An electronic teaching board system

Abstract

The invention provides an electronic teaching board system. The electronic teaching board system comprises a front board, a wire, a controller, a rear board and an electronic pen and further comprises a light sense film, a pressure sense film, a color shift film, electric heating pieces, partition strips, light sense components, pressure sense components, a pen point, an infrared emitter and a switch. The light sense film, the pressure sense film and the color shift film are arranged between the front plate and the rear plate in sequence and partitioned into uniform small square lattices with the centers being collinear through the partition strips. The light sense components are arranged in the small square lattices of the light sense film. The pressure sense components are arranged in the small square lattices of the pressure sense film. The electric heating pieces are arranged in the small square lattices of the color shift film. The light sense components, the pressure sense components and the electric heating pieces are connected through the wire. The switch is arranged on the surface of the electronic pen. The infrared emitter is arranged at the pen point. The pure electronic sense components are adopted to serve as signal collecting devices, and high sensitivity is achieved, so that handwriting is clear, any pollution dust is not generated, the handwriting of the single area or local area can be erased conveniently, and the electronic teaching board system is used for common classroom teaching.

Description

technical field [0001] The invention relates to the technical field of teaching appliances, in particular to an electronic teaching board system. Background technique [0002] Teaching boards, such as blackboards, are basic equipment in educational facilities. The traditional blackboard uses chalk to write, which is still the mainstream, mainly because of the low cost; however, when writing on the traditional chalk blackboard, a large amount of dust will be generated, which seriously affects the health of teaching staff. [0003] However, the existing electronic teaching boards are not sensitive enough, resulting in unclear handwriting, and do not use local handwriting to erase. Contents of the invention [0004] The invention provides an electronic teaching board system, which uses pure electronic sensing elements as the signal acquisition device, which is sensitive and can make handwriting clear, and can be used repeatedly without any dust pollution. At the same time, t...

AI Technical Summary

Problems solved by technology

The traditional blackboard uses chalk to write, which is still the mainstream, mainly because of the low cost; however, when writing on the traditional chalk blackboard, it will generate a lot of dust, which seriously affects the health of teaching staff

[0003] However, the existing electronic teaching boards are not sensitive enough, resulting in unclear handwriting, and do not use partial handwriting to erase

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