Teaching appliance capable of performing multi-degree-of-freedom adjustment on board frame
Patent Information
- Authority / Receiving Office
- CN ยท China
- Current Assignee / Owner
- HUIZHOU UNIV
- Publication Date
- 2021-02-19
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Abstract
Description
technical field
[0001] The invention relates to the field of teaching appliances, in particular to a teaching appliance capable of multi-degree-of-freedom adjustment of a board frame. Background technique
[0002] In the traditional teaching mode, teaching tools for writing are indispensable. Traditional writing utensils are often fixed on the wall, such as a traditional classroom blackboard. During use, such writing utensils are often affected by environmental factors, such as the writing panel is reflected by light, the writing panel is too inclined relative to the user's viewing angle due to space constraints, and the like. These phenomena will hinder the normal use of users and affect the teaching effect. Therefore, how to design a teaching tool capable of multi-degree-of-freedom adjustment to the board frame, weaken the impact of the teaching tool from environmental factors, and achieve a better teaching effect is a technical problem that technicians in this field nee...