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Multimedia push-pull blackboard

A multimedia and blackboard technology, applied to reusable writing boards, printing, instruments, etc., can solve the problem of distracting viewers

Inactive Publication Date: 2018-12-04
HONG FU JIN PRECISION IND WUHAN CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Often, the electronic whiteboard is still on when using the tablet, which can easily distract the viewer

Method used

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  • Multimedia push-pull blackboard
  • Multimedia push-pull blackboard
  • Multimedia push-pull blackboard

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0022] see figure 1 and figure 2 , a multimedia push-pull blackboard 100 includes an electronic whiteboard 20 , a writing board 40 and a frame 50 . The frame body 50 includes two first frames 52 opposite to each other and two second frames 54 connected to ends of the two first frames 52 . The writing board 40 and the electronic whiteboard 20 are located between the two first frames 52 and the electronic whiteboard 20 is located behind the writing board 40 . The display screen 22 of the electronic whiteboard 20 is located on the side of the electronic whiteboard 20 close to the writing board 40. The writing board 40 is slidably placed between the two first frames 52 and can block the preset area of ​​the electronic whiteboard 20 and make the electronic whiteboard 20 The preset area is exposed. Each first frame 52 forms a first slide slot (not shown). Two opposite edges of the writing board 40 are slidably placed in the two first slide grooves, so that the writing board 40 ...

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PUM

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Abstract

A multimedia push-pull blackboard includes an electronic whiteboard, a writing board and a frame. The frame comprises two opposite first edge frames, the writing board and the electronic whiteboard are positioned between the two first frames, and the electronic whiteboard is positioned behind the writing board; a display screen of the electronic whiteboard is arranged on a side, positioned near the writing board, of the electronic whiteboard; the writing board is slidingly arranged between the two first edge frames, and a preset area of the electronic whiteboard can be blocked and exposed; theelectronic whiteboard further includes a blocking sensing unit; the display screen includes a control unit, a driving unit and a backlight unit. The blocking sensing unit senses whether the preset area of the electronic whiteboard is blocked by the writing board, the control unit sends a low-level driving signal to the driving unit when the electronic whiteboard is in an operation state and the preset area is blocked by the writing board, and the driving unit supplies low level to the backlight unit according to the low level driving signal.

Description

technical field [0001] The invention relates to a multimedia Dora blackboard. Background technique [0002] At present, multimedia push-pull blackboards usually include electronic whiteboards and writing boards. Electronic whiteboards are used for presentations, and writing pads are used for writing. When using the multimedia push-pull blackboard, sometimes you need to use an electronic whiteboard, and sometimes you need to use a writing board. Usually, when using the tablet, the electronic whiteboard is still on, which is easy to distract the viewer. Contents of the invention [0003] In view of this, it is necessary to provide a possible multimedia sliding blackboard that prevents the viewer from being distracted by watching the displayed content of the display screen. [0004] A multimedia push-pull blackboard, including an electronic whiteboard, a writing board and a frame body, the frame body includes two first frames oppositely arranged, the writing board and the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09B5/02B43L1/04
CPCB43L1/04G09B5/02
Inventor 陈永念崔红豆张丽雯
Owner HONG FU JIN PRECISION IND WUHAN CO LTD