor through the VGA signal cable and the power cable. In the actual use of ultrasonic equipment, when the grounding resistance of the power line is greater than the grounding resistance of the VGA signal line, it will form a current return channel in which the working current of the display flows back to the power ground through the VGA signal line, and the interference source of the power ground passes through The VGA signal cable interferes with the VGA signal, resulting in water ripples on the display. [0003] Although it is possible to thicken the power cord and reduce the gr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N5/765G06F1/16
Inventor 张雄徐斌钟东
Owner 深圳市巨烽显示科技有限公司