95results about How to "Real-time data transmission" patented technology

The invention provides an intelligent electronic whiteboard and blackboard teaching system. The intelligent electronic whiteboard and blackboard teaching system comprises a teaching electronic whiteboard and blackboard, a computer or a teaching machine comprising the computer, and a multifunctional electronic board eraser, wherein the teaching electronic whiteboard and blackboard comprises a panel, four edge frames and four turning corners; the panel is rectangular; the color of the panel is pure and is white, cream yellow, grey, light green, green or black; the panel is made of a thin steel plate with an enamel surface or a pre-sprayed surface; the panel is divided into two parts including a projection display region and a writing region; the four edge frames are mounted at the upper side, the lower side, the left side and the right side of the panel respectively; the four turning corners are mounted at four corners of the panel respectively; the four turning corners are used for fixedly connecting the four edge frames and the panel; physical sensors are mounted at the four turning corners; positioning and data acquisition devices are mounted in the four edge frames. The intelligent electronic whiteboard and blackboard teaching system has the advantages of paying attention to protect eyesight of students and preventing a teachers and the students from being injured by crushing and bruised; a product has no potential safety hazards.