The invention discloses a DLP big screen based heterogeneous transaction processing and information communication system The DLP big screen based heterogeneous transaction processing and information communication system comprises a heterogeneous message router control center, a control terminal, a server control service module, a matrix controller, a multi-screen controller, a working station group and a DLP big screen The server control service module comprises an intelligent control server and an application server; the application server is used for performing big data analysis on different themes and forming a summarized result for working stations to visit; the heterogeneous message router control center is used for receiving a control message of the control terminal; the control terminal is responsible for arranging the control message sent by a client and outputting the control message to the heterogeneous message router control center; the matrix controller is used for routing signals from two or more than two signal sources to the DLP big screen; the multi-screen controller is used for displaying dynamic pictures on two or more than two display terminals at the same time; and the working station group is responsible for scheduling different signal sources for the matrix controller to call

DLP big screen based heterogeneous transaction processing and information communication system

The invention relates to a display device and an interaction method of the display device. The display device comprises a main board which includes a processor and an interaction signal input interface and a signal output interface connected to the processor, the signal output interface is used for connecting an external host device, and the interaction signal input interface is used for receivingan interaction signal and transmitting the interaction signal to the processor. The interaction signal includes a control interaction signal corresponding to an interaction operation of the host device by a user. The processor is used for receiving an interaction signal sent by the interaction signal input interface, determining a current controlled device from the host device and sending the control interaction signal to the currently controlled host device through the signal output interface connected to the currently controlled host device. In this way, the interaction with the external host device can be realized through the display device, and the interaction between the user and the host device can be realized without replacing an interaction device using the host device, which is simple and convenient.

Display device and interaction method of display device

The utility model provides a screen display signal source switching system and relates to a display signal source switching system The screen display signal source switching system solves the problem that the switching efficiency of the existing screen display signal source switching method is low A laser pen is used for emitting a laser signal to a display screen; an industrial camera is used for collecting the laser signal on the display screen; a camera signal output end of the industrial camera is connected with a camera signal input end of a main control computer; a main control signal output end of the main control computer is connected with a main control signal input end of a display signal matrix switching device; a display signal output end of the display signal matrix switching device is connected with a display signal input end of the display screen; and a main engine signal input or output end of N display signal source main engines is connected with a main engine signal output or input end of the display signal matrix switching device The screen display signal source switching system is applicable to operation and demonstration fields The screen display signal source switching system is applicable to screen display signal source switching of a monitoring center or a commanding center

Screen display signal source switching system

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Screen display signal source switching system