Novel multi-screen electronic bulletin board information issuing system

Abstract

The invention discloses a novel multi-screen electronic bulletin board information issuing system which comprises an information issuing control host computer that is equipped with a multi-screen display card and a USB audio card, and an electronic bulletin board terminal which is used for displaying information. The information issuing control host computer is provided with a VGA interface or a VIDEO interface which is used for issuing a video signal or an audio signal. The interface is connected with the electronic bulletin board terminal through video or audio transmission equipment. According to the system of the invention, transmission of the video signal and the audio signal is realized through configuring the multi-screen display card and the USB audio card by the information issuing control host computer; the system interface has a VGA or VIDEO mode and is particularly provided with a double-twisted-wire comprehensive transmitter for the VIDEO interface. The multi-screen electronic bulletin board information issuing system has advantages of high video transmission quality, long transmission distance, high interference resistance, etc. Particularly, when the number of terminal equipment sets is relatively high, a performance / cost ratio has an obvious advantage.

Description

technical field [0001] The invention relates to the technical field of computer application and video transmission, in particular to a multi-screen information publishing system, a multi-screen conference notification system or a multi-screen building electronic bulletin board system and the like. Background technique [0002] The traditional multi-screen information publishing, multi-screen conference notification, and multi-screen building electronic bulletin board systems all use computer local area network technology, that is, they are realized by using servers and multiple workstations or servers and multiple graphic terminals. technically. The quantity of its terminal equipment is relatively large, so the price of the information distribution system is relatively high. In addition, the anti-interference ability of the traditional multi-screen information release system is weak, so the quality of the video signal is not high, and the transmission distance is limited. ...

AI Technical Summary

Problems solved by technology

The number of its terminal equipment is large, so the price of the information distribution system is relatively high

In addition, the anti-interference ability of the traditional multi-screen information distribution system is weak, so the quality of the video signal is not high, and the transmission distance is limited

When multiple terminal devices play different video signals, it is difficult to achieve independent stereo sound

Images