Supercharge Your Innovation With Domain-Expert AI Agents!

Multimedia teaching device

A technology of multimedia teaching and installation slots, applied in projection devices, optics, printing, etc., can solve the problems of inconvenient and unfavorable curtain storage and storage, and achieve the effect of convenient use, convenient hidden storage and storage

Pending Publication Date: 2021-07-09
NANJING VOCATIONAL UNIV OF IND TECH
View PDF0 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional method is that the teacher temporarily hangs the white curtain on the blackboard when in use, and then removes the curtain when not in use. This method is not only extremely inconvenient to use, but also not conducive to the storage and storage of the curtain

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Multimedia teaching device
  • Multimedia teaching device
  • Multimedia teaching device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0027] In order to make the above objects, features and advantages of the present invention more comprehensible, specific implementations of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0028] Secondly, the present invention is described in detail in conjunction with schematic diagrams. When describing the implementation of the present invention in detail, for the convenience of explanation, the cross-sectional view showing the device structure will not be partially enlarged according to the general scale, and the schematic diagram is only an example, and it should not be limited here. The protection scope of the present invention. In addition, the three-dimensional space dimensions of length, width and depth should be included in actual production.

[0029] In order to make the purpose, technical solution and advantages of the present invention clearer, the following will further describe the implementation of the pr...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses a multimedia teaching device which comprises a frame, a writing board, a rotating assembly and a projection curtain, the frame is embedded in a wall, the outer side wall of the frame is provided with a writing board mounting groove, the interior of the frame is provided with a hollow cavity, the outlet end of the hollow cavity is located above the writing board mounting groove, and the writing board is mounted in the writing board mounting groove. The rotating assembly comprises a rotating shaft which is inserted into the hollow cavity from the outer side edge of the frame and a knob which is connected with the end portion of the rotating shaft located on the outer side of the frame, a screw capable of spirally extending into the side wall of the frame is arranged on the knob, and the projection curtain is arranged on the outer wall of the rotating shaft in a winding mode. The head end of the projection curtain penetrates out of the interior of the outlet end, the head end of the projection curtain is provided with a baffle, when the projection curtain is completely contained in the hollow cavity, the baffle seals the outlet end, and the multimedia teaching device is convenient to use and facilitates containing and storage of the curtain.

Description

technical field [0001] The invention relates to the technical field of teaching equipment, in particular to a multimedia teaching device. Background technique [0002] In order to protect students' eyesight, the blackboard in ordinary classrooms is green, which is suitable for teachers to write with chalk and protect students' eyesight. The projector is a necessary equipment for auxiliary teaching. The projector can enhance students' learning interest, render the learning atmosphere, improve learning enthusiasm and The role of broadening students' horizons. [0003] For the convenience of students to watch, the projection area is generally set in the middle of the blackboard, but the imaging effect of the projector on the green blackboard is extremely poor, so it must be projected on a white screen. The traditional method is that the teacher temporarily hangs the white curtain on the blackboard when in use, and then removes the curtain when not in use. This method is not on...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): G03B21/58B43L1/00
CPCB43L1/00G03B21/58
Inventor 苗威野张晓阳
Owner NANJING VOCATIONAL UNIV OF IND TECH
Features
  • R&D
  • Intellectual Property
  • Life Sciences
  • Materials
  • Tech Scout
Why Patsnap Eureka
  • Unparalleled Data Quality
  • Higher Quality Content
  • 60% Fewer Hallucinations
Social media
Patsnap Eureka Blog
Learn More

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2025 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com