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Blackboard provided with broadcasting device

A blackboard and audio technology, applied in the blackboard field, can solve problems such as students' boredom, achieve the effect of clear lectures and relieve students' fatigue

Inactive Publication Date: 2016-04-27
BAOKANG COUNTY EXPERIMENTAL HIGH SCHOOL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Now when teachers give lectures, they speak directly orally in class, but when there are too many students and the environment is not quiet, it is difficult for all students to listen carefully to the whole content in oral lectures alone. At the same time, in many self-study and free In the activity stage, students will feel boring because there is no sound

Method used

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  • Blackboard provided with broadcasting device

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Effect test

Embodiment Construction

[0008] figure 1 Shown: blackboard body 1 top two sides corners are respectively equipped with a sound horn 2, and the lower side corner coordinates have the speech and music playing jack 3 that communicates with sound horn 2.

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Abstract

The invention provides a blackboard provided with a broadcasting device. Two loudspeakers are installed at the two side corners of the upper portion of a blackboard body respectively. Voice and music playing jacks which are communicated with the loudspeakers are formed in the side corners of the lower portion of the blackboard body in a matched mode. When the blackboard provided with the broadcasting device is in use, the teaching content of a teacher can be played in a sound amplifying mode through the playing jacks, and thus students can easily take lessons more clearly; meanwhile, music can also be played at the proper time for relieving the fatigue of the students.

Description

technical field [0001] The invention relates to a blackboard, in particular to a blackboard provided with a broadcasting device. Background technique [0002] Now when teachers give lectures, they speak directly orally in class, but when there are too many students and the environment is not quiet, it is difficult for all students to listen carefully to the whole content in oral lectures alone. At the same time, in many self-study and free During the activity stage, students will feel boring because there is no sound. Contents of the invention [0003] The invention provides a blackboard equipped with a broadcasting device, which can make the teacher's teaching content heard more clearly by broadcasting. [0004] The present invention includes a blackboard body, and the adopted technical solution is that: an audio speaker is installed on both sides above the blackboard body, and a voice and music playback jack communicated with the audio speaker is provided in the lower c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B43L1/04
Inventor 胡婷婷
Owner BAOKANG COUNTY EXPERIMENTAL HIGH SCHOOL
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