From the function, we can define the physical exhibition platform: the physical exhibition platform is a demonstration device that converts physical objects, manuscripts, pictures, crafts and other information into image signals through CCD cameras and displays them on display devices based on photoelectric conversion technology, such as projectors and monitors.
An ordinary physical display platform includes camera, light source and desktop, and there are a series of interfaces on the back of the display platform. Some high-end market-oriented exhibition platforms also include infrared remote controllers, computer image acquisition adapters, liquid crystal displays and other accessories.
Extended data
The physical display platform can be used in the teaching of various disciplines: liberal arts can put all kinds of teaching materials and books directly on the desktop, which can be clearly displayed through the application of lighting and the adjustment of amplification function; Chemistry and physics subjects can be tested directly on the display platform for each student to observe clearly; Biology and medicine can observe the magnified images of objects through the cooperation of lenses (microscopes, etc.). ) On the display stage.
The physical display platform is used in conjunction with multimedia projectors, large-screen rear projection televisions, ordinary televisions, liquid crystal displays, video recorders, VCDs, DVD players, microphones and other output and input devices. Video display platform is widely used in information technology teaching.
Baidu Encyclopedia-Presentation Platform (Entity Presentation Platform)