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Portable video display bench for teaching

A video display stand, portable technology, applied in the field of video display stand, can solve the problems of inconvenient operation, complex structure, easy sagging or upturning of the horizontal support rod, etc., and achieve good imaging effect and convenient use

Inactive Publication Date: 2016-02-03
SICHUAN DONGSHAN TEACHING AID
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing video display stand is inconvenient to operate, the horizontal strut part of the machine head tends to sag or rise, and the structure is still relatively complicated

Method used

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  • Portable video display bench for teaching

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Embodiment Construction

[0014] All features disclosed in this specification, or steps in all methods or processes disclosed, may be combined in any manner, except for mutually exclusive features and / or steps.

[0015] Such as figure 1 Shown: a portable video display stand for teaching in this embodiment, including a base 1 with a backlight 2, a console 3 with a built-in rechargeable power supply is provided on the base 1, and a front panel is provided on the console 3 and the rear panel, the front panel is provided with a power button 10 and at least one function key 11 (for control operations, such as the work of the CCD lens 6), and the two sides of the front panel are also provided with USB ports 9; The power interface for charging; the desk lamp neck 4 capable of twisting and bending is fixed on the console 3, and the desk lamp neck 4 fixes the machine head 5 through a bracket 8. In the use state, the CCD lens 6 at the end of the machine head 5 faces the backlight plate 2, and the CCD The lens 6...

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Abstract

The invention discloses a portable video display bench for teaching. The bench comprises a base with a backlight plate. A control bench with a built-in rechargeable power supply is disposed on the base. A desk light neck which can be twisted and bent is fixed on the control bench. A machine head is fixed with the desk light neck through a support. A CCD lens is arranged on an end of the machine head. Light supplement lamps with desk light necks are arranged on two sides of the control bench. The bench uses the desk light necks to replace complex mechanical structures for stretching and retracting, so that the bench is simpler than other similar products in structure. Besides, the bench is provided with the built-in rechargeable power supply, so that no long connection line is needed during teaching, and thereby usage in teaching is greatly facilitated.

Description

technical field [0001] The invention belongs to the technical field of teaching equipment, in particular to a video display stand. Background technique [0002] Common scanners currently on the market are generally CCDChargeCoupledDevice and photoelectric coupled sensor scanners according to the different photoelectric conversion elements. It focuses on the CCD through the lens, converts the light signal into an electrical signal image, and the latter is close to the surface of the scanned manuscript for contact scanning. The CCD scanner focuses on the CCD through the lens and directly senses the light, which can be very convenient for physical scanning. The photosensitive device CCD in the scanner is a relatively mature technology. Its cost is relatively low, but the imaging quality is getting higher and higher. The CCD using silicon single crystal technology has lower requirements on the ambient temperature and has a wider range of adaptation. With the development of te...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09B5/02
CPCG09B5/02
Inventor 秦殿平
Owner SICHUAN DONGSHAN TEACHING AID
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