Unlock instant, AI-driven research and patent intelligence for your innovation.

Anti-interference digital serial port circuit and reception card for LED display driving

A digital circuit and receiving card technology, applied in static indicators, instruments, etc., can solve problems such as cost pressure, time-consuming, isolation, etc., to eliminate errors and improve stability.

Active Publication Date: 2016-07-13
XIAN NOVASTAR TECH
View PDF8 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, these methods increase the material, which on the one hand brings pressure on cost, and on the other hand, in some occasions, more ground wires cannot be used for isolation. The most important thing is that these methods cannot solve the fundamental problem, and the increased capacitance will cause The rate of the serial port cannot be increased, and it is very time-consuming when transmitting a large amount of correction data, which affects customer use and customer experience

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Anti-interference digital serial port circuit and reception card for LED display driving
  • Anti-interference digital serial port circuit and reception card for LED display driving
  • Anti-interference digital serial port circuit and reception card for LED display driving

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0019] In order to make the above objects, features and advantages of the present invention more comprehensible, specific implementations of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0020] In order to solve the serial port interference problem of the intelligent module on the LED screen, the embodiment of the present invention designs a serial port anti-interference digital circuit, which can eliminate most of the errors caused by interference. When it is applied to the receiving card, it can Improve the stability of the serial communication between the receiving card and the LED light board.

[0021] see figure 1 , A serial anti-jamming digital circuit proposed in this embodiment includes: comparator 1, comparator 2, adder 1, adder 2, selector 1, selector 2, selector 3, register 1 and register 2.

[0022] Wherein, the first input terminal of the comparator 1 receives a first threshold such as 0, and the second i...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention relates to an anti-interference digital serial port circuit and a reception card for LED display driving and with the anti-interference digital serial port circuit. The anti-interference digital serial port circuit comprises two comparators, two adders, three selectors and two dwell vessels. The digital circuit is obtained via arrangement of the devices as well as design for connection relation of the devices, the digital circuit can eliminate errors caused by most interference in the serial port communication process; when the circuit is applied to the reception card, the stability of serial port communication between the reception card and an LED lamp panel can be improved.

Description

technical field [0001] The invention relates to the technical field of data communication control, in particular to a serial port anti-jamming digital circuit and a receiving card for LED display driving using the serial port anti-jamming digital circuit. Background technique [0002] With the development of LED display screens, people have higher and higher requirements for LED screens, LED screens are becoming more and more complex, and there are more and more uncertain factors on the screen body, such as fluctuations in power supply voltage, aging of cables, temperature The influence of humidity etc. The concept of the smart module currently emerging is proposed to deal with this problem. On the one hand, the smart module can store the calibration data in the storage space of the LED light board, making the maintenance of the screen easier. After replacing the LED light board It is no longer necessary to re-calibrate the screen, but directly read the corresponding calibr...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): G09G3/32
CPCG09G3/32
Inventor 王伙荣刘德福
Owner XIAN NOVASTAR TECH