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Projection system

A technology of projection system and mounting plate, applied in the field of projection system, can solve the problems of large equipment and inconvenient handling, and achieve the effect of easy operation, simple structure, and meeting projection requirements.

Inactive Publication Date: 2015-02-11
王正述
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Nowadays, there are a lot of movies shown, but in the vast rural areas, the way of showing is still using traditional screens. Due to the sparse population distribution in rural areas, and the relatively large and numerous projection equipment, it is very inconvenient to carry

Method used

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  • Projection system

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Embodiment

[0020] Such as figure 1 As shown, a projection system includes a mounting plate, on which a support frame 6 is arranged, on which a projection lens 8 and a screen 10 are arranged, and the screen 10 is arranged directly in front of the projection lens 8 . The image produced by projection lens 8 is displayed on screen 10 . Screen 10 generally adopts the square piece of cloth that cloth is made.

[0021] The support frame 6 is provided with an adjustment frame, the projection lens 8 is arranged on the adjustment frame, and a focusing knob 7 is provided between the projection lens 8 and the adjustment frame. The light of the projecting lens 8 is adjusted by the focusing button 7, so that the projecting effect is better.

[0022] A light source 3 is arranged on the mounting plate, and the light source 3 is arranged directly below the projecting lens 8 . The light source 3 provides sufficient brightness for the projection lens 8, and the transformer 5 provides power.

[0023] T...

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Abstract

The invention discloses a projection system. The projection system comprises an installation plate. The installation plate is provided with a supporting frame, the supporting frame is provided with a projection lens and a screen, and the screen is arranged right in front of the projection lens. The projection system is simple in structure and simple in principle, facilitates projection personnel's operation, moves rapidly as a whole, reduces the complexity of conventional equipment and satisfies the projection requirement of a rural region.

Description

technical field [0001] The invention relates to a projection system, which is suitable for projection of movies and videos. Background technique [0002] Film is a comprehensive art. In the course of its successful development, it has continuously absorbed the achievements and experience of various arts such as literature, drama, painting, music, dance, sculpture, architecture, and photography. Movies are the product of the development of science and technology to a certain height. A high degree of comprehensiveness and high technical requirements in production define many characteristics of film art that are different from other arts. [0003] Film is one of the youngest art, but also one of the fastest growing art. In a short period of development, it not only firmly established itself as an art, but also became, as Lenin and Stalin said, the "most important" and "most popular" of all arts. kind of art. [0004] There is light in this world, and then there is shadow. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G03B21/00G03B21/32G03B21/28
CPCG03B21/003G03B21/28G03B21/32
Inventor 王正述
Owner 王正述
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