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led display system

A technology of LED display screen and display system, which is applied in the transmission system, data exchange through path configuration, electrical components, etc., can solve the problems of reduced bandwidth utilization efficiency, low communication rate, and unsuitable for large-scale data transmission, etc., to achieve Eliminate the limitation of quantity, control the response in time, and improve the effect of communication speed

Active Publication Date: 2018-11-30
XIAN NOVASTAR TECH
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Problems solved by technology

However, the disadvantage of this architecture is that the communication rate is low, which is not suitable for large-scale data transmission; and the bus-type cascaded structure does not use the cascading of multiple terminal devices, and the access to the last-level terminal device requires the participation of all terminal devices For data packet forwarding, the overall bandwidth utilization efficiency will gradually decrease with the increase in the number of cascaded terminal devices, and the user experience will be poor; in addition, the connecting cables that support this kind of bus-type cascading structure often do not support long-distance transmission, and the on-site erection is not enough convenient

Method used

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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] The embodiment of the present invention proposes a device star connection access control scheme based on a network or USB architecture. The scheme is based on a network HUB type connection device or a USB HUB type connection device for hardware connection. The system includes a host computer installed with host computer software such as PC, HUB type connection equipment, terminal equipment and LED display screen connected to the terminal equipment, the host computer software completes the enumeration of all terminal equipment through the HUB type connection equipment, each terminal equipment and the host computer software perform point-to-point communication , this kind of star connection scheme eliminates the limitation on the n...

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Abstract

The invention relates to an LED display system which comprises the components of an upper computer, a HUB kind connecting device, a plurality of terminal devices, and an LED display screen which is connected with the plurality of terminal devices. The upper computer is connected with the HUB kind connecting device through a network or a USB data cable. The plurality of terminal devices are connected with the HUB kind connecting device through the network or USB data cables. The LED display system with a terminal device star-shaped connected access control architecture based on the network or USB data cables according to the invention can support remote accessing. Upper computer software realizes timely control response for each terminal device, and therefore good user experience is obtained. Communication speed can be improved, and the LED display system is suitable for batch data transmission. Furthermore the upper computer communicates with the terminal devices in a point-to-point communication manner, thereby preventing restriction to the number of terminal devices by a bus type cascade structure.

Description

technical field [0001] The invention relates to the technical field of LED display control, in particular to an LED display system. Background technique [0002] At present, in the field of LED display control, the access control scheme design of terminal equipment is mainly based on the bus type cascade structure. figure 1 It is a schematic diagram of the hardware architecture of a terminal device access control scheme using a bus-type cascade structure. From figure 1 It can be seen that the entire system architecture is composed of the host computer and the terminal device with the host computer software installed. The host computer is only physically connected to the first terminal device (terminal device 1) in the cascade. The host computer first enumerates and communicates with the host computer. The first device that is physically connected, then all devices in the cascade are sequenced and accessed through the first device. Among them, there are many buses that sup...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/44H04L29/08
CPCH04L12/44H04L67/025H04L67/104
Inventor 王伙荣王红宾
Owner XIAN NOVASTAR TECH
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